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2 years ago

Helpppppppp plzzzzzzzzzzzzzzzzzzzz

Mathematics

2 answers:

Luden [163]2 years ago

5 0

Fourteen square units

kari74 [83]2 years ago

5 0

Answer:

14 sq units

Step-by-step explanation:

2 units by 7 units is 14 square units

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Hadley has a 1/2 kg of popcorn she divides the popcorn into three equal bags how many kilograms of popcorn with each bag

Cerrena [4.2K]

$\frac{1}{2} / \frac{3}{1} = \frac{1}{2} * \frac{1}{3} = \frac{1}{6}$
So each bag will contain 1/6 kilogram of popcorn

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2 years ago

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2 years ago

Ameer uses \dfrac14 4 1 start fraction, 1, divided by, 4, end fraction of a bottle of shampoo to give each of his dogs a bath.

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2 years ago

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Step-by-step explanation:

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3 years ago

A car is driving away from a crosswalk. The formula d = t2 + 2t expresses the car's distance from the crosswalk in feet, d, in t

alukav5142 [94]

Answer:

8 feet per second.

Step-by-step explanation:

We have been given that a car is driving away from a crosswalk. The formula $d=t^2+2t$ expresses the car's distance from the crosswalk in feet, d, in terms of the number of seconds, t, since the car started moving.

We will use average change formula to solve our given problem.

$\text{Average change}=\frac{f(b)-f(a)}{b-a}$

$\text{Average change}=\frac{d(5)-d(1)}{5-1}$

$\text{Average change}=\frac{(5)^2+2(5)-((1)^2+2(1))}{4}$

$\text{Average change}=\frac{25+10-(1+2)}{4}$

$\text{Average change}=\frac{35-3}{4}\\\\\text{Average change}=\frac{32}{4}\\\\\text{Average change}=8$

Therefore, the the car's average speed over the given interval of time would be 8 feet per second.

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2 years ago