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4 years ago

True or false??? I can’t figure out how to set up the proportion

Mathematics

2 answers:

Delvig [45]4 years ago

8 0

This is true

Hope this helps!

Savatey [412]4 years ago

7 0

This is true because a triangle must add up to 180 degrees and we are given 2 angles per triangle, one is 90. 52 + 38 = 90 and 90+90=180

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Factor completely 5a2 + b. Prime a(5a + b) b(5a2) ab(5a + 1)

Tatiana [17]

$\sf {5a^2+b~is~\boxed{\bf{prime}}}$

It is prime because it has no common factors in 5a^2 and b.

The answer is A.

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4 years ago

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MATH! -4=2x+16 x=____?

Dima020 [189]

Answer: x=-10

Step-by-step explanation: hope this help

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3 years ago

How do you do this u don't understand

Elden [556K]

You have to make the denominator the same: 40
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4 years ago

Ill give you brainliest Gabe rents a piano for $49 per month. He earns $15 per hour giving piano lessons to students. How many h

Masteriza [31]

Answer:

25 lessons

Step-by-step explanation:

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3 years ago

Point a is at (-7,-7) and m is at (-6,-1) what are the coordinates of point b

AlekseyPX

Answer:

The coordinates of point b are (-5,5).

Step-by-step explanation:

Given:

Point a is at (-7,-7) and m is at (-6,-1).

So, to find the coordinates of point b.

Let a (-7,-7) be $(x_{1},y_{1})$ , m (-6,-1) and b $(x_{2} ,y_{2})$ .

Now, putting the formula to get the coordinates:

$m=\frac{x_{1}+x_{2}}{2} , \frac{y_{1}+y_{2}}{2}$

⇒ $(-6,-1)=\frac{-7+x_{2}}{2} , \frac{-7+y_{2}}{2}$

So, here we will make two equations to find the value of $x_{2} andy_{2}$ :

$-6=\frac{-7+x_{2}}{2}$

multiplying both sides by 2

⇒ $-12=-7+x_{2}$

⇒ $-5=x_{2}$

And, now same method for getting the value of $y_{2}$ .

$-1=\frac{-7+y_{2}}{2}$

multiplying both sides by 2

⇒ $-2=-7+y_{2}$

⇒ $5=y_{2}$ .

The value of $(x_{2} ,y_{2})$ = $(-5,5)$ .

Therefore, the coordinates of point b are (-5,5).

4 0

4 years ago