2 years ago

Write y^2 - y^4 without exponents

Mathematics

1 answer:

True [87]2 years ago

7 0

Answer:

y•y-y•y•y•y

Step-by-step explanation:

y^2 is equal to y•y and y^4 is equal to y•y•y•y.

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the length of a rectangle is 3 times its width. the perimeter is 55. find the length and width of the rectangle

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Step-by-step explanation: L= length w= width p= perimeter

L=3W p=55CM

P. of rectangle= 2(l+w)=55cm

L+w= 55/2= 27.5 cm

3w+w=27.5cm

4w=27.5cm

w=27.5/4=6.875cm w=6.875cm L= 3w=6.875*3=20.625cm

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2 years ago

Kool-aide is made from flavored powder and water, with the ratio of powder to water 3:2 based on weight. If 120g of flavored pow

MAXImum [283]

The given ratio of powder to water is 3:2 based on weight for Kool-aide. It is also given that 120g of flavored powder is needed for a certain amount of Kool-aide.

Let us assume that the amount of water (by weight) required to maintain the given ratio of 3:2 be represented by the letter $x$ . Thus, from the given information we can conclude that:

$\frac{Powder Weight}{Water Weight}=\frac{3}{2}=\frac{120}{x}$

$\therefore \frac{3}{2}=\frac{120}{x}$

Cross-multiplying we get:

$3x=240$

$\therefore x=\frac{240}{3}=80$ grams.

Thus, the amount of water in grams in that Kool-aide is 80 grams.

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3 years ago

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