How would you graph y = x - 7

Answers

Answer 1

Answer: the y coordinate is at 0,-7 and then just go up one over one to the right

Answer 2

Answer: Put the y first and then you would go left 7 for x i think

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What is the answer to this problem and why 60+60×0+1=
Answer and I will give you brainiliest
Solve the algebraic expression n + 8, if n = 15
When we slice a three-dimensional object, we expose new faces that are two dimensional. The two-dimensional face is called ______________.
Suppose you invest $50 a month in an annuity that earns 48% APR compounded monthly. How much money will you have in this account after 2 years?A: 2001.29B: 751.29C: 1954.13D: 1536.19Solution: use formula P[((1+(r/n)^(nt))-1)/(r/n)]Solution 50[((1+(0.48/12)^(2 x 12))-1)/(0.48/12)]= C $1954.13

I know the answer is 36 but I need to know the working out and I am unsure how to work the question out.Plz explain

Thanks in advance!! :)

Answers

Answer:

Step-by-step explanation:

Since the 3 numbers have a ratio of 2:3:7, that means it simplifies to that. So, there must be a common factor, let’s say x, for each of the numbers. Thus, the numbers are 2x, 3x, and 7x. To find the mean, we add up all of the numbers and divide by the number of numbers: (2x + 3x + 7x)/3 = 12x/3 = 4x = 48. Dividing by 4 on both sides gets x = 12. The median of the numbers is the number in the middle which is 3x. Substituting x = 12, we get: 3(12) = 36.

I hope this helps!!! :)

For the 405 highway that car pass through a checkpoint, assume the speeds are normally distributed such that μ= 61 miles per hour and δ=4 miles per hour. Calculate the Z value for the next car that passes through the checkpoint will be traveling slower than 65 miles per hour.

Answers

Answer:

$Z = 1$

Step-by-step explanation:

Z - score

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = (X - \mu)/(\sigma)$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

$\mu = 61, \sigma = 4$

Calculate the Z value for the next car that passes through the checkpoint will be traveling slower than 65 miles per hour.

This is Z when X = 65. So

$Z = (X - \mu)/(\sigma)$

$Z = (65 - 61)/(4)$

$Z = 1$

Translate into a variable expression.the square of the difference between a number n and fifty

Answers

Answer:

f(n)= (n-50)²

Step-by-step explanation:

The difference between a number n and fifty:

n - 50

Square of this difference:

(n-50)²

It would look like this as variable expression:

f(n)= (n-50)²

System AAA \text{\quad}start text, end text System BBB \begin{cases}4x+16y=12\\\\x+2y=-9\end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ 4x+16y=12 x+2y=−9 \begin{cases}4x+16y=12\\\\x+4y=3\end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ 4x+16y=12 x+4y=3 1) How can we get System BBB from System AAA?

Answers

Answer:

i am aware that this is already answered but here is proof that the person above is correct!

Step-by-step explanation:

Answer: A), No

Step-by-step explanation:

Pls help 5[9+3(3.2-3)]

Answers

Answer:

Step-by-step explanation:

3.2 - 3 = .2

3(.2) = .6

9 + .6 = 9.6

5 * 9.6 = 48

This is the working for the answer that is 48

5 ( 9 + 3 ( 3 - 3.2 ) )
5 ( 9 + 3 * 0.2 )
5 ( 9 + 0.6 )

5 * 9.6 = 48

Which fractions are equivalent to the fraction below? Check all that apply.
3/4 ??

Answers

Answer:

hi there !

The answer is "30/40"

because by dividing each nominator and denominator by "10" it gives 3/4

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