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3 years ago

Use a form of the distributive property to rewrite the algebraic expression without parentheses. 1/5(9x-20)

Mathematics

2 answers:

Dima020 [189]3 years ago

3 0

Answer:

9/5x-4

Step-by-step explanation:

mylen [45]3 years ago

3 0

Answer:

Easy

Step-by-step explanation:

1/5(9x-20)

We distribute the 1/5 over the 9x and -20

1/5 x 9x = 9/5x

-20 x 1/5 = -4

So the answer is:

9/5x - 4

You can check this by plugging in a number (I used 1) for x in the original equation and the final equation. Each time your answer will be -11/5 meaning that the process was done correctly and that both equations are equal.

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ss7ja [257]

Answer:

a. $\frac{3}{4}$ teaspoons

Step-by-step explanation:

You didn't show in the image that each batch makes 12 cupcakes, but I remember that from the other problems of yours that I helped with.

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3 years ago

BRAINLIEST:<br> x * 36 = 144

diamong [38]

Answer: The answer is 4.

Step-by-step explanation:

4 * 36 = 144

144 / 36 = 4

Hope this helps you!

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2 years ago

Use the graph of the quadratic function to identify the solutions when y = 0.

ludmilkaskok [199]

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3 years ago

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2 years ago

Among all pairs of numbers with a sum of 238238, find the pair whose product is maximum. Write your answers as fractions reduced

mylen [45]

Answer:

$x=119119,\;\;\;y=119119$

Step-by-step explanation:

Let the $x$ be the first number, $y$ be the second number and $p$ be the product of the first and second number.

i.e $x+y=238238$ $\Rightarrow x=238238-y$

$p=xy$

$\Rightarrow p=(238238-y)y\\\Rightarrow p=238238y-y^2$

$\Rightarrow \frac{dp}{dy} =238238-2y\\\Rightarrow 0=238238-2y\\\Rightarrow 2y=238238\\\Rightarrow y=119119$

Now,

$x=238238-119119\\\\ \Rightarrow x=119119$

Hence, $x=119119,\;\;\;y=119119$

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2 years ago