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2 years ago

Rewrite 2/7 and 1/4 so they have a common denominator

Mathematics

1 answer:

Zolol [24]2 years ago

8 0

I think it’s 2/7=8/28 1/4=7/28

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The center of Walden’s data, 3, is less than the center of Drake’s data set, 6.

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3 years ago

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HELP PLEASE

Jet001 [13]

Answer:

c $11,751

Step-by-step explanation:

The function that models Alicia's car is

$f(x) = 21000(0.93)^{x}$

where x represents the number of years since she purchased the car.

We want to find the value of Alicia's car after 8 years.

We substitute x=8 into the formula to get:

$f(8) = 21000(0.93)^{8}$

$f(8) = 21000(0.5596)$

$f(8) = 11751.218$

We round to the nearest dollar to get:

$f(8) =11751$

The correct answer is C.

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3 years ago

Every 2/3 hour, Harris can sew 1/6 pair of jeans.

Lera25 [3.4K]

.25 or 1/4
i hope that this answer helps you today

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3 years ago

Water pours into a tank at the rate of 2000 cm3/min. The tank is cylindrical with radius 2 meters. How fast is the height of wat

Gennadij [26K]

Volume of water in the tank:

$V=\pi (2\,\mathrm m)^2h=\pi(200\,\mathrm{cm})^2h$

Differentiate both sides with respect to time t :

$\dfrac{\mathrm dV}{\mathrm dt}=\pi(200\,\mathrm{cm})^2\dfrac{\mathrm dh}{\mathrm dt}$

V changes at a rate of 2000 cc/min (cubic cm per minute); use this to solve for dh/dt :

$2000\dfrac{\mathrm{cm}^3}{\rm min}=\pi(40,000\,\mathrm{cm}^2)\dfrac{\mathrm dh}{\mathrm dt}$

$\dfrac{\mathrm dh}{\mathrm dt}=\dfrac{2000}{40,000\pi}\dfrac{\rm cm}{\rm min}=\dfrac1{20\pi}\dfrac{\rm cm}{\rm min}$

(The question asks how the height changes at the exact moment the height is 50 cm, but this info is a red herring because the rate of change is constant.)

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3 years ago

The histogram shows the number of morning customers who visited North Cafe and South Cafe over a one-month period. Which predict

vlabodo [156]

The answer to the question is

B. The north restaurant can expect to have 20 fewer morning visitors than the south restaurant.

Hope this helps!

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