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IRINA_888 [86]
3 years ago
5

Solve using any method 4x-y=20 and -2x-2y=10

Mathematics
2 answers:
dsp733 years ago
7 0

Answer:

if you're trying to find the slope, it is (3, -8) were you looking for the slope?

Step-by-step explanation:

i hope this helps, have a great day:)

Ivahew [28]3 years ago
7 0

Answer: the answer is x =3, y = -8

Step-by-step explanation:

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What is 33 percent of 400
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<h2>QUESTION</h2>

What is 33% of 400?

<h2>ANSWER AND EXPLANATION</h2>

To find the percent of a number, you have to change the percent into a decimal or a fraction and multiply by the number.

<h3>DECIMAL</h3>

To change a percent into a decimal, remove the percent sign and move the decimal point 2 places to the left.

33 \% \rightarrow 0.33

Now that you have your decimal, multiply by 400:

0.33 \times 400 = 132

ANSWER = 132

<h3>FRACTION</h3>

To change a percent into a fraction, make the percent number as the numerator(top number) and 100 as the denominator(bottom number) since fractions are out of 100.

33 \% \rightarrow \frac{33}{100}

Now that you have your fraction, multiply by 400:

\frac{33}{100} \times 400 = \frac{13200}{100} \rightarrow 132

ANSWER = 132

<em>If you have any questions, feel free to ask in the comments! :)</em>

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On a cold day, the temperature in a certain city changed −18.5°F over 7.4 hours.
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-2.5 degrees

Step-by-step explanation:

The temperature decreased 18.5 degrees F in 7.4 hours.

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-18.5/7.4 = -2.5 degrees F

The average change in temperature over the course of 7.4 hours is -2.5 degrees F.

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=Which composition of transformations will create a pair of similar, not congruent triangles?
irina [24]

Option d) is correct, i.e. a rotation, then a dilation. Transformation will create a pair of similar but not congruent triangles.

Which composition of transformations will create a pair of similar, not congruent triangles?

<h3>What is congruent geometry?</h3>

In congruent geometry, the shapes that are so identical. can be superimposed to themselves.

When triangle is rotated, than position of angles will change. Aftermath the dilation of the triangle would increase the proportion of the sides, but angles remains equal, by which the triangle remain similar but not congruent.

Thus, a rotation, then a dilation transformation will create a pair of siilar but not congruent triangles.

Learn more about congruent geometry here.
brainly.com/question/12413243

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5 0
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