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ioda
3 years ago
11

Solve for x: -9x < 27

Mathematics
1 answer:
Alenkasestr [34]3 years ago
4 0

Answer:

x > -3

Step-by-step explanation:

Since you need to get a by itself as a variable divide both sides by -9 (but in inequality when you divide by - the sign flips)

x > -3

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After 2 hours, Ernie had travelled 192 miles. If he travels at a constant speed, how far will he have travelled after 5 hours?
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Answer:

the answer is "480"

Step-by-step explanation:

so 192 divided by 2 hours is 96 so thats 96 miles per hour then I simply do 96 x 5 hours

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One inch is 25.4 millimeters. Write 25.4 millimeters as a mixed number in simplest form.
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Kurt opened a savings account and deposited $3,000.00 as principal. The account earns 5%
stiv31 [10]

Answer:

Step-by-step explanation:

P = 3,000

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7 0
2 years ago
X+3y=14<br> y=3x-14<br> Solving systems using substitution <br> How do i do this?
Free_Kalibri [48]
X + 3y = 14
x + 3(3x - 14) = 14
x + 9x - 42 = 14
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<u>      + 42 + 42</u>
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        10     10
           x = 5.6
5.6 + 3y = 14
<u>- 5.6         - 5.6</u>
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6 0
3 years ago
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Matters has 456:8 What s his rate
Olegator [25]

We are given ratio 456:8.

The given ratio can be written in fraction form as \frac{456}{8}

In order to find the rate, we need to divide 456 by 8, because it would give the unit value.

When we divide 456 by 8, we first take multiple of 8 closer to the number 45.

8*6=48 but it's greater than 45, so we would take 8*5 =40.

Subtracting 40 from 45, we get 5.

Getting 6 down, we get 56. Take multiple of 8 upto 56.

8*7= 56.

56 -56=0.

So, on dividing 456 by 8 we got 57.

Therefore, rate is 57 per unit.


3 0
2 years ago
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