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3 years ago

A recipe for cake needs ¾ of a cup of milk. You are making ½ of the recipe. How much milk do you need?

Mathematics

1 answer:

belka [17]3 years ago

4 0

Answer:

3/8 cups

Step-by-step explanation:

divide 3/4 by two

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F(-5) is 23-D
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2 years ago

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How much must you deposit in an account to earn $400 per year at 2% simple interest?

Strike441 [17]

Step-by-step explanation:

Simple interest is a method to calculate the amount of interest charged on a sum at a given rate and for a given period of time.

...

Simple Interest Example:

Simple Interest

1 Year S.I = (1000 ×5 × 1)/100 = 50

2 Year S.I = (1000 × 5 × 2)/100 = 100

3 Year S.I = (1000 ×5 × 3)/100 = 150

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2 years ago

Find the average value of the function on the given interval.<br> f(x)=2 ln x; [1,e]

JulijaS [17]

Answer:

$f_{avg}=\frac{1}{e-1}$

Step-by-step explanation:

We are given that a function

$f(x)=2lnx$

We have to find the average value of function on the given interval [1,e]

Average value of function on interval [a,b] is given by

$\frac{1}{b-a}\int_{a}^{b}f(x)dx$

Using the formula

$f_{avg}=\frac{1}{e-1}\int_{1}^{e}lnx dx$

By Parts integration formula

$\int(uv)dx=u\int vdx-\int(\frac{du}{dx}\int vdx)dx$

u=ln x and v=dx

Apply by parts integration

$f_{avg}=\frac{1}{e-1}([xlnx]^{e}_{1}-\int_{1}^{e}(\frac{1}{x}\times xdx))$

$f_{avg}=\frac{1}{e-1}(elne-ln1-[x]^{e}_{1})$

$f_{avg}=\frac{1}{e-1}(e-0-e+1)=\frac{1}{e-1}$

By using property lne=1,ln 1=0

$f_{avg}=\frac{1}{e-1}$

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2 years ago

3. Roberto wants to reduce a drawing that is 12 inches long by 9 inches wide. If his new drawing is 8 inches long, how wide will

Aleonysh [2.5K]

Answer:5 inches wide

Step-by-step explanation:

12-8 (long)=4

9-4 (getting the new drawings length so you subtract)=5

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3 years ago

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Anettt [7]

Answer:

6, 12, 21, 10, then 4

Step-by-step explanation:

This is more difficult to answer than you would think, you can't actually see the picture when typing the answer

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2 years ago

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