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Jobisdone [24]
3 years ago
14

Given the figure below,find the value of x and z

Mathematics
1 answer:
iris [78.8K]3 years ago
6 0

Step-by-step explanation:

z=99°

15x + 36 + 99=180

15x+135=180

15x=180-135

15x=45

divide by 15

x=3

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Which expression is equivalent to (see attachment)
Kobotan [32]

Answer:

  see below

Step-by-step explanation:

8 can be factored from each of the terms of the sum. (It's the distributive property.)

  8·0 + 8·1 + 8·2 + ... + 8·26 + 8·27

  = 8·(0 +1 +2 + ... +26 +27)

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Mark Borrowed $5,500 at 11.5 percent for 5 years (2.199) what is the amount of Marks total payment?
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Let I am interest, r rate, t time and p principle,

l= prt

l= 5500(.115)(5 )= $3162.5 is the total amount of interest to pay.


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Margie's car can go 3232 miles on a gallon of gas, and gas currently costs $4$4 per gallon. How many miles can Margie drive on $
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4 0
3 years ago
What is the value of x when y equals 2 in the equation y equals x over 4 - 7
Alex

The value of x when y = 2 is x = 36

Step-by-step explanation:

The equation that we have in this problem is:

y=\frac{x}{4}-7

In order to find the value of x when y is equal to

y = 2

We need to re-arrange the equation making x the subject.

We proceed as follows:

1) We add +7 on both sides:

y+7=\frac{x}{4}-7+7\\y+7=\frac{x}{4}

2) Now we multiply both  sides by 4:

4(y+7)=\frac{x}{4}\cdot 4\\x=4(y+7)

3) Now we can substitute y = 2 and find the value of x:

x=4(2+7)=4(9)=36

Learn more about equations:

brainly.com/question/13168205

brainly.com/question/3739260

#LearnwithBrainly

5 0
3 years ago
-3x-y=-17 4x + 2 y equals 20
ExtremeBDS [4]
-3x - y = -17
4x + 2y = 20

multiply one part of the equation so that we can be able to use the process of elimination.

(-3x - y = -17)2
4x + 2y = 20

Now we have:

-6x -2y = - 34
4x+2y= 20
------------------------
-2x = -14

Divide -2 on both sides.

-2x = -14
/-2       /-2

x = -7.


=============================================

To solve for y, we just have to substitute the value of x to any of the equation given above, that we feel comfortable with. And I'm going to choose this equation: 4x + 2y = 20


4x + 2y = 20

4(-7) + 2y = 20

-28 + 2y = 20

Add 28 on both sides

-28 + 2y = 20
+28          +28
---------------------
2y = 48
/2      /2

y = 24.


The last thing you would do is to check if the answers is correct.
All you have to do is plug in the values of x and y into both equations and see if they equal to one another.

You may have to do this by yourself :P

Anyways, if you have any questions about this topic, feel free to PM me or any other users interested. Thank you for being part of Brainly! Have a nice day!










4 0
3 years ago
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