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marta [7]
3 years ago
15

A number is 9 more than another number. Twice the sum of the two numbers is 10. Find the two numbers.

Mathematics
1 answer:
Brrunno [24]3 years ago
4 0

Step-by-step explanation:

the formula can be;

X+9x=10

10x=10X=10/10=1

X=1+9(1)=1+9=10 Answer

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The sllope-intercept form:

y=mx+b


6y-12=14x          <em>add 12 to both sides</em>

6y=14x+12      <em>divide both sides by 6</em>

y=\dfrac{14}{6}x+\dfrac{12}{6}\\\\\boxed{y=\dfrac{7}{3}x+2}

5 0
3 years ago
The area of a parallelogram is 216 cm². The height of the parallelogram is 2/3 of its base. Find the base and height.
grin007 [14]
2 equations, 2 unknowns. Call height H and base B.

From the first sentence:
HB = 216

From the second sentence:
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Plug the second into the first and solve for B:
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3 0
3 years ago
When you work for 3 hours and get 46.50$ how much will you get working for 7 hours
denis23 [38]

Answer:

108.5

Step-by-step explanation:

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6 0
3 years ago
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Anvisha [2.4K]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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aleksley [76]

Answer:

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Step-by-step explanation:

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