Answer is The smaller angle is 35°.
To solve for the acute angles in a right triangle when sin(5x)° = cos(3x + 2)°, we need to use trigonometric identities.
Recall that sin(x) = cos(90 - x) for any angle x. Using this identity, we can rewrite sin(5x)° as cos(90 - 5x)°.
Similarly, cos(x) = sin(90 - x) for any angle x. Using this identity, we can rewrite cos(3x + 2)° as sin(90 - (3x + 2))°, which simplifies to sin(88 - 3x)°.
Now we have cos(90 - 5x)° = sin(88 - 3x)°. Since these two expressions are equal, we can set them equal to each other and solve for x:
cos(90 - 5x)° = sin(88 - 3x)°
sin(5x)° = sin(88 - 3x)°
5x = 88 - 3x
8x = 88
x = 11
Therefore, the acute angles in the right triangle are 5x° and 90 - 5x°, or 55° and 35°. The smaller angle is 35°.
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If 2x-3y=3 find 16^x/64^y
a. 4
b. 8
c. 16
d. 64
Answer:
D. 64
Step-by-step explanation:
Did you mean: if 2x−3y=3 what is 16x64y? That fraction equals 42x−3y, so the answer would be 43, which is 64.
express each set using roster notation. then give the cardinality of the set. (a) p(∅) (b) p(p(∅)) (c) p(p(p(∅)))
The cardinality of the sets p(∅), p(p(∅)), and p(p(p(∅))) are 1, 2, and 4 respectively.
a)p(∅) = {x | x ⊆ ∅}
Cardinality of the set is 1, since there is only one subset of the empty set, which is the empty set itself.
b)p(p(∅)) = {x | x ⊆ {∅}}
Cardinality of the set is 2, since there are two subsets of the set containing the empty set, which are the empty set itself and the set containing the empty set.
c)p(p(p(∅))) = {x | x ⊆ {{∅}}}
Cardinality of the set is 4, since there are four subsets of the set containing the set containing the empty set, which are the empty set itself, the set containing the empty set, the set containing the set containing the empty set, and the set containing the empty set and the set containing the empty set.
The cardinality of the sets p(∅), p(p(∅)), and p(p(p(∅))) are 1, 2, and 4 respectively.
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I don’t understand this please help
Answer:
2
Step-by-step explanation:
The answer is "The graph is incorrect. He should have shaded ro the right"
1/4a-3=1/4a(a-?) I need to finish this quick can someone repy fast!
Answer:
12
Step-by-step explanation:
Factoring out a 1/4 from 1/4a - 3, you get 1/4 (a - 12) as 12 * 1/4 = 3. Thus, ? = 12.
On a Saturday, a library checked out 52 books. Of the 52 books checked out, 24 of the books were fiction. What type of ratio does the statement describes?
Answer: 24/28
Step-by-step explanation:
There are 32 students in a class.15 students play football only; 10 students play cricket only : 3 students do not play any games. How many students play both games?
Answer:
4 students
Step-by-step explanation:
32 - 3 = 29
10 + 15 = 25
29 - 25 = 4
megan is trying to find the length of the segment using the Pythagorean Theorem
Part A : megan made one mistake in her work , which caused her to get the wrong answer what did she do wrong?
Part B : Calculate the correct length of the segment
Answer:
10
Step-by-step explanation:
To obtain the length of the segment :
a² + b² = c²
a = 8 ; b = 6
8² + 6² = c²
64 + 36 = c²
100 = c²
Square root of both sides :
Sqrt(100) = sqrt(c²)
10 = c
Mistake in the solution is that 6² = 36 and not 12
What is the probability that a random nonnegative Integer less than 100 is divisible by 9 or by 11? a.1/5 b. 9/100 c. 21/100 d. 11/50 e. 1/10
The probability that a random nonnegative Integer less than 100 is 21/100. The correct answer is C.
How to determine probability ?To find the probability that a random non-negative integer less than 100 is divisible by 9 or by 11, we need to count the number of integers less than 100 that are divisible by 9 or 11 or both.
There are 11 integers less than 100 that are divisible by 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, and 99.
There are 9 integers less than 100 that are divisible by 11: 11, 22, 33, 44, 55, 66, 77, 88, and 99.
However, the number 99 is counted twice in the above list since it is divisible by both 9 and 11.
Therefore, the total number of integers less than 100 that are divisible by 9 or by 11 is 11 + 9 - 1 = 19.
Since there are 100 non-negative integers less than 100, the probability that a random non-negative integer less than 100 is divisible by 9 or by 11 is 19/100.
Therefore, the answer is (C) 21/100.
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what does x times y plus x equal?
x times y plus x is equal to
xy + x
= x(y + 1)
Hope it helps...Answer:
x (y + 1)
Step-by-step explanation:
x times y plus x
= x × y + x
= xy + x
= x (y + 1)
Hope it helps ⚜
Greg’s backyard is 47 feet wide. How many yards and feet is this?
Answer:
15 yards amd 3 feet.
Step-by-step explanation:
I wish to get extra three points :)
Answer:
This is 15 yards and 3 feets.
For an ANOVA, when the null hypothesis is true, the F-ratio is balanced so that the numerator and the denominator are both measuring the same sources of variance
In an analysis of variance (ANOVA), the F-ratio is used to determine whether there are significant differences between the means of two or more groups.
When the null hypothesis is true, it means that there are no significant differences between the group means, and any observed differences are due to random chance.
In this scenario, the F-ratio is balanced in such a way that the numerator and the denominator both measure the same sources of variance.
The F-ratio is calculated by dividing the variability between the group means (numerator) by the variability within the groups (denominator).
When the null hypothesis is true, both the numerator and the denominator represent the same underlying variation.
This ensures that the F-ratio is balanced and close to 1.0, indicating that the group means are similar and any observed differences are likely due to chance.
The balanced F-ratio is a crucial aspect of ANOVA as it allows researchers to assess the significance of group differences accurately.
If the F-ratio deviates significantly from 1.0, it suggests that the observed differences between the group means are unlikely to be due to random chance alone, and the null hypothesis is rejected in favor of the alternative hypothesis.
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Find the equation of the tangent line to the curve y = (8 ln(x))/x at the points (1, 0) and (e, 8/e).
The equation of the tangent line to the curve are \(y=x-1 , y=\frac{xe-e^{2}+8 }{e}\).
It is required to find the solution.
What is a tangent ?A tangent is a line that touches the edge of a curve or circle at one point, but does not cross it. The tangent line to a curve at a point is that straight line that best approximates (or “clings to”) the curve near that point.
Given:
\(y=8\frac{lnx}{x} \\\\y'=8(\frac{1/x*x-lnx*1}{x^{2} } \\\\y'=\frac{1-lnx}{x^{2} }\)
Now, we find the slope of the tangent by inserting the point (1,0) into the derivative.
\(m_{tangent}=\frac{1-ln1}{1^{2} }\\\\m_{tangent}=1-0/1\\\\m_{tangent} =1\)
We can now find the equation, because we know the slope and a point (1, 0).
\(y-y_{1} =m(x-x_{1} )\\\)
y-0=1(x-1)
y=x-1
We can now find the equation, because we know the slope and a point (e, 8/e).
\(y-y_{1} =m(x-x_{1} )\\\\y-8/e=1(x-e)\\\\y=\frac{xe-e^{2}+8 }{e}\)
Therefore, the equation of the tangent line to the curve are \(y=x-1 , y=\frac{xe-e^{2}+8 }{e}\).
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Use the number line to find the measure of SV
Answer:
8
Step-by-step explanation:
S = -7 to V= 1 you count from -7 to 1
precalculus b dba given a vertical asymptote and a horizontal asymptote, how would you begin to find an expression for a rational function?
By finding the vertical and horizontal asymptotes, you can use them to help find an expression for the rational function
To find an expression for a rational function given a vertical asymptote and a horizontal asymptote, start by recognizing that the general form of a rational function is f(x) = (ax + b)/(cx + d), where a, b, c, and d are all constants.
Next, use the given information to solve for a, b, c, and d in the equation. The vertical asymptote represents the x-values at which the denominator of the equation equals zero, so set cx + d equal to zero and solve for x. Similarly, the horizontal asymptote can be found by setting ax + b equal to the asymptote’s y-value.
Once both equations are solved for x, substitute the x-values back into the equation for the rational function and solve for the corresponding a, b, c, and d values.
A vertical asymptote occurs when the denominator of the rational function is equal to zero, so you can set the denominator equal to zero and solve for the variable to find the vertical asymptote.
A horizontal asymptote occurs when the degree of the numerator and denominator are equal, so you can look at the leading coefficients of the numerator and denominator to find the horizontal asymptote.
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Ship A receives a distress signal from the east, and ship B receives a distress signal from the same vessel from the northwest. At what location is the vessel in distress located? Describe how you arrived at your conclusion using complete sentences. You must show all work in order to receive credit.
Step-by-step explanation:
The location of the vessel in distress is located in between ship A and ship B,
to the right of ship A and to the top left of ship B
to arrive at the answer we have to understand the cardinal point system.
kindly find attached a detail sketch of the location of the ships and the point of distress call
temp change -4.2 and 9.1
Subtraction is a mathematical operation that reflects the removal of things from a collection. The temperature change from -4.2 to 9.1 is 13.3.
What is subtraction?Subtraction is a mathematical operation that reflects the removal of things from a collection. The negative symbol represents subtraction.
The temperature change from -4.2 to 9.1 is,
ΔT = 9.1 - (-4.2) = 9.1 + 4.2 = 13.3
Hence, the temperature change from -4.2 to 9.1 is 13.3.
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Which choice provides the best evidence for the
answer to the previous question?
A) Lines 1-4 ("At field . . . parents")
B) Lines 6-11 ("So when . . . fly")
C) Lines 16-19 ("When . . . measured")
D) Lines 23-24 ("At first . . . the ground")
Correct option is B. "Lines 6-11". It provides best evidence for the question mention below in the answer.
The lines that provide evidence are -"So when a group of graduate students challenged him to come up with new data on the age-old ground-up-tree-down debate, he designed a project 10 to see what clues might lie in how baby game birds learned to fly."
Previous question which is mentioned in the question is -"Which statement best captures KenDial’s central assumption in setting up his research?"
Below is the passage mentioned in the question is from Thor Hanson, Feathers by Thor Hanson -" At field sites around the world, Ken Dial saw a
pattern in how young pheasants, quail, tinamous,
and other ground birds ran along behind their
parents. “They jumped up like popcorn,” he said,
5 describing how they would flap their half-formed
wings and take short hops into the air.
6 "So when a group of graduate students challenged him
to come up with new data on the age-old
ground-up-tree-down debate, he designed a project
10 to see what clues might lie in how baby game birds
11 learned to fly."
.............................................................
Ken called the technique WAIR, for wing-assisted
incline running, and went on to document it in a
wide range of species. It not only allowed young
birds to climb vertical surfaces within the first few
weeks of life but also gave adults an energy-efficient
65 alternative to flying. In the Chukar experiments,
adults regularly used WAIR to ascend ramps steeper
than 90 degrees, essentially running up the wall and
onto the ceiling.
In an evolutionary context, WAIR takes on
70 surprising explanatory powers. With one fell swoop,
the Dials came up with a viable origin for the
flapping flight stroke of birds (something gliding
animals don’t do and thus a shortcoming of the
tree-down theory) and an aerodynamic function for
75 half-formed wings (one of the main drawbacks to the
ground-up hypothesis). "
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PLEASE HELP I NEED THE ANSWER ASAP !! TYSM !
A quadratic equation is shown below:
16x2 − 8x + 1 = 0
Part A: Describe the solution(s) to the equation by just determining the radicand. Show your work.
Part B: Solve 4x2 − 8x − 45 = 0 by using an appropriate method. Show the steps of your work, and explain why you chose the method used.
a) Radicand is 1/4
b) x= 4.5 or -2.5
What is quadratic equation?A quadratic equation is a second-order polynomial equation in a single variable x ax²+bx+c=0. with a ≠ 0 .
Given equation is:
16x²-8x+1=0
Now,
(4x)²-2*4x*1 + (1)²=0
Using
(a+b)²= a² + 2ab + b²
So,
(4x)²-2*4x*1 + (1)² = (4x+1)²
x=1/4
b) 4x² - 8x - 45 = 0
Using discriminant method
D = √[(-8)² - 4(4)(-45)]
= √784
= 28
Now, x = (1/8)[8 +/- 28]
= (1/8)(36) = 4.5
or, x = (1/8)(-20)
= -2.5
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Chau needs to buy plastic forks. Brand A has a box of 12 forks for $1.12. Brand B has a box of 25 forks for $2.69. Find the unit price for each brand. Then state which brand is the better buy based on the unit price. Round your answers to the nearest cent.
PLEASE HELP!!!!
ASAP!
Answer:
The answer for Brand A is 0.09 because if you divide that would be you answer.
Brand B the answer is 0.10 how you do it is the same you divide and this is you answer.
Step-by-step explanation:
Which ordered pair makes both inequalities true?
y > –3x + 3
y > 2x – 2
On a coordinate plane, 2 straight lines are shown. The first solid line has a positive slope and goes through (0, negative 2) and (1, 0). Everything to the left of the line is shaded. The second dashed line has a negative slope and goes through (0, 3) and (1, 0). Everything to the right of the line is shaded.
The ordered pair which makes both inequalities true is: D. (3, 0).
Here, we have,
In Mathematics, an inequality can be used to show the relationship between two (2) or more integers and variables in an equation.
In order to determine ordered pair which makes both inequalities true, we would substitute the points into the inequalities as follows:
At (0, 0), we have:
y > -2x + 3
0 > -2(0) + 3
0 > 3 (false).
y < x – 2
0 < 0 - 2
0 < -2 (false)
At (0, -1), we have:
y > -2x + 3
-1 > -2(0) + 3
-1 > 3 (false).
y < x – 2
-1 < 0 - 2
-1 < -2 (false)
At (1, 1), we have:
y > -2x + 3
1 > -2(1) + 3
1 > -1 (true).
y < x – 2
1 < 1 - 2
1 < -1 (false)
At (3, 0), we have:
y > -2x + 3
0 > -2(3) + 3
0 > -3 (true).
y < x – 2
0 < 3 - 2
0 < 1 (true).
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complete question:
Which ordered pair makes both inequalities true?
y > –2x + 3
y < x – 2
On a coordinate plane, 2 straight lines are shown. The first solid line has a positive slope and goes through (0, negative 2) and (2, 0). Everything to the right of the line is shaded. The second dashed line has a negative slope and goes through (0, 3) and (1, 1). Everything to the right of the line is shaded.
(0,0)
(0,–1)
(1,1)
(3,0)
What 2 concepts are covered in the Polynomial Long Division Calculator?
Polynomial long division is a method used to divide one polynomial by another in order to find the quotient and the remainder.
This method is often used in algebra and is a crucial tool in understanding polynomials and their properties.
The Polynomial Long Division Calculator is a tool used to perform polynomial long division. It covers two important concepts in algebra: polynomials and division.
Polynomials are mathematical expressions made up of variables and coefficients. They can be used to model a wide range of real-world situations, including curves, relationships between variables, and trends.
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2. A cow gives 24litre milk each day. If the milkman sells 75% of the milk, how many
liters of milk is left with him?
Answer: 6 liters
Step-by-step explanation:
24 liters
He sells 75%
24 x 0.75 = 18 liters
24 - 18 = 6
He still has 6 liters left
Which equations are equivalent to Negative one-fourth (x) + three-fourths = 12 Select all that apply. (StartFraction negative 4 x over 1 EndFraction + three-fourths = 12 Negative 1 (StartFraction x over 4 EndFraction) + three-fourths = 12 StartFraction negative x + 3 over 4 EndFraction = 12 One-fourth (x + 3) = 12 (StartFraction negative x over 4 EndFraction + three-fourths = 12
Answer:
X = -2
Explanation
12 (x+3) = 12
Oliver found a list of the number of roller coasters at each amusement park in the state. 11, 17, 28, 17, 40, 44, 19, 45, 49, 31 What is the median?
Answer:
29.5
Step-by-step explanation:
Order from least to greatest
11, 17, 17, 19, 28, 31, 40, 44, 45, 49
Then find the middle number which is 28 and 31 so add the two numbers
28 + 31 = 59
then
59 divided by 2 = 29.5
Solve the equation and justify the steps used to solve.
-7=n-6
Answer:
-1
Step-by-step explanation:
-7=n-6
n=-7+6
n=-1
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A grid shows the positions of a subway stop and your house. The subway stop is located at (7,3) and your house is located at (4-5). What is
the distance, to the nearest unit, between your house and the subway stop?
Answer:
9 units
Step-by-step explanation:
In a coordinate plane with point P( x , y) and Q(a,b ).
distance between these are points is given by equation
distance between PQ = \(\sqrt{(x-a)^2 + (y-b)^2}\).
Coordinate of subway stop = (7,3)
Coordinate of house = (4-5)
Therefore using the above the formula to calculate distance between
house and the subway stop is given by
distance = \(\sqrt{(7-4)^2 + (3-(-5)^2}\\\\=>\sqrt{(3)^2 + (3+5)^2}\\\\=>\sqrt{9 + (8)^2}\\\\=>\sqrt{9 + 64}\\\\=>\sqrt{9 + 64}\\\\=>\sqrt{73}\\\\=>8.544\)
Therefore, distance between house and the subway stop is 8.544 units.
But it is given that distance should be to the nearest unit.
any decimal value greater than or equal to .5 is equivalent to 1 in nearest unit.
Thus, 8.544 units is equivalent to 9 units (in nearest unit)
1000 with an interest rate of 2%
Answer:
1000+2%×1000=1000+20=1020
The letter tiles shown are placed in a bowl. Matt selects one tile from the bowl.
HUKMOPSUZY
What is the probability that Matt will select one of the letters in the word "JUMP"?
Enter your answer in the box below.
1
2
3
11
VI
"V
10
4
5
6
2
8
9
Answer:
4/10 or 2/5
Step-by-step explanation:
probability of each letter:
J = 0/10
U = 2/10
M = 1/10
P = 1/10
the students in math class are investigating the distribution of stickers by color in various packages. in a amall package, they find the following results, summarized in the frequency table and histogram below.how is the histogram for the stickers from the small package distributed?
Lisa says 12 3 = 9 Kay says 12 3 = 4 Who is correct? Why?