4 years ago

How can you use a generic rectangle to multiply two numbers

1 answer:

3 0

If you wanted to multiply 5 by 7, for example, you could draw a rectangle on squared paper with sides of 5 squares and 7 squares. You could then count the squares inside the rectangle which would give you the area which is the same as 5 times 7.

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I NEED HELP ASAP!! did i do correct??

Aleks [24]

Answer:

If I were to be honest I think you did it perfectly

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3 years ago

One number is seven less than four times the other number. The sum of the two numbers is 93. Find the numbers.

ivann1987 [24]

You can write the two equations x = 4y - 7 and x + y = 93; substitute the value of x into the other equation

(4y - 7) + y = 93; combine like terms

5y - 7 = 93; add 7 to both sides

5y = 100; divide both sides by 5

y = 20; substitute this value into the other equation

x + 20 = 93

x = 73

So the numbers are 20 and 73

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iren2701 [21]

$\dfrac{12y^7}{18y^{-3}} = \dfrac{2y^{7+3}}{3} = \dfrac{2y^{10}}{3} = \dfrac{2}{3}y^{10}$

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3 years ago

The Smith family made a 12-pound turkey for dinner. If each person will eat of a pound, how many

postnew [5]

It will take 12 people to finish the turkey

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