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xz_007 [3.2K]
2 years ago
8

7. A spherical balloon has a circumference of 25 cm.

Mathematics
1 answer:
Kitty [74]2 years ago
3 0

Answer:

surface area of the balloon is 199 cm^2

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Can someone help me with this?
defon
Y = 15

Because it’s going to every time by 15
5 0
3 years ago
Maggie's brother is 3 years younger than twice her age the sum of their ages is 24. how old is Maggie?
Likurg_2 [28]

For this case, the first thing we must do is define variables.

We have then:

x: Maggie's age

y: Age of Maggie's brother

We write the system of equations that models the problem.

We have then:

y = 2x-3\\x + y = 24

We solve the system of equations.

For this, we use substitution:

x + (2x-3) = 24

From here, we clear the value of x:

3x - 3 = 24\\3x = 24 + 3\\3x = 27

x = \frac{27}{3}\\x = 9

Answer:

Maggie is 9 years old

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3 years ago
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arlik [135]

Answer:

13.375

Step-by-step explanation:

you have to add 28 ± 17 = 45 ± 8.857 = 13.375

6 0
3 years ago
Write the ratio as a fraction in simplest form.<br><br>56 days to 5 weeks​
eduard

Answer: 8 weeks

Step-by-step explanation:

8 0
3 years ago
Why doesn’t inverse variation have no x and y intercept?
kirill115 [55]

Answer:

Since k is constant, we can find k given any point by multiplying the x-coordinate by the y-coordinate. For example, if y varies inversely as x, and x = 5 when y = 2, then the constant of variation is k = xy = 5(2) = 10. Thus, the equation describing this inverse variation is xy = 10 or y = .

I hope this was the answer u were looking for.

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