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AVprozaik [17]
2 years ago
5

What is the value of x? Enter your answer in the box. x =

Mathematics
1 answer:
Montano1993 [528]2 years ago
4 0

Answer:

x=9

Step-by-step explanation:

We have two similar triangles because both lines are parallel, use proportions to solve:

\frac{72}{9} =\frac{56}{3x-20}\\8=\frac{56}{3x-20}\\8(3x-20)=56\\3x-20=7\\3x=27\\x=9

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For which equations is x = 9 a possible solution? Check all that apply.
aliya0001 [1]
It's |x|=9 and |-x|=9.
8 0
3 years ago
Read 2 more answers
Elliot is buying groceries. He buys a bag of apples for 5.54, a loaf of bread for 2.49, and a jar of peanut butter for 3.73. Ell
zloy xaker [14]

Answer:


Step-by-step explanation:

First, you want to add up the subtotal together, so its 5.54+2.49+3.73, and adding those together you get 11.76 as your subtotal. To figure out change, you simply subtract your subtotal to the amount he paid in. For that it is 20-11.76, and that is 8.24

Elliot gets $8.24 in change.

Hope this helps.



7 0
3 years ago
Make fractions equal by writing a number in each box (equivalent)<br> 1/2 = / = / = / = / = /
Grace [21]
1/2 = 2/4 = 3/6 = 4/8 = 5/10 = 6/12

Let's think of this visually, as a pie. 
If you were to split a pie down the middle into two pieces and ate one slice, you would be eating half of it. 
Now, let's say you didn't eat one of those slices. You sliced the pie down the middle (vertically) and made another slice (horizontally). You would have 4 equal pieces. If you ate two slices that were side by side, you would still have had the same amount if you just sliced it once. If you were to keep slicing and eating, you'd be eating the same amount if you kept it to two pieces. 
Hope it helped! 
5 0
3 years ago
Read 2 more answers
Why isn't 20 over 100 proportional
Rina8888 [55]

It isn't proportional because it is not reduced to the lowest terms

Instead 20 over 100 = 1 over 5


Hope this helps!

6 0
3 years ago
Write an equation for a line parallel to y=2x-2 and passing through the point (1,1) Y=???? PLEASE HELP ANYONE
Rufina [12.5K]
The general equation for slope-intercept form is y = mx + b, where m = the slope of the equation, b = the y intercept, and x and y are your variables (and the coordinate points on the graph). 

Remember that for parallel lines, the slope, m, is the same for both equations. The equation you're given, y = 2x - 2, is already in slope-intercept form and the 2 in front of x is m, your slope. That means for whatever equation we come up with, m has to be 2. 

So far we know the equation for our parallel line is y = 2x + b. How do we figure out b? Plug in the (x, y) coordinate you're given, (1, 1) and solve for b:
y = 2x + b\\&#10;1 = 2(1) + b\\&#10;1 = 2 + b\\&#10;b = -1

Now we know b = -1. Put that into our y = 2x + b equation to get the final equation of your parallel line: 
Your final answer is y = 2x - 1.

5 0
3 years ago
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