Answer:
y+1 = 2(x-6)
Step-by-step explanation:
We have a point (6,-1) and a slope m=2
The point slope form of a line is
y-y1 = m(x-x1)
y- -1 = 2(x-6)
y+1 = 2(x-6)
Answer: y - (-1) = 2(x-6) which is basically y + 1 = 2(x - 6)
Step-by-step explanation:
Disregard my explanation, its in the wrong form
Point-slope form is y = mx + b
They gave us m, 2. And they gave us the coords, (6, -1)
All you have to do is plug this info in to get:
\(-1=2(6)+b\\-1=12+b\\b=-13\)
A student filled a right rectangular prism shaped box with one inch cubes to find the volume in cubic inches the students work is shown explain why the students reasoning is incorrect provide the correct volume in cubic inches and why the students reasoning is incorrect in your answer
The volume of the right rectangular prism is the amount of cubes in it
The formula to determine the volume of the right rectangular prism is V(n) = n
How to determine the volume?The question is incomplete; as the figure is not given.
So, I will provide a general solution
The volume of a one inch cube is:
\(V = 1^3\)
\(V = 1\)
Assume the number of one inch cubes used to fill the right rectangular prism is n.
Then the volume of the right rectangular prism would be:
\(V(n) = n * 1\)
This gives
\(V(n) = n\)
Hence, the general formula to determine the volume of the right rectangular prism is V(n) = n
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it took oliva 2 hour to drive 240 miles. at this rate how long does it take to drive 80 miles
Answer:
40 minutes
Step-by-step explanation:
rate = distance/time = miles/hr
rate = 240 mi/2 hr = 120 mi/hr
time = distance / rate = (80 mi)/(120 mi/hr) = 0.67 hr = 40 minutes
(0.67 hr)(60 min/hr) = 40 minutes
Need ASAP! Will mark branliest ..What is the slope (m)? 2x+2y=8
Answer:
m= 1
Step-by-step explanation:
subtract 2x
2y= 2x + 8
divide by 2
y= x + 4
y= mx + b, m is the slope
Answer:
y = -x + 4
m= -1
Step-by-step explanation:
First thing you need to do is get y by itself so you can have it in y=mx+b format
2x + 2y = 8
2y = -2x + 8 divide by 2
y = -x + 4
since x is by itself there is an imaginary 1 in front of the x, so it would be -1
Find the x,y,z
For 10points
Answer:
x = y = 110°z = 70°Step-by-step explanation:
You want to know angles x, y, and z in the given figure where parallel lines 'a' and 'b' are crossed by a transversal. The sum of these angles is 290°.
Consecutive interior anglesAngles y and z are called consecutive interior angles. As such, they are supplementary, so their sum is 180°.
x + y + z = 290°
x + 180° = 290°
x = 110°
Vertical anglesAngles x and y are vertical angles, so are congruent.
y = x = 110°
Then z is found from ...
y + z = 180°
110° + z = 180°
z = 70°
The measures of x, y, and z are 110°, 110°, and 70°, respectively.
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Which is a unit rate?
1 Cookie/ 1/3 bag
1 Cookie/ 9 bags
2/3 cookies
3 cookies/bag
Answer:
3 cookies/bag
Step-by-step explanation:
First of all, let's define a unit rate. A unit rate is a ratio of the amount of one measurement to one unit of another measurement term. Unit rates can be expressed as fractions.
Now, here is something easier for you to remember: the second unit always have to be something with the quantity of 1.
In this case, "3 cookies/bag" shows how there are three cookies per, or in each bag--which means 1 bag. The second unit, which is bag, has the quantity of one.
Anya has $25,000 which she recently received from a trust fund, which she intends to invest in an account earning 12% annually. a) How many years would it take Anya to accumulate $40,000. b) If Anya's goal is to save $40,000 in just 3 years, what rate of return must she earn annually on her account. Show all workings and formulae
a) It would take Anya approximately 4 years to accumulate $40,000 with an annual interest rate of 12%. b) Anya must earn an annual rate of return of approximately 12.6% to save $40,000 in 3 years.
a) To calculate the number of years it would take Anya to accumulate $40,000, we can use the future value formula for compound interest:
Future Value = Present Value * (1 + interest rate)ⁿ
Where:
Future Value = $40,000
Present Value = $25,000
Interest rate = 12% = 0.12
n = number of years
Substituting the given values into the formula, we have:
$40,000 = $25,000 * (1 + 0.12)ⁿ
Dividing both sides of the equation by $25,000, we get:
(1 + 0.12)ⁿ = 40,000 / 25,000
(1.12)ⁿ = 1.6
To solve for n, we can take the logarithm of both sides of the equation:
n * log(1.12) = log(1.6)
Using a calculator, we find that log(1.12) ≈ 0.0492 and log(1.6) ≈ 0.2041. Therefore:
n * 0.0492 = 0.2041
n = 0.2041 / 0.0492 ≈ 4.15
b) To calculate the required rate of return for Anya to save $40,000 in just 3 years, we can rearrange the future value formula:
Future Value = Present Value * (1 + interest rate)ⁿ
$40,000 = $25,000 * (1 + interest rate)³
Dividing both sides of the equation by $25,000, we have:
(1 + interest rate)³ = 40,000 / 25,000
(1 + interest rate)³ = 1.6
Taking the cube root of both sides of the equation:
1 + interest rate = ∛1.6
Subtracting 1 from both sides, we get:
interest rate = ∛1.6 - 1
Using a calculator, we find that ∛1.6 ≈ 1.126. Therefore:
interest rate = 1.126 - 1 ≈ 0.126
To express the interest rate as a percentage, we multiply by 100:
interest rate = 0.126 * 100 = 12.6%
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The melting point of nitrogen is -210 °C. The melting point of magnesium is 650 °C.
What is the difference in melting points of the two elements?
Answer:
860 degrees
Step-by-step explanation:
-210+210=0
0+650=650
650+210=860
the expected value is equal in mathematical computation to the ____________
The expected value is the long-term average outcome of a random variable. It is calculated by multiplying each possible outcome by its probability and summing them up. In simpler terms, it represents the average value we expect to get over many trials.
The expected value is a concept in probability and statistics that represents the long-term average outcome of a random variable. It is also known as the mean or average. To calculate the expected value, we multiply each possible outcome by its probability and sum them up.
For example, let's say we have a fair six-sided die. The possible outcomes are numbers 1 to 6, each with a probability of 1/6. To find the expected value, we multiply each outcome by its probability:
1 * 1/6 = 1/62 * 1/6 = 2/63 * 1/6 = 3/64 * 1/6 = 4/65 * 1/6 = 5/66 * 1/6 = 6/6Summing up these values gives us:
1/6 + 2/6 + 3/6 + 4/6 + 5/6 + 6/6 = 21/6 = 3.5
Therefore, the expected value of rolling a fair six-sided die is 3.5. This means that if we roll the die many times, the average outcome will be close to 3.5.
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a grocery store has an average sales of $8000 per day. the store introduced several advertising campaigns in order to increase sales. to determine whether or not the advertising campaigns have been effective in increasing sales, a sample of 100 days of sales was selected. it was found that the average was $8200 per day. from past information, it is known that the standard deviation of the population is $1500. the correct null hypothesis for this problem is
The correct null hypothesis for the given problem is \(H_0\) : μ = 8000.
To obtain the correct null hypothesis for the given problem, follow the given below steps:
Firstly, recall that the null hypothesis ( \(H_0\) ) is a statistical assumption used in hypothesis testing.
It is a statement that is assumed to be true until it is proven false by the alternative hypothesis.
Secondly, recall that the null hypothesis is the opposite of the alternative hypothesis (\(H_1\)), which is the statement that researchers want to prove to be true.
Thirdly, recall that the null hypothesis for a population mean is as follows:
\(H_0\) : μ = \(\mu_o\)
where μ represents the population mean and
\(\mu_o\) represents the hypothesized population mean.
Therefore, for the given problem, the correct null hypothesis is:
\(H_0\) : μ = 8000.
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Use the long division method to find the result when 2x + 13x2 + 20x + 9 is
divided by 2x + 9.
Answer:22x+35 over 2x+9
Solve the simultaneous 2x+4y=22
2x+2y=15
Answer:
Well for 2x+4y=22, x=-2y+11
and for 2x+2y=15, x=-y+15/2
Step-by-step explanation:
why did the girl wear glasses during math class
Answer:
Because she found it improves division.
Step-by-step explanation:
A line is parallel to y = 5x + 9 and
intersects the point (-2, -3). What is the
equation of this parallel line?
y = 5x + [?]
Answer:
y = 5x + 7
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = 5x + 9 ← is in slope- intercept form
with slope m = 5
Parallel lines have equal slopes, thus
y = 5x + c ← is the partial equation
To find c substitute (- 2, - 3) into the partial equation
- 3 = - 10 + c ⇒ c = - 3 + 10 = 7
y = 5x + 7 ← equation of parallel line
# I want answer in C++.
Consider two fractions in the form \( a / b \) and \( c / d \), where \( a, b, c \), and \( d \) are integers. Given a string describing an arithmetic expression that sums these two fractions in the f
To solve the fraction addition problem in C++, you can define a Fraction struct to represent fractions. Implement a gcd function to find the greatest common divisor.
Parse the input fractions and perform the addition using overloaded operators. Print the result. The code reads the input string, finds the "+" operator position, parses the fractions, performs the addition, and prints the sum.
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please help im being timed
jeremy recived a bill with a balance due of $25.60. after an error was corrected, the new balance due was 1/4 of the original balance due, what is his new balance due
Answer:
6.40$
Step-by-step explanation:
HOPE THIS HELPS
PLZZ MARK BRAINLEIST
SOLVE: (4 - 2) + 9 for 20 points and brainliest
Answer:
11
Step-by-step explanation:
(4 - 2) + 9
2 + 9
11
we use BODMAS
solve the bracket first
so,
(4-2)
=2
so we have 2+9
= 11
ANSWER IS 11
Which equation represents the line shown on the coordinate plane below??
A straight line is represented by a linear function.
The equation of the line is \(y = -\frac 14 x\)
From the coordinate plane, the line passes through the following points
\((x,y) =(0,0)\ (4,-1)\)
The slope of the above points is calculated using:
\(m = \frac{y_2 -y_1}{x_2 -x_1}\)
So, the above equation becomes
\(m = \frac{-1 - 0}{4-0}\)
This gives
\(m = \frac{-1}{4}\)
Rewrite as:
\(m = -\frac{1}{4}\)
The line equation is then calculated as:
\(y = m(x-x_1) + y_1\)
So, we have:
\(y = -\frac 14 (x-0) + 0\)
This gives
\(y = -\frac 14 (x)\)
Remove bracket
\(y = -\frac 14 x\)
Hence, the equation of the line is \(y = -\frac 14 x\)
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PLZ help. The first correct answer gets brainliest!
Answer:
I
Step-by-step explanation:
you start in (0,3) than moved one up and two to the side and you and up with (2,4) = i
Let X
=
A
.
¯¯¯¯¯¯
B
C
. Evaluate X for
(a) A
=
1
,
B
=
0
,
C
=
1
, (b) A = B = C = 1 and ( c) A = B = C = 0.
The given expressions, when A=1, B=0, and C=1, X evaluates to 1.001; when A=B=C=1, X evaluates to 1.111; and when A=B=C=0, X evaluates to 0.000. These evaluations are based on the given values of A, B, and C, and the notation ¯¯¯¯¯¯BC represents the complement of BC.
To evaluate the expression X = A.¯¯¯¯¯¯BC, we substitute the given values of A, B, and C into the expression.
(a) For A = 1, B = 0, and C = 1:
X = 1.¯¯¯¯¯¯01
To find the complement of BC, we replace B = 0 and C = 1 with their complements:
X = 1.¯¯¯¯¯¯01 = 1.¯¯¯¯¯¯00 = 1.001
(b) For A = B = C = 1:
X = 1.¯¯¯¯¯¯11
Similarly, we find the complement of BC by replacing B = 1 and C = 1 with their complements:
X = 1.¯¯¯¯¯¯11 = 1.¯¯¯¯¯¯00 = 1.111
(c) For A = B = C = 0:
X = 0.¯¯¯¯¯¯00
Again, we find the complement of BC by replacing B = 0 and C = 0 with their complements:
X = 0.¯¯¯¯¯¯00 = 0.¯¯¯¯¯¯11 = 0.000
In conclusion, when A = 1, B = 0, and C = 1, X evaluates to 1.001. When A = B = C = 1, X evaluates to 1.111. And when A = B = C = 0, X evaluates to 0.000. The evaluation of X is based on substituting the given values into the expression A.¯¯¯¯¯¯BC and finding the complement of BC in each case.
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For how many positive integers "n" does 1+2+...+n evenly divide 6n?
a) 3
b) 5
c) 7
d) 9
e) 11
(b) 5.Let's first express 1 + 2 + ... + n as the sum of an arithmetic series:
1 + 2 + ... + n = n(n+1)/2
Now, we need to find the positive integers n for which 6n is divisible by n(n+1)/2, or equivalently, for which n+1 is divisible by 3.
If n+1 is divisible by 3, then either n+1 = 3, 6, 9, ... or n+1 = 4, 7, 10, .... The first case gives n = 2, 5, 8, ... and the second case gives n = 3, 6, 9, ....
Thus, there are 5 possible values of n: 2, 3, 5, 6, and 9.
An arithmetic series is a sequence of numbers where each term is obtained by adding a constant value to the previous term. This constant value is called the common difference. For example, the sequence 2, 5, 8, 11, 14, ... is an arithmetic series with a common difference of 3. The formula for the nth term of an arithmetic series is: a_n = a_1 + (n-1)d, where a_n is the nth term, a_1 is the first term, n is the position of the term in the sequence, and d is the common difference. The sum of the first n terms of an arithmetic series can be calculated using the formula: S_n = n/2(a_1 + a_n).
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i need help with this geometry
Answer:
34
Step-by-step explanation:
If the top one was 46 and the other was 44 there is a 2 difference so subtract 3 from 36.
Please help me with this
Answer:
30
Step-by-step explanation:
x+2x+3x=180
6x=180
x=30
A basketball team made $3,094 selling team hats. Each hat sold for $34. How many hats did the team sell?
Answer:
The team sold 91 hats.
Step-by-step explanation:
$3,094 ÷ %34 = 91
let y1, . . . , yn be a random sample with common mean µ and common variance σ 2 . use the clt to write an expression approximating the cdf p(y¯ ≤ x) in terms of µ, σ2 and n, and the standard normal cdf fz(
The expression approximating the CDF P(Y ≤ x) in terms of µ, σ^2, and n is Φ((x - µ)/(σ/√n)), where Φ is the standard normal CDF.
The Central Limit Theorem (CLT) states that for a random sample of size n with a large enough sample size, the sample mean (Y) will be approximately normally distributed with mean µ and variance σ^2/n.
Using this information, we can approximate the cumulative distribution function (CDF) P(Y ≤ x) by transforming it into the standard normal CDF:
P(Y≤ x) ≈ P((Y - µ)/(σ/√n) ≤ (x - µ)/(σ/√n))
Let Z denote the standard normal random variable with mean 0 and variance 1. By standardizing the expression above, we can rewrite it as:
P(Y ≤ x) ≈ P(Z ≤ (x - µ)/(σ/√n))
Finally, we can use the standard normal CDF, denoted as Φ, to approximate the CDF:
P(Y ≤ x) ≈ Φ((x - µ)/(σ/√n))
Therefore, the expression approximating the CDF P(Y ≤ x) in terms of µ, σ^2, and n is Φ((x - µ)/(σ/√n)), where Φ is the standard normal CDF.
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true/false. order the following steps from transcription through the initiation of translation.
Transcription - Translation - Initiation
True. Here is the ordered sequence of steps from transcription through the initiation of translation:
1. Transcription: This is the process in which the DNA sequence is copied into RNA (messenger RNA or mRNA) by the enzyme RNA polymerase.
2. RNA Processing: The newly formed mRNA undergoes modifications such as splicing to remove introns, addition of a 5' cap, and addition of a 3' poly-A tail.
3. Initiation of Translation: The processed mRNA is transported to the ribosome, where the process of translation begins. The small ribosomal subunit, along with the initiation factors, binds to the mRNA. The start codon (AUG) is recognized by the initiator tRNA, and the large ribosomal subunit binds to form the complete translation initiation complex.
Once the initiation of translation is complete, the process of elongation and termination of translation follows, ultimately resulting in the synthesis of a protein.
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The function f(x) = log0.75x is decreasing true or false
Answer:
Its true
Step-by-step explanation:
Hope this helped<3
Amelia works for 6 hours and earns $48.00. The graph shows the
relationship between the number of hours Amelia works, x, and the
total amount she earns, y.
Which point represents the number of dollars Amelia makes per hour?
O (1,8)
O (8,1)
O (6,48)
O (48,6)
How many solutions does this equation have?
-6t = 3 – 5t
Answer:
There are infinite solutions for this plug in any number for t, and you will always get 0
Step-by-step explanation:
Hope this helps:)
The slope of the line that passes through the points (6,9) and (11.2) is --
Answer:
\(m=\frac{-7}{5}\)
Step-by-step explanation:
Slope Formula: \(m=\frac{y_2-y_1}{x_2-x_1}\)
Simply plug in the 2 coordinates into the slope formula to find slope m:
\(m=\frac{2-9}{11-6}\)
\(m=\frac{-7}{5}\)
Which graph represents the equation y = 3/4x – 3 ?
Answer:
899799.9099
Step-by-step explanation:
78877.9988999.99
Answer:
The first one A
Step-by-step explanation: I did my best