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agasfer [191]
3 years ago
8

Need exercise problems with parentheses and variables

Mathematics
1 answer:
topjm [15]3 years ago
7 0

There are many good exercise problems on

https://www.khanacademy.org/

This website also includes exercise problems for just about any subject and/or grade level.

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How do you find the scale factor of two triangles, 0.3 and 2.4?
bagirrra123 [75]
Divide the larger one by the smaller one. 2.4 divided by 0.3 gives you 8. That means the scale factor is 8, or the larger triangle is 8 times larger than the smaller. We can prove this by multiplying 0.3 by 8 and getting 2.4
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3 years ago
I have four bags of small chocolate
mezya [45]

20 grams

Step-by-step explanation:

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2 years ago
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KATRIN_1 [288]
What is ur question?

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3 years ago
28 in 21 in., 20 in.<br> Is this a right triangle?
ankoles [38]

Answer:

No, it is not a right triangle.

Step-by-step explanation:

The simplest way to determine is testing out the numbers with Pythagorian theorem.

If it complies with the theorem, it is a right triangle.

let's assume c = 28, b = 21, and a = 20

the longest side is the hypotenuse so side c (28 in) will be the hypotenuse.

According to the Pythagorian theorem, the square of the length of hypotenuse must equal to the sum of squares of other two sides.

check:

c^2 = 28^2 = 784

a^2 + b^2 = 21^2 + 20^2 = 841

because c^2 is not equal to a^2 + b^2, the triangle is not a right triangle.

7 0
3 years ago
What is the domain of the function using the graph?
Fofino [41]

The answer is B) x is equal to all real numbers.

The domain of a function is the numbers for x that you can put in. Although the y-values are restricted here, you can put any number you want in for x. Therefore, x is equal to all real numbers.

6 0
3 years ago
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