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3 years ago

Solve 54 - 10x s 20 + 7x.

Mathematics

1 answer:

konstantin123 [22]3 years ago

6 0

9514 1404 393

Answer:

2 ≤ x

Step-by-step explanation:

Maybe you want to solve ...

54 -10x ≤ 20 +7x

34 ≤ 17x . . . . . . . . . . . . add 10x-20 to both sides

2 ≤ x . . . . . . . . . . . . . . divide by 17

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3 years ago

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Lynna [10]

Answer:

157

Step-by-step explanation:

8.00 +(0.06x) = 18.27

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3 years ago

The Big Telescope Company sells circular mirrors. Their largest mirrors have radii of 5 meters and their smallest mirrors have r

pogonyaev

Answer: 1:5

Step-by-step explanation:

Given: The cost of every mirror is proportional to the cube of the mirror's radius.

i.e. $\dfrac{\text{Cost of smallest mirror}}{\text{Cost of largest mirror}}=\dfrac{(\text{radii of smallest mirror}^3)}{\text{(radii of largest mirror)}^3}$

Their largest mirrors have radii of 5 meters and their smallest mirrors have radii of 1 meter.

Then,

$\dfrac{\text{Cost of smallest mirror}}{\text{Cost of largest mirror}}=\dfrac{1^3}{(5)^3}=\dfrac{1}{125}$

The ratio of the total cost of 25 of the company's smallest mirrors to the cost of one of the company's largest mirrors will be:

$\dfrac{\text{Cost of 25 smallest mirror}}{\text{Cost of largest mirror}}=\dfrac{25\times 1}{125}=\dfrac{1}{5}$

Hence, the ratio of the total cost of 25 of the company's smallest mirrors to the cost of one of the company's largest mirrors = 1:5 .

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3 years ago

Pls answer and show work for brainliest

Zina [86]

15/50 = 0.3
that’s 30%
so 30% of people will not be wearing hats.
30% of 250 = 250 x 0.3
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3 years ago

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Answer:

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Step-by-step explanation:

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