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Ainat [17]
3 years ago
13

Estimate the sum of 279 and 217

Mathematics
1 answer:
Maurinko [17]3 years ago
7 0
280+220=500 hope this helps
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Solve −x16+1≥−5x2, for x without multiplying by a negative number. Then, solve by multiplying through by −16.
dedylja [7]

Answer:

−1.13348172≤x≤1.13348172

Step-by-step explanation:

For this problem

Add −5x2 to both sides of the inequality.

−x16 + 1 + 5x2≥0

Convert inequality to an equation.

−x16 + 1 + 5x2 = 0

Factor −x16 + 1 + 5x2

Set the factor equal to 00.

x16−5x2−1 = 0

x≈ − 1.13348172,1.13348172

so,

x≤ − 1,13348172

−1.13348172≤x≤1.13348172

x≥1.13348172

−1.13348172≤x≤1.13348172

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3 years ago
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Answer:

A

Step-by-step explanation:

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enyata [817]

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I think you need to multiply 12 and 7 and then cut that in half

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What is the diameter of 80
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What is the correct value of x in the triangle
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