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Aleonysh [2.5K]

3 years ago

6

Kareem inserted 2 quarts into a dryer at a laundromat, and the dryer ran for 12 minutes. at this rate, for how long would the dr

yer have run if Kareem had inserted 8 quarts instead?

1 answer:

NISA [10]3 years ago

3 0

If Kareem put 8 quarts the dryer will run for 48 minutes
Hope this helps

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An auto parts chain asked customers to complete a survey rating the chain's customer service as average, above average, or below

Mandarinka [93]

Answer:

The right answer is "0.33".

Step-by-step explanation:

As per the question,

n = 15

Average will be "x = 5"

Now,

The required proportion will be:

⇒ $p=\frac{x}{n}$

By putting the values, we get

⇒ $=\frac{5}{15}$

⇒ $=0.33$

Thus, the above is the appropriate solution.

8 0

3 years ago

A cylindrical cake with a height of 5 inches has a 30 degree slice removed. If the volume of the removed slice is 40 inches what

sesenic [268]

Answer: $5.52\ in.$

Step-by-step explanation:

Given

Height of cylindrical cake is $h=5\ in.$

$30^{\circ}$ slice is removed

Volume of the slice is $V=40\ in.^3$

Area of slice is

$\Rightarrow \dfrac{30^{\circ}}{360^{\circ}}\times \pi r^2\\\\\Rightarrow \dfrac{\pi r^2}{12}$

Volume of slice will be multiplication of area and height

$\Rightarrow V=A\times h\\\\\Rightarrow 40=\dfrac{\pi r^2}{12}\times 5\\\\\Rightarrow \pi r^2=\dfrac{40\times 12}{5}\\\\\Rightarrow r^2=\dfrac{40\times 12}{3.142\times 5}\\\\\Rightarrow r^2=30.55\\\Rightarrow r=5.52\ in.$

Hence, the radius of the cake is $5.52\ in.$

4 0

3 years ago

Using the quadratic formula to solve 2x^2 = 4x – 7, what are the values of x?

LekaFEV [45]

For this case we have the following quadratic equation:

$2x ^ 2 = 4x - 7$

Rewriting the equation we have:

$2x ^ 2 - 4x + 7 = 0$

From here, we have:

$a=2 b = -4c = 7$

Substituting values in the quadratic equation we have:

$x = \frac{-b+/-\sqrt{b^2-4ac}}{2a}$

$x = \frac{-(-4)+/-\sqrt{(-4)^2-4(2)(7)}}{2(2)}$

Rewriting the equation we have:

$x = \frac{4+/-\sqrt{16-56}}{4}$

$x = \frac{4+/-\sqrt{-40}}{4}$

$x = \frac{4+/-\sqrt{-4*10}}{4}$

$x = \frac{4+/-2i\sqrt{*10}}{4}$

$x = \frac{2+/-i\sqrt{*10}}{2}$

Answer:

The values of x are given by:

$x = \frac{2+i\sqrt{*10}}{2}$

$x = \frac{2-i\sqrt{*10}}{2}$

3 0

3 years ago

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if there are three basketballs for every seven students at Elko then how many students are there if the storeroom has 49 basketb

lbvjy [14]

I have to believe it is 21

4 0

3 years ago

How many centimeters is a piece of paper that measures 12 inches? centimeters?

viktelen [127]

Well, there are 2.54 centimeters in an inch, so if you multiply 12 by 2.54, you get 30.48, which would be how many centimeters there are in 12 inches. Hope this helps!

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3 years ago