3 years ago

A recipe calls for 1 ½ pints of water. How many cups would you use?

Mathematics

1 answer:

Mademuasel [1]3 years ago

6 0

Answer:

3 cups

Step-by-step explanation:

We can set up and equation.

1 1/2 pints/1 * 2 cups/1pints

So, 1 1/2 * 2 = 3 cups.

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This is the answer

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3 years ago

angel has 4/8 yard of ribbon and Lynn has 3/4 yard of ribbon. do angel and Lynn have the same amount of ribbon

Licemer1 [7]

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3 years ago

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A sprinter who weighs 706 N runs the first 5.5 m of a race in 1.6 s, starting from rest and accelerating uniformly. What are the

zhenek [66]

Answer:

(a) Speed = 6.875 m/s

(b) Kinetic Energy = 1.70 kJ

Step-by-step explanation:

Given:

d = 5.5 m

t = 1.6 s

W = 706 N

Part (a)

Using the equation of motion with the assumption of zero initial speed:

$d = \frac{1}{2} ({v-0})t$

$5.5= \frac{1}{2} (1.6v)$

The speed of the sprinter then become:

$v = 6.875 m/s$

Part (b)

Convert the weight of the sprinter to mass:

$m = \frac{w}{g}$

$m = \frac{706}{9.8}$

$m = 72 kg$

KE (Kinetic Energy) can then be calculated as:

$KE = \frac{1}{2} mv^{2}$

$KE = \frac{1}{2} (72)(6.875)^{2}$

$KE = 1701.56 J = 1.70 kJ$

Part (c)

The change of the kinetic energy is equivalent to the work done by the sprinter. The average power P is the rate of the work done and can be calculated as

$P = \frac{KE}{t} \\\$

$P = \frac{1701.56}{1.6}$

$P = 1063.48 W = 1.06 kW$

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3 years ago

Which of the following expressions is equivalent to 12x - 3 + 2x +13

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Answer:

Are there multiple choice options? If so, please include them. That way I will actually be able to help you :)

Step-by-step explanation:

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There are four consecutive integers. The sum of the first and third number is 140. what are the integers? please show work:)

marta [7]

69, 70, 71, and 72
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3 years ago