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2 years ago

Find q. Write your answer as an integer or as a decimal rounded to the nearest tenth.

Mathematics

1 answer:

8090 [49]2 years ago

3 0

Answer:

q would be 13

Step-by-step explanation:

there would be no work for this one because, by the looks of it, SQ and SR are the same lengths, so if SQ= 13, SR= 13. Now if you were trying to find QR, there would be some work that has to be done, because the figure has diff. angles.

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What is the area of triangle ABC?<br> A(2,1) B(4,7) C(6,3)

Helen [10]

Answer: 10

Step-by-step explanation:

It appears that $\overline{AC} \perp \overline{BC}$ , so to check if this is the case, we can use the slope formula.

$m_{\overline{AC}}=\frac{3-1}{6-2}=\frac{1}{2}\\m_{\overline{BC}}=\frac{3-7}{6-4}=-2$

Since these slopes are negative reciprocals, we can see that this is the case. So, we can take $\overline{AC}$ as the base of the triangle and $\overline{BC}$ as the height of the triangle, and then use the formula $A=\frac{1}{2}bh$ .

Using the distance formula,

$AC=\sqrt{(6-2)^{2}+(3-1)^{2}}=\sqrt{16+4}=2\sqrt{5}\\BC=\sqrt{(4-6)^{2}+(7-3)^{2}}=\sqrt{4+16}=2\sqrt{5}$

So, the area is $\frac{1}{2}(2\sqrt{5})(2\sqrt{5})=\boxed{10}$

6 0

2 years ago

How do I graph 2x-3?

Dahasolnce [82]

The number next to the x indicates your slope, so the slope the equation would be 2/1 (up two over one) but first you have to find out your y intercept and the
at would be -3!!
hope this helps!!!

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3 years ago

What is the reasoning in the Proof? PLEASEee helppp I’m Stuckkk

seropon [69]

Answer:

systemetic property

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Step-by-step explanation:

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3 years ago

I need help please?!!!

nydimaria [60]

Answer: 27.5

Step-by-step explanation:

14.5 + 13 = 27.5

5 0

3 years ago

Read 2 more answers

How tall do the people in your immediate and extended family tend to be? Determine whether or not this is a statistical question

andriy [413]

The answer is about 6,1

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3 years ago