3 years ago

The sum of a number times 9 and 20 is at least 28. Translate the sentence into an inequality

1 answer:

SOVA2 [1]3 years ago

6 0

Answer:

9x+20>=28

Step-by-step explanation:

x is the number

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oksian1 [2.3K]

part a: $37.60

idk part b

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3 years ago

charle [14.2K]

Answer:

7.07 units

Step-by-step explanation:

Use the Pythagorean theorem for the right triangle:

$\text{hypotenuse}^2=\text{leg}_1^2+\text{leg}_2^2,\\ \\c^2=a^2+b^2.$

If a = x, b = x, and c = 10, then

$10^2=x^2+x^2,\\ \\100=2x^2,\\ \\x^2=50,\\ \\x=\sqrt{50}=5\sqrt{2}\approx 7.07\ units.$

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3 years ago

fiasKO [112]

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son4ous [18]

A. period.

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2 years ago

leonid [27]

Answer:

I think the answer is graph B

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2 years ago