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dezoksy [38]
3 years ago
13

Plzzz help!!!! DUE TODAY!!!!! IM DESPERATE!!! WILL GIVE BRAINLIEST!!!!!! Use the values x=−0.5, 0, 1 to prove your solution to t

he equation 5+x−12=2x−7. In your final answer, include all of your calculations.
Mathematics
1 answer:
Neko [114]3 years ago
3 0
I'm not really sure what you were asking, so I just tried to answer everything? Let me know if you need me to do anything else. Have a great day! :)

x=-0.5
5+(-0.5)-12=2(-0.5)-7
4.5-12=-1-7
-7.5=-8
(not true)
x=1
5+(1)-12=2(1)-7
6-12=2-7
-6=-5
(not true)

x=0
5+0-12=2(0)-7
5-12=0-7
-7=-7
(true)

solution to the equation:
5+x-12=2x-7
5-12=x-7
-7=x-7
x=0
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Step-by-step explanation:

The smallest number of degrees is the smallest angle

53 is the smallest number

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A garden supply store sells two types of lawn mowers. Total ales of mowers for the year were $8379.70. The total number of mower
Anestetic [448]

Answer:

The number of small mowers are 19 and the large mowers are 11.

Step-by-step explanation:

Given:

A garden supply store sells two types of lawn mowers. Total sales of mowers for the year were $8379.70. The total number of mowers sold the 30. The small mower cost $249.99 and the large mower costs $329.99.

Now, to find the number of each type of mower sold.

Let the number of small mower be x.

And the number of large mower be  y.

So, total number of mowers are:

x+y=30

x=30-y\ \ \ ....(1)

Now, the total sales of mowers are:

249.99(x)+329.99(y)=8379.70

Substituting the value of x from equation (1) we get:

249.99(30-y)+329.99y=8379.70

7499.7-249.99y+329.99y=8379.70

7499.7+80y=8379.70

<em>Subtracting both sides by 7499.7 we get:</em>

80y=880

<em>Dividing both sides by 80 we get:</em>

y=11.

The number of large mower = 11.

Now, to get the number of small mowers we substitute the value of y  in equation ( 1 ):

x=30-y\\x=30-11\\x=19.

The number of small mower = 19.

Therefore, the number of small mowers are 19 and the large mowers are 11.

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3 years ago
Solve P = P - C for C
Rina8888 [55]

Answer:

c=0

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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