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swat32
3 years ago
8

Uma base de uma piramide é um retângulo 10cm × 18cm. sabendo que sua altura mede 12cm e tem por pé o centro da abse obtenha:

Mathematics
1 answer:
Zolol [24]3 years ago
7 0
Shakin my head like yeah i have no idea
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Solve the question.<br> –3 + x = 11
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3 years ago
Can someone help me with this: Eighty, decreased by three times an number, is the same as five times the number, increased by ei
enot [183]

Eighty, decreased by three times an number, is the same as five times the number, increased by eight. Then the number is 9

<h3><u>Solution:</u></h3>

Given that eighty, decreased by three times an number, is the same as five times the number, increased by eight

<em><u>To find: the number</u></em>

Let the required number be "a"

Let us break the given sentence

<em>Eighty decreased by three times an number = five times the number increased by eight</em>

Here "times" represents multiplication and "decreased" represents subtraction and "increased represents "addition"

80 - three times "a" = 5 times "a" + 8

80 - 3a = 5a + 8

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8a = 72

<h3>a = 9</h3>

Thus the required number is 9

6 0
3 years ago
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