Using the exponential Decay relation, the value of the car after 6 years will be :$17657.740
Using the exponential decline relation :
A(1 - r)^tA = initial value ; r = Rate ; t = timeFinal value of car after 6 years :
Final value = 45200(1 - 0.145)^6
Final value = 45200(0.855)^6
Final value = 45200(0.390657969445640625)
Final value = 17657.740
Therefore, the final value of the car after six years is $17657.740
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help meeeeee pwease
Which of the expressions is rational?
√25 +2
√64 +√45
√7-2
Answer:
√25 + 2
Step-by-step explanation:
Only the first expression, √25 + 2, is rational. To be rational, an expression must be able to be written as the ratio of two integers. In this case, we can rewrite the expression as 5 + 2, which is equal to 7, which is a ratio of 7/1.
Jake eat 4 grapes he had less than 25 grapes to start with after eating 4 grapes how many grapes does James have left
one step inequality word problems
Answer:
x < 21
Step-by-step explanation:
Let x = the number of grapes James has left
x + 4 < 25
x < 21
What is the reminder when (x^4+36 ) is divided by (x^2-8)
Answer: 35
Step-by-step explanation:
The following refers to a purchase of a machine by a company on January 1, 2016
Salvage Value: $7,500
Life: 6 years
Desired Rate of Return 4%
Interest Compounded: semi-annually
The maximum amount the company can pay is $32,348
What is the semi-annual net cash flow the company must achieve in order for the purchase to be made?
The semi-annual net cash flow the company must achieve in order for the purchase to be made is $2500.
How to calculate the cash flow?Number of period = 6 × 2 = 12
Rate = 4% / 2 = 2%
Annual cash flow × PVIFA × (2% × 12) + $7500 × PVIF(2%,12) - $32348 = 0
Annual cash flow × 10.5753 = $32348 - $7500 × 0.7885
Annual cash flow × 10.5753 = $32348 - $5914
Annual cash flow × 10.5753 = $26434
Annual cash flow = 26434/10.5753
Annual cash flow = $2500
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ALGEBRA please put a very small explanation to the awnser
Certainly! The problem can be solved using the Pythagorean theorem,
which states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
In this case, the ladder acts as the hypotenuse, and we need to find the length of the vertical side (height) it reaches up the wall.
The ladder forms the hypotenuse, and its length is given as 12 meters. The distance from the foot of the ladder to the base of the wall represents one side of the triangle, which is 4.5 meters.
By substituting the given values into the Pythagorean theorem equation: (12m)^2 = h^2 + (4.5m)^2, we can solve for the unknown height 'h'.
Squaring 12m gives us 144m^2, and squaring 4.5m yields 20.25m^2. By subtracting 20.25m^2 from both sides of the equation, we isolate 'h^2'.
We then take the square root of both sides to find 'h'. The square root of 123.75m^2 is approximately 11.12m.
Therefore, the ladder reaches a height of approximately 11.12 meters up the wall.
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A bag contains 10 green,8 blue, and 2 white balls. Naomi seclets 2 balls from the bag at random, one at a time, without replacing them. What is the probability that she selects all two white balls?
E.) 2/95
F.) 1/95
G.) 1/190
H.) 1/380
To find the probability that Naomi selects both white balls, we need to consider the total number of possible outcomes and the number of favorable outcomes.
Total number of outcomes:
Naomi selects 2 balls without replacement, so the total number of outcomes is the number of ways she can choose 2 balls out of the total number of balls in the bag. This can be calculated using combinations:
Total outcomes = C(20, 2) = (20!)/(2!(20-2)!) = (20 * 19)/(2 * 1) = 190
Number of favorable outcomes:
Naomi needs to select 2 white balls. There are 2 white balls in the bag, so the number of favorable outcomes is the number of ways she can choose 2 white balls out of the 2 white balls in the bag:
Favorable outcomes = C(2, 2) = 1
Probability = Favorable outcomes / Total outcomes = 1/190
Therefore, the correct answer is (G) 1/190.
Marisa was tracking the diving speed of a bird. The average speed was 108 miles per hour. That means in one hour, the bird would travel 108 miles at that speed. However, these dives last far less than an hour, so Marisa needs to convert this to feet per second
By a change of units, we will get that 108 mi/h = 158.4 ft/s
Here we want to transform 108 mi/h to feet per second.
Then we will use two relations:
1 mi = 5,280 ft1 h = 3,600 sThen we can just transform as:
108mi/h = (108*5,280 ft)/h = 570,240 ft/h
570,240 ft/h = 570,240 ft/(3,600 s) = 158.4 ft/s
So we have:
108 mi/h = 158.4 ft/s
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Complete the square. Please help ASAP
\(x^2 + 4x + (\frac{4}{2})^2 = x^2 + 4x + 4\)
Answer is 4
is the ratio of chocolate to ice cream comes in a book is 5:8 and the number of chocolate is 30 find the number of ice cream cones
Answer:
48
Step-by-step explanation:
A popular Dilbert cartoon strip (popular among statisticians, anyway) shows an allegedly “random” number generator produces the sequence 999999 with the accompanying comment, “That’s the problem with randomness: you can never be sure.” Most people would agree that 999999 seems less “random” than, say, 703928, but in what sense is that true? Imagine we randomly generate a six-digit number, i.e., we make six draws with replacement from the digits 0 through 9. (a) What is the probability of generating 999999?
(b) What is the probability of generating 703928?
(c) What is the probability of generating a sequence of six identical digits?
(d) What is the probability of generating a sequence with no identical digits? (Comparing the answers to (c) and (d) gives some sense of why some sequences feel intuitively more random than others
.)
(e) Here's a real challenge: what is the probability of generating a sequence with exactly one repeated digit?
(a) the probability of generating 999999 is \((1/10)^6\)
(b) the probability of generating 703928 is \((1/10)^6\)
(c) the probability of generating a sequence of six identical digits is \((1/10)^6\)
(d) the probability of generating a sequence with no identical digits is 15,120/1,000,000.
(e) the probability of generating a sequence with exactly one repeated digit is\(10 * 6 * (9^4).\)
What is probability?Probability is described as the ratio of the number of favorable outcomes to the total number of outcomes of an event.
The probability of generating a sequence with no identical digits is calculated as (10/10) * (9/10) * (8/10) * (7/10) * (6/10) * (5/10) = 15,120/1,000,000.
We start by choosing the digit to be repeated, which can be done in 10 ways and the next thing is to choose the position of the repeated digit, and can be done in 6 ways.
We then see that remaining four positions can be filled out with any of the other 9 digits and this can also be done in \(9^4\) ways.
So we can conclude that the number of possibilities in this case is \(10 * 6 * 9^4.\)
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Please help ASAP
April runs at a rate of 25 feet per second for 11 seconds. Determine how far she
traveled and select the appropriate units to describe it.
She traveled ___________
Isaac drove on the interstate for 3 hours and traveled a total of 165 miles.
Determine his rate of travel and select the appropriate units to describe it.
He traveled ___________
Answer:
1. distance = 275 ft
2. rate = 55 miles/hour
Step-by-step explanation:
April travels at the rate of 25 ft per seconds and the time she spent traveling is 11 seconds. How far she traveled is the distance she covered. The rate or the speed unit is given as ft per seconds. Therefore, the distance covered can be expressed as follows.
rate = distance/time
where
rate = 25 ft/sec
time = 11 secs
rate = distance/time
25 = distance/11
cross multiply
distance = 25 × 11
distance = 275 ft
Isaac drove for 3 hours and he covered a distance of 165 miles. The rate of travel can be expressed as follows
rate = distance/time
distance = 165 miles
time = 3 hours
rate = 165/3
rate = 55 miles/hour
The vector ⇀
= ⟨2, 3⟩ is multiplied by the scalar –4. Which statements about the components, magnitude, and direction of the scalar product –4⇀
are true? Select all that apply.
A. The component form of −4⇀
is ⟨–8, –12⟩.
B. The magnitude of −4⇀
is 4 times the magnitude of ⇀
.
C. The direction of −4⇀
is the same as the direction of ⇀
.
D. The vector −4⇀
is in the fourth quadrant.
E. The direction of −4⇀
is 180° greater than the inverse tangent of its components.
Answer:
Therefore, the correct statements are A, B, and E.
Explanation:
Based on my knowledge, a vector is a quantity that has both magnitude and direction. A scalar is a quantity that has only magnitude. When a vector is multiplied by a scalar, the magnitude of the vector is multiplied by the absolute value of the scalar, and the direction of the vector is either preserved or reversed depending on the sign of the scalar.
To answer your question, we need to find the component form, magnitude, and direction of the scalar product –4⇀
.
- The component form of −4⇀
is obtained by multiplying each component of ⇀
by –4. Therefore, −4⇀
= ⟨–8, –12⟩. This means that statement A is true.
- The magnitude of −4⇀
is obtained by multiplying the magnitude of ⇀
by 4. The magnitude of ⇀
is √(2^2 + 3^2) = √13. Therefore, the magnitude of −4⇀
is 4√13. This means that statement B is true.
- The direction of −4⇀
is opposite to the direction of ⇀
because the scalar –4 is negative. This means that statement C is false.
- The vector −4⇀
is in the third quadrant because its components are both negative. This means that statement D is false.
- The direction of −4⇀
is 180° greater than the inverse tangent of its components because it is opposite to ⇀
. The inverse tangent of its components is tan^(-1)(–12/–8) = tan^(-1)(3/2). Therefore, the direction of −4⇀
is 180° + tan^(-1)(3/2). This means that statement E is true.
Therefore, the correct statements are A, B, and E.
The sum of the measures of two complementary angles is 90°. If one angle measures 27° more than twice the measure of the other, find the measure of the smaller angle.
The smaller angle measures ____ Degrees
Answer:
21°
Step-by-step explanation:
Let smaller angle be x
Bigger angle = 2x + 27
Since they are complementary they all sum up to 90°
Therefore 2x + 27 + x = 90
3x = 90 - 27
3x = 63
x = 21, therefore the smaller angle is 21°
A number with no variable attached is called a what
Answer:
constants
Step-by-step explanation:
That is, they're the terms without variables. We call them constants because their value never changes, since there are no variables in the term that can change its value.
The term or number with no variable attached is called a constant as in the polynomial or expression.
What is an expression?It is defined as the combination of constants and variables with mathematical operators.
It is given that:
A number consists of the expression with no variable.
As we know, the expression is a combination of numbers, variables, and operators.
If we take an example of the polynomial.
Polynomial is the combination of variables and constants systematically with "n" number of power in ascending or descending order.
\(\rm p(x) = a_0+a_1x+a_2x^2+a_3x^3+a_4x^4..........a_nx^n\)
Here a₀ is a constant because the term a₀ has no variables.
Thus, the term or number with no variable attached is called a constant as in the polynomial or expression and the constant value does not change.
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What is the sequence of Transformations that map's triangle ABC to Triangle a prime B Prime C Prime? Select from the drop-down menus to correctly identify each step
Answer:
dilation and rotation
Step-by-step explanation:
Solve the equation v=-3x+s for the variable w
The equation has no solution for the variable w
How to solve the equation for w?The equation is given as
v = -3x + s
In the above equation, there is no occurrence of the variable w
This means that it is not possible to solve the equation for w
Hence, the equation has no solution for the variable w
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PLEASE HELP!! THIS IS DUE TODAY!
Estimate the quotient.
3,411 divided by 53
The estimate is: ___
The quotient of the given expression is 68.
What is the quotient?
A quotient in mathematics is the amount created by dividing two numbers. The term "quotient" is used frequently in mathematics and is sometimes known as the integer portion of a division, a fraction, or a ratio.
For the given problem,
To find out the estimation of the quotient, we first round the dividend and the divisor to the closest tens, hundreds, or thousands, and then divide the rounded figures to approximate the quotient.
Given, 3411 divided by 53
So, the rounding value becomes 3400 divided by 50,
then, 3400/50 = 68
Hence, the quotient is 68.
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Find the value of the variable.
36
16
1
28
9 =
Answer:
28
Step-by-step explanation:
I guess bicause that is te variable.
hint: find a subsequence {xni yni } of {xn yn} that converges to the liminf, then find a subsequence {xnmi } of {xni } that converges, then apply what you know about limits . . .
Therefore, a)= (x^ n+ y^ n) is bounded.
b) limn→ ∞ I n f (x^ n+ y^ n) ≥ limn→ ∞ I n f(x ^ n)+ limn→ ∞ I n f(y^ n)
Step-by-step explanation:
a) Let (x^ n) and (Y^ n) be bounded sequences, so
∃M>0 such that |x^ n|≤ M ∀n ∈ N
∃M>0 such that |Y^ n|≤ M ∀n ∈ N
Consider
|x^ n| ≤ |x^ n|+|Y^ n|
≤M +M'
=P (Take p=M+M'>0)
Thus, |x^ n + y^ n|≤p, ∀n ∈ N.
Therefore, (x^ n+ y^ n) is bounded.
b) Let (x) be a bounded sequence so ( x^ n) is bounded below by k.
Then for each n ∈ N, the set x^ n=(x^ n,x^n+1,....) is bounded below by k.
By completeness axion X^ n has infimum m^ n and the sequence (m^ n) being a increasing sequence is either convergent or divergent to ∞
If(m^ n) is convergent then limn→ ∞m^ n is called the limit infimum of (x^ n).
Thus, limn→ ∞I n f( x^ n)=limn→ ∞ I n f (x^ n,x^n+1,...)
∴
Similarly, m'^ n=I n f (y^ n, y^ n+1...)
Consider
I n f (x^ n+ y^ n, x^n+1 +y^n+1..) ≥ I n f (x^ n, x^ n+1...)+I n f ( y^ n, y^ n+1..)
I n f(x^ n+ y^ n, x^n+1 +y^n+1...) ≥ m^ n+ m'^ n
We have
= limn→ ∞ I n f (x^ n+ y^ n)= limn→ ∞ ( x^ n +y^ n, x^n+1 +y^n+1...)
=≥ limn→ ∞(m^ n+ m')
= limn→ ∞m^ n+ limn→ ∞m'^ n
= limn→ ∞ I n f (x^ n) + limn→ ∞ I n f (y^ n)
∴Therefore
limn→ ∞ I n f (x^ n+ y^ n) ≥ limn→ ∞ I n f(x ^ n)+ limn→ ∞ I n f(y^ n)
INCOMPLETE QUESTION:
Let {xn} and {yn} be bounded sequences. a) Show that {xn +yn} is bounded. b) Show that (lim n→∞inf xn) + (lim n→∞ inf yn) ≤ lim n→∞inf (xn +yn). Hint: Find a subsequence {xni + yni } of {xn + yn} that converges. Then find a subsequence {xnmi } of {xni } that converges. Then apply what you know about limits. c) Find an explicit {xn} and {yn} such that (lim n→∞ inf xn) + (lim n→∞infyn) < lim n→∞ inf (xn +yn). Let {xn} and {yn} be bounded sequences (from the previous exercise we know that {xn +yn} is bounded). a) Show that (lim sup n→∞ xn) + (lim sup n→∞ yn) ≥ lim sup n→∞ (xn +yn). Hint: See previous exercise. b) Find an explicit {x n} and {yn} such that (lim sup n→∞ xn) + (lim sup n→∞ yn) > lim sup n→∞ (x n +yn).
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Which statements are true regarding the expression below? Choose three answers. 8 ^-1. 8 ^-3. 8
The statements that are true regarding the expression with the exponents -1, -3, and 1 are;
An equivalent expression is 8⁷·8⁻¹⁰The sum of the exponent is -3The value of the expression is 1/512What is an exponent?An exponent is a quantity or power to which a value, expression or number is to be raised.
The specified expression can be presented as follows;
8⁻¹ × 8⁻³ × 8
Therefore; 8⁻¹ × 8⁻³ × 8 = 8⁽⁻¹ ⁺ ⁻³ ⁺ ¹⁾ = 8⁻³ = 1/8³
The sum of the exponent is; -1 + (-3) + 1 = -31/8³ = 1/512
Therefore, the value of the expression is; 1/512Similarly, we get; 8⁷ × 8⁻¹⁰ = 8⁽⁷ ⁻ ¹⁰⁾ = 8⁻³ = 1/8³
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Determine whether AB is tangent to the circle with center c
9514 1404 393
Answer:
yes, no, no
Step-by-step explanation:
The triangle will be a right triangle if the sum of the squares of the two short sides, less the square of the long side, is zero. (This is what the Pythagorean theorem tells you.) The angle where the radius meets the circle must be a right angle if the line is to be a tangent.
__
a) 3^2 +4^2 -5^2 = 9 + 16 -25 = 0 . . . . AB is a tangent
__
b) 9^2 +15^2 -18^2 = 81 +225 -324 = -18 . . . . AB is not a tangent
__
c) 10^2 +48^2 -52^2 = 100 +2304 -2704 = -300 . . . . AB is not a tangent
find the length of x rounded to nearest hundredth please!!
Answer:
4.00 pls give brainliest
Step-by-step explanation:
Hello turkshcutie11!
\( \huge \boxed{\mathfrak{Question} \downarrow}\)
Find the value of x.
\( \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}\)
It's given that the triangle in the figure is a right triangle (a triangle with one angle as 90°). So, we can use the pythagoras property to solve this question.
__________________
Given sides :-
5 units (base)3 units (altitude)x units (hypotenuse)__________________
Using pythagoras property...
Hypotenuse ² = Base² + Altitude ²
x² = 5² + 3²
x² = 25 + 9
x² = 34
x = √34
x = 5.83 units (1st option).
__________________
Hope it'll help you!
ℓu¢αzz ッ
The average daily volume of a computer stock in 2011 was μ= 35 1 million shares, according to a reliable source. A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sample of 40 trading days in 2014, he finds the sample mean to be 25,1 million shares, with a standard deviation of s = 12 4 million shares. Test the hypotheses by constructing a 95% confidence interval. Complete parts (a) through (c) below.
a. State the hypotheses for the test.
b. Construct a 95% confidence interval about the sample mean of stocks traded in 2014
c. Will the researcher reject the null hypothesis?
A. Do not reject the null hypothesis because μ= 35 1 million shares falls in the confidence interval.
B. Reject the null hypothesis because μ= 35 1 million shares falls in the confidence interval.
C. Do not reject the null hypothesis because μ=35 1 million shares does not fall in the confidence interval.
D. Reject the null hypothesis because μ= 35 1 million shares does not fall in the confidence interval.
Answer:
a) The null and alternative hypothesis are:
\(H_0: \mu=35.1\\\\H_a:\mu< 35.1\)
b) The 95% confidence interval for the mean stocks traded in 2014 in millions is (21.13, 29.07).
c) D. Reject the null hypothesis because μ= 35 1 million shares does not fall in the confidence interval.
Step-by-step explanation:
The claim is that 2014 stock volumes are significantly different from 2011 stock volumes (35.1 millions).
Then, the null and alternative hypothesis are:
\(H_0: \mu=35.1\\\\H_a:\mu< 35.1\)
We can test this by calculating a 95% confidence interval for the mean.
The population standard deviation is not known, so we have to estimate it from the sample standard deviation and use a t-students distribution to calculate the critical value.
The sample mean is M=25.1.
The sample size is N=40.
When σ is not known, s divided by the square root of N is used as an estimate of σM:
\(s_M=\dfrac{s}{\sqrt{N}}=\dfrac{12.4}{\sqrt{40}}=\dfrac{12.4}{6.32}=1.961\)
The degrees of freedom for this sample size are:
\(df=n-1=40-1=39\)
The t-value for a 95% confidence interval and 39 degrees of freedom is t=2.023.
The margin of error (MOE) can be calculated as:
\(MOE=t\cdot s_M=2.023 \cdot 1.961=3.966\)
Then, the lower and upper bounds of the confidence interval are:
\(LL=M-t \cdot s_M = 25.1-3.966=21.13\\\\UL=M+t \cdot s_M = 25.1+3.966=29.07\)
The 95% confidence interval for the mean is (21.13, 29.07).
The value 35.1 is not included in the interval, so we can conclude that there is significant difference from the 2011 stock volume.
write the decimal 0.015 as a fraction (line over the 15, the 15 is repeating)
0.015 in fraction
=\(\frac{15}{1000}\)
Simplified is
=\(\frac{3}{200}\)
Answer:\(\frac{3}{200}\)
Indicate in standard form the equation of the line given the following information: The line that contains the point Q(1, -2) and is parallel to the line whose equation is y - 4 = 2/3 (x - 3) Enter your answer into the blank equation box.
The equation of the parallel line will be y = (2/3)x - 8/3.
What is the equation of a parallel line?Let the equation of the line be ax + by + c = 0. Then the equation of the parallel line that is parallel to the line ax + by + c = 0 is given as ax + by + d = 0.
The equation of the line is given below.
y - 4 = 2/3 (x - 3)
The equation of the line that is parallel to the given line will be written as,
y = (2/3)x + c
The equation of the line that passes through (1, -2), then we have
- 2= (2/3)(1) + c
- 2 = 2 /3 + c
c = - 8 / 3
Then the equation of the parallel line will be y = (2/3)x - 8/3.
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Submit your answers to the following questions. Be sure to explain your reasoning for each; it is helpful to draw this out to get started to see any quantitative patterns that develop.
If you write the counting numbers in rows of 7 numbers each, like shown below (but you keep going), where all the number line up in seven vertical columns as you go. (Note in the example below, the number 13 is in the 2nd row and the 6th column.)
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
In which column would the number 100 land?
In which row?
Now write the counting numbers in rows of 6 numbers each. What’s the location of 100 in this array?
Write arrays with other length rows. Find a way to predict in which row and column 100 will land for any array of numbers.
The number 100 would land in column 2
The number 100 would land in row 14The location of 100 in rows of 6 numbers is row 16 and column 3The location of 100 in rows of n numbers is row q and column rIn which column would the number 100 land?Given that we have the array of numbers
The length of each row in the array is 7
Dividing 100 by 7, we have
100/7 = 14 Remainder 2
This means that
Column = 2
In which row would the number 100 land?In (a), we have
100/7 = 14 Remainder 2
This means that
Row = 14
The location of 100 in rows of 6 numbersHere, we have
The length of each row in the array is 6
Dividing 100 by 6, we have
100/6 = 16 Remainder 3
So, the location of 100 in rows of 6 numbers is row 16 and column 3
Predicting the row and column 100 will landLet the length of each row in the array be n
Dividing 100 by n, we have
100/n = q Remainder r
This means that the location of 100 in rows of n numbers is row q and column r
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7. Suppose a math class contains 25 students, 15 females (five of whom speak French) and 10 males (three of whom speak French). Compute the probability that a randomly selected student is male, given that the student speaks French.
Conditional probability formula:
\(P(A|B)=\frac{P(A\cap B)}{P(A)}\)Given situation:
probability that a randomly selected student is male, given that the student speaks French
M= Student is male
F=Student speaks Frenc
\(\begin{gathered} P(M|F)=\frac{P(M\cap F)}{P(M)} \\ \\ P(M|F)=\frac{\#\text{male students speaks french}}{\#male\text{ students}} \\ \\ P(M|F)=\frac{3}{10}=0.3 \end{gathered}\)Then. the probability that a randomly selected student is male, given that the student speaks French is 3/10 or 0.3Find –11. (-12) .
The solution is
Answer: 132
Step-by-step explanation:
negative times negative equals positive
Are all isosceles triangles similar? Are all right triangle similar? Are all isosceles right triangles similar? Explain.
Please don't answer with one answer, blank or a ridiculous response. This is serious please.
DON'T SEND A LINK AT ALL FOR THE PERSON WHO KEEPS SENDING AND CHANGING THERE NAME
Please explain each one.
Answer:
Are all isosceles triangles similar? NOAre all right triangle similar? NOAre all isosceles right triangles similar? YESExplanation:
if 2x°+y° = 180° | x° = [0° > 90°]if x°+y°+90° = 180° | x° = [0° > 90°]if 2x°+90° = 180° | x° = 45°