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3 years ago

12-2 to the second power ÷5 how can i get this to equal 20

Mathematics

1 answer:

mezya [45]3 years ago

8 0

Multiply 12 by 2 and then you'll get it.

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The scale factor for a model car is 1 : 24. What does this mean?

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One inch( or unit of measurement) on a model is 24 on the larger version.

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3 years ago

Can someone simplify this <br> x+4/4+x

ser-zykov [4K]

Answer:

The answer is 2x + 1

Step-by-step explanation:

Divide : x+4/4+x

Any expression by itself eqauls 1 : x + 1 + x

Collect the like terms : x + 1 + x

Collect the like terms : 2x + 1

Final answer: 2x + 1

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3 years ago

0/1

Talja [164]

Answer:

8x - 15

Step-by-step explanation:

You multiply the 8 and x, put the subtract sign, and add the 15, BOOM!

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3 years ago

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Question : In the given figure , ∆ APB and ∆ AQC are equilateral triangles. Prove that PC = BQ.

lorasvet [3.4K]

Answer:

See Below.

Step-by-step explanation:

We are given that ΔAPB and ΔAQC are equilateral triangles.

And we want to prove that PC = BQ.

Since ΔAPB and ΔAQC are equilateral triangles, this means that:

$PA\cong AB\cong BP\text{ and } QA\cong AC\cong CQ$

Likewise:

$\angle P\cong \angle PAB\cong \angle ABP\cong Q\cong \angle QAC\cong\angle ACQ$

Since they all measure 60°.

Note that ∠PAC is the addition of the angles ∠PAB and ∠BAC. So:

$m\angle PAC=m\angle PAB+m\angle BAC$

Likewise:

$m\angle QAB=m\angle QAC+m\angle BAC$

Since ∠QAC ≅ ∠PAB:

$m\angle PAC=m\angle QAC+m\angle BAC$

And by substitution:

$m\angle PAC=m\angle QAB$

Thus:

$\angle PAC\cong \angle QAB$

Then by SAS Congruence:

$\Delta PAC\cong \Delta BAQ$

And by CPCTC:

$PC\cong BQ$

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3 years ago

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Slope of 2y = -x + 10

777dan777 [17]

The slope would be -1 because of the x

6 0

3 years ago

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