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2 years ago

Help please I don’t know how to do it

Mathematics

1 answer:

bearhunter [10]2 years ago

4 0

An integer is just a whole number, so like 3 or 6 or 17. any number without a decimal.
The question is asking what number is less than 2 and 8.
the answer could be 5 or 3 or 4

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What is the sum of X2-3x+7 and 3x2+5X-9

Pie

$x^2-3x+7+3x^2+5x-9=\ \ \ \ | combine\ like\ terms\\\\
4x^2+2x-2\\\\
Solution\ is\ 4x^2+2x-2.$

6 0

3 years ago

Convert 132 pounds to kilograms. Use 1 kg = 2.2 lb.

Vera_Pavlovna [14]

1kg = 2.2lb

1lb = 0.454kg

132lb = 0.454*132

132lb = approx 60kg

3 0

3 years ago

Which expression shows a sum of five terms? (3 points)

Sav [38]

Answer:

5 + x + 5 + x + x

Step-by-step explanation:

We are given 4 expressions and we have to determine which expressions shows a sum of five terms.

We use the process of elimination:

5(x + 5)

=5x+25 (distributing 5)

This contains sum of only two terms, <u>eliminate</u>.

It contains only 1 term, <u>eliminate</u>.

5 + x + 5 + x + x

It contains 5 terms 5,x,5,x and x, <u>KEEP</u>!

Only contains 1 term, <u>eliminate</u>.

With this said, were left with:

5 + x + 5 + x + x

Which is the correct answer! :)

6 0

2 years ago

Find the GCF.<br> 6m3n and 8mn2

Liono4ka [1.6K]

Answer:

$2mn$

Step-by-step explanation:

$6m^3n,\:8mn^2$

Find the GCD of $6,\:8$ :

$6$

$=2\cdot \:3$

$8$

$=2\cdot \:4$

$=2\cdot \:2\cdot \:2$

So the prime factor common to 6, 8 is:

$2$

So the factor common to $6m^3n,\:8mn^2$ :

$=2mn$

6 0

2 years ago

PLEASEHELP!!!!!!

pantera1 [17]

Using proportions, it is found that the speed of the runners are of 16 mph and of 20 mph.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount.

After 30 minutes, the runners are 2 miles apart, hence the second runner is 4 miles per hour faster than the second, that is:

$v_2 = v_1 + 4$ .

The first runner's speed is 4/5 of the speed of the second runner, hence:

$v_1 = \frac{4}{5}v_2$

$v_1 = \frac{4}{5}(v_1 + 4)$

$\frac{1}{5}v_1 = \frac{16}{5}$

$v_1 = 16$

$v_2 = 16 + 4 = 20$

Hence, the speed of the runners are of 16 mph and of 20 mph.

More can be learned about proportions at brainly.com/question/24863377

5 0

2 years ago

Read 2 more answers