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2 years ago

3 x 5 = 15 Write a related multiplication fact.

Mathematics

1 answer:

Talja [164]2 years ago

3 0

The related multiplication fact to 3 x 5 = 15 is 4 x 3 = 12

<h3>Multiplication Facts</h3>

Given:

3 x 5 = 15

The expression a x b = c means that a is added to itself b times to give c

3x 5 means adding 3 in 5 places

That is:

3 x 5 = 3 + 3 + 3 + 3 + 3

A related multiplication fact is:

4 x 3 = 12

This is true because:

4 x 3 = 4 + 4 + 4 = 12

Learn more on multiplication facts here: brainly.com/question/10873737
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4 years ago

Rachel has tossed a fair coin ten times. It landed heads up every time. Is this LIKELY?<br> Explain

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Step-by-step explanation:

Rachael getting a head every time she tosses a coin ten times is unlikely.

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3 years ago

Mindy makes an annual salary of $24,590. What is the maximum monthly rent she could afford to pay?

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3 years ago

Read 2 more answers

Autumn is working two summer jobs making $16 per hour tutoring and making $12 per hour landscaping.In a giving week she can work

Darya [45]

Answer:

{13,14}

Step-by-step explanation:

Let

x ----> number of hours per week of tutoring

y ----> number of hours per week of landscaping

we know that

She can work no more than 17 hours

$x+y\leq 17$ -----> inequality A

She must earn at lest $240

The term " at least" means, "greater than or equal to"

$16x+12y\geq 240$ ----> inequality B

If Autumn worked 3 hours landscaping

then

$y=3\ hours$

substitute in the inequality A and in the inequality B

<em>Inequality A</em>

$x+3\leq 17\\x \leq 17-3\\x\leq 14\ hours$

Inequality B

$16x+12(3)\geq 240\\16x\geq 240-36\\x\geq 12.75\ hours$

The solution of the system is the interval {12.75,14]

All possible values for the number of whole hours tutoring that she must work to meet her requirements are

{13,14}

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3 years ago