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Aleksandr-060686 [28]
3 years ago
15

Someone please help me on this math problem!

Mathematics
1 answer:
Galina-37 [17]3 years ago
3 0

Look at the picture.

Therefore we have the equation:

10y - 29 = 7y + 19       <em>add 29 to both sides</em>

10y = 7y + 48          <em>subtract 7y from both sides</em>

3y = 48      <em>divide both sides by 3</em>

y = 16



3x + 7 = 5x - 21            <em>subtract 7 from both sides</em>

3x = 5x = -28         <em>subtract 5x from both sides</em>

-2x = -28     <em>divide both sides by (-2)</em>

x = 14

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Find the value of x.<br> (x + 30)
taurus [48]

Answer:

x=55

Step-by-step explanation:

The exterior angles of a polygon add to 360.

x+x+x+x+x+x+30 = 360

Combine like terms

6x+30 = 360

Subtract 30 from each side

6x+30-30 = 360-30

6x = 330

Divide by 6

6x/6 =330/6

x =55

8 0
3 years ago
It costs $198.00 to buy beef to make 300 meatballs. What will the cost be<br> to make 120 meatballs?
Vika [28.1K]

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3 0
3 years ago
Help I don’t no question 1
alukav5142 [94]

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The answer would be D+ 38.4 cm

Step-by-step explanation:

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5 0
3 years ago
2
kotykmax [81]

Answer:

16.5 hours

Step-by-step explanation:

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Solve for x to find out how many hours Eva needs to work to buy the bicycle.

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198/12 = (12x)/12

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Eva needs to work 16.5 hours to be able to buy the bikw.

6 0
3 years ago
If h(x) = x - 7 and g(x) = x^2 , which expression is equivalent to (gOh)(5)?
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7 0
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