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alekssr [168]
3 years ago
8

-5x(x+4)=-2(2x+1)=

mula1" title=" - 5(x + 4) = - 2(2x + 1)" alt=" - 5(x + 4) = - 2(2x + 1)" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Alisiya [41]3 years ago
7 0

Answer:

x = -18

Step-by-step explanation:

Please, share the instructions when you post a problem.  I can only assume here that you want to solve the given equation for x.

Multiplying out this equation, we get:

-5x - 20 = -4x - 2

Then:

-x = 18 and x = -18.

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12 31/100 is the mixed fraction because in a decimal all the numbers to the left are whole numbers and all the numbers to the right are numbers that are part of a whole. Just like in a mixed fraction there is a whole number and a fraction in a mixed number. Since 12 is in the left it is the whole number and since 31 is to the right and in the place value 31 is ending in the hundredths place so that's why the fraction is, 31/100. That's how you came to know that 12 31/100 is the fraction for 12.31.
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3 years ago
An ice cream factory makes 350 quarts of ice cream in 2 hours. How many quarts could be made in 36 hours? What was that rate per
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8 0
3 years ago
Ice Cold Creamery will give a free ice cream maker to anyone who spends at least $100 on buckets of ice cream and frozen yogurt.
kotykmax [81]

Given:

Free ice cream maker to anyone who spends at least $100 on buckets of ice cream and frozen yogurt.

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Each bucket of frozen yogurt costs $8.21.

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The inequality represents number of ice cream and frozen yogurt that she may buy in addition to get a free ice cream maker.

Solution:

Let i be the number of buckets of ice cream and y be the number of buckets of frozen yogurt.

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Divide both sides by 8.21.

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Therefore, the required inequality is y\geq \dfrac{100-7.28i}{8.21}.

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2 years ago
What is the value of x in the equation 4x + 8y = 40, when y = 0.8?
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Step-by-step explanation:

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