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Cloud [144]
3 years ago
5

Solve the equation 5a+5=30

Mathematics
2 answers:
natka813 [3]3 years ago
6 0

Answer:

a=5

Step-by-step explanation:

30-5=25

25÷5=5

a=5

Akimi4 [234]3 years ago
4 0

Answer: a = 5

Step-by-step explanation:

5a + 5 = 30

-5 -5

5a = 25

/5 /5

a = 5

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Mandarinka [93]

Answer:

x²/25 + y²/9 = 1  or 9x² + 25y² = 225

Step-by-step explanation:

We have two points which is y intercepts (0,-3) and (0,3).

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These two points are vertical top of the ellipse which they give us value of half secondary axis  b = 3

The length of major axis is 2a = 10 => a = 10/2 = 5 => a = 5

The equation of the ellipse is:

x²/a² + y²/b² = 1  or b²x² + a²y² = a²b²

When we replace value of a and b we get:

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x²/25 + y²/9 = 1  or 9x² + 25y² = 225

God with you!!!

8 0
3 years ago
Fred completed 10 math problems this is 40% of the math problems he must do how many are left??
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Answer:

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