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3 years ago

Shelly's age plus Mary's age is less than 36. Mary is 15 years old. Write the equation thatrepresents the problem.

Mathematics

2 answers:

soldier1979 [14.2K]3 years ago

5 0

Answer:

Shelly's age is less than 21

Step-by-step explanation:

S+15 < 36

S < 21

lord [1]3 years ago

4 0

sorry I answered wrongly

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4 years ago

1/8 + 5/8?

Ronch [10]

Answer:

6/8

4/10

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Step-by-step explanation:

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3 years ago

Molly spent 1 hour and 30 minutes swimming 5 laps in the river. If it took her the same time to swim each lap, how long would it

-Dominant- [34]

Answer:

126 minutes or 2 hours and 6 minutes

Step-by-step explanation:

Find how long it took her to swim one lap

1 hour and 30 minutes = 90 minutes

90/5 = 18

This means it took her 18 mins to swim each lap

18 · 7 = 126

It took her 126 minutes/2 hours and 6 minutes to swim 7 laps

3 0

4 years ago

What is the answer to the question -4•-10

Elis [28]

The answer is 40.
Because when you multiply 2 numbers, it becomes a positive number.(-4x10 or -2x3)
But if it were only one negative and positive then it would be negative because the answer is negative when you multiply by one negative number.

5 0

3 years ago

Please tell me answer! i’ll give brainliest

NemiM [27]

Answer:

<em>Answer: B. It is a perfect square</em>

Step-by-step explanation:

<u>Radical Expressions</u>

Melissa multiplied $\sqrt{a}$ and $\sqrt{b}$ and got a rational number.

We are also given that a and b are both natural numbers. It means their product must be not only rational but also a natural number.

We can write that product like:

$\sqrt{a} \cdot \sqrt{b}=\sqrt{a\cdot b}$

If the result is a natural number, then the product of a and b must be a perfect square. so the radical disappears.

Answer: B. It is a perfect square

6 0

3 years ago