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Elenna [48]
3 years ago
9

7(a-1)=45 what is the answer to that equation????

Mathematics
2 answers:
anastassius [24]3 years ago
6 0

Answer: a = 52/7

Step-by-step explanation:

remove the parentheses, move the constant to the right, calculate, then divide both sides

Nostrana [21]3 years ago
3 0

Answer:

The answer is, a = 52/7, or a = 7.42 in decimal form

Follow the steps below for better explanation:

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Which equation is the inverse of y = 100 - x??
denis-greek [22]

For this case we must find the inverse of the following function:

y = 100-x

To do this, we follow the steps below:

We exchange the variables:

x = 100-y

We clear the variable "x" (the variable is already cleared):

x = 100-y

We change "x" to "y":

y = 100-x

We change y for f^{-1}(x):

f^{-1} (x) = 100-x

ANswer:

f^{-1} (x) = 100-x

4 0
3 years ago
Michael drove 350 miles in 7 hours at a constant speed. Tell whether each statement is true or false. a. The unit rate for miles
faltersainse [42]

A. True B. False it would take 5 hours to go 250 miles going at 50mph C. True going at 50mph in about 3 hours he would have driven 150 miles D. False 300 divide by 50 is 7 but it took him 7 hours to get to his destination so it is false

I may be wrong i used this website here: https://www.timecalculator.net/speed-distance-time-calculator

And this one as well: https://researchmaniacs.com/Calculator/miles-mph-to-time/50/how-long-does-it-take-to-drive-350-miles-at-50-mph.html

Yes yes i did look all of this up i didn't want to steer you wrong ._.

3 0
3 years ago
1. Segment A'B' is parallel to segment AB. What is the length of segment BB'?
ella [17]

Answer:

A. 3.5

Step-by-step explanation:

Given that AB is parallel to A'B', therefore,

CB/CB' = CA/CA'

CB' = 7

CB = CB' + BB' = 7 + BB'

CA' = 6

CA = CA' + AA' = 6 + 3 = 9

Plug in the values

(7 + BB')/7 = 9/6

(7 + BB')/7 = 3/2

Cross multiply

2(7 + BB') = 7(3)

14 + 2BB' = 21

Subtract 14 from both sides

2BB' = 21 - 14

2BB' = 7

Divide both sides by 2

BB' = 7/2

BB' = 3.5

5 0
3 years ago
2.What is the most precise name for quadrilateral ABCD with vertices A(-2,4), B(5,6), C(12,4), and D(5,2)?
Brums [2.3K]
1) The answer is B, 2) the answer is D, method just put all points and get know the graph of each quadrilateral
3) the measure of one angle in a regular n-gon is given by the following  main formula  measure of interior angle= (n-2)*180°/n,
so for n=16, we have 14*180°/16=157.5°
4) the answer is A, because 360/5=72 > 40=360/9
7 0
3 years ago
7.) There were thirty-eight bales of hay in the barn. Dylan stacked more bales in the barn
hjlf

Answer:

61 bales of hay

Step-by-step explanation:

38 + 61 = 99

5 0
3 years ago
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