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3 years ago

Write an inequality to represent the phrase: the difference of a number and 9 is no more than 95

Mathematics

1 answer:

Sliva [168]3 years ago

5 0

Answer:

$x-9\leq 95$

Step-by-step explanation:

Let

x ----> the number

we know that

The phrase " the phrase: the difference of a number and 9" is equal to

subtract the number 9 from the number x

(x-9)

The phrase" no more than 95" means "less than or equal to 95" (≤95)

The inequality that represent this situation is

$x-9\leq 95$

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Answer:
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I’m guessing you meant to write
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The average mass of an ant is approximately 3 × 10 − 3 grams. The average mass of a giraffe is approximately 2 × 10 3 kilograms.

Vika [28.1K]

Given that average mass of an ant $= 3 \times 10^{-3}$ grams.

Given that average mass of a giraffe $= 2 \times 10^{3}$ Kilograms.

Now we have to find about how many times more mass does a giraffe have than an ant. Before carring out any comparision, we must make both units equal.

Like convert kilogram into gram or gram into kilogram.

I'm going to convert kilogram into gram using formula

1 Kg = 1000 g

So the average mass of a giraffe $= 2 \times 10^{3} *10^3$ grams.

Now we just need to divide mass of giraffe by mass of ant to find the answer.

$\frac{2 \times 10^{3} *10^3 }{3 \times 10^{-3} }$

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$= \frac{2 \times 10^9}{3 }$

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f a university wants to maintain a 14:1 ratio between students and teachers, how many teachers would be needed to accommodate 89

olga2289 [7]

14:1
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14x = 896
x represents number of teachers

Divide 14 off of both sides.

896/14 = 64

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