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svlad2 [7]
2 years ago
10

How do I make both these equations into a elimination equation? Look at the pic I’m very confused!

Mathematics
1 answer:
qwelly [4]2 years ago
6 0

Answer:

Step-by-step explanation:

c + a = 342 ..................... <em>(1)</em>

5c + 12a = 2550 ........... <em>(2)</em>

- 5 × <em>(1)</em> + <em>(2)</em>

7a = 840

<em>a = 120</em>

<em>c</em> = 342 - 120 <em>= 222</em>

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Inga [223]

Answer:

C. c+0.15c

Step-by-step explanation:

Raising her rate by 15% is equivalent to adding 15% of what she charged before to the original price.

8 0
2 years ago
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Find the surface area of the triangular prism please.
Kobotan [32]
Surface area =  area of 3 rectangles + 2 triangles

            =  3*(3*7) + 2 * ( 1/2 * 3 * 2.6)

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3 0
3 years ago
The greater rnge is the boys or the grls or neither as it is the same
maks197457 [2]
Range for boys = 20-8 = 12
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median for girls = 6.5
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Hope it helps!

5 0
3 years ago
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A model is going to be built of a sports car that is 132 inches long and 66 inches high. If the scale is 1:12, what will be the
taurus [48]
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Hope this helps!
4 0
3 years ago
Round to the nearest hundredth 4.1553
nirvana33 [79]

Answer:

4.16

Step-by-step explanation:

4.16

because thousanth is 5

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