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Licemer1 [7]
3 years ago
11

Someone give me the answer

Mathematics
1 answer:
Mademuasel [1]3 years ago
5 0

We want to begin with nine, which gives us as follows:

9

Then, we want to subtract:

9 -

And we are subtracting x:

9 - x

The expression is 9 - x for the steps in the image given.

Hope this helps!! :)

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What value of x will make the given triangles congruent?
Molodets [167]
Because you're trying to make them congruent, equal the two expressions to each other. 

So, for #10 you would equal them so it would look like this. 
2x+2=5x-19

Then you would just go ahead and simplify

2x+2=5x-19
-2x     -2x
---------------
2= 3x -19
+19    +19
---------------
21=3x
---  ----
3     3

x=7

This means that x should be 7. You can check this just by plugging it in

2x+2
2(7)+2 = 16

5x-19
5(7)-19= 16

Same with #11.

x+8=3x-14
-x     -x
--------------
8=2x-14
+14   +14
--------------
22=2x
---  ----
2     2

x=11

Check. 

x+8
11+8= 19

3x-14
3(11) - 14 = 19
6 0
3 years ago
If your car gets 27.6 mi/gal, how many gallons of gasoline would you use if you drove 552.4 miles
valina [46]
The mileage is 27.6 mi/gal
Miles driven = 552.4 mi

Calculate gallons used.
gallons = \frac{552.4 \, mi}{27.6 \, mi/gal} = 20.015 \, gal

Answer: 20.015 gallons  (approximately 20 gallons)

7 0
3 years ago
Read 2 more answers
You are planning a party. You want to rent a snow cone machine, and the snow cone company charges a $25 set-up fee plus $15 per
dezoksy [38]
The answer would be 15h+25 because h isthe variable representing hours and they charge $15 for every hour. And also, the plus 25 is for the setup fee.
5 0
3 years ago
Read 2 more answers
What is the y-value to the solution of y = 5x -4 and y = 2x + 8
Fiesta28 [93]

Answer:

At the bottom!

Step-by-step explanation:

Put the two equations into the same standard form:

2x-y=8

-5x+2y=3

Now if you add the two equations up, guess what will happen?

You will "eliminate" the y variable, and only be left with the x variable.

Technically, you will get:

2x-y+2+28-5x+29+2y=8+23

-3x+20y=11

-3x=11

6 0
2 years ago
What is the area?<br> diameter of circle is 7 m
spayn [35]

Answer:

the area is 52.49

Step-by-step explanation:

triangle

radius is 3.5

3.5x19=66.5÷2=33.25

hemisphere

π3.5squared=38.48

38.48÷2=19.24

33.25+19.24= 52.49

8 0
2 years ago
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