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3 years ago

Can someone help me with #5, please?

Mathematics

1 answer:

hichkok12 [17]3 years ago

5 0

The formula for solving this is Acceleration=velocity/time

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Need help with this

likoan [24]

Answer:

The answer is h = 2A/(b+c) .

Step-by-step explanation:

You have to move all the unrelated terms to the other side by making h the subject :

$A = \frac{1}{2} (b + c)h$

$A \div \frac{1}{2} = \frac{1}{2} (b + c)h \div \frac{1}{2}$

$2A = (b + c)h$

$2A \div (b + c) = (b + c)h \div (b + c)$

$\frac{2A}{b + c} =h$

$h = \frac{2A}{b + c}$

4 0

3 years ago

In ABC, C is a right angle, what is the measure of x?

Bumek [7]

B is the right answer

8 0

4 years ago

Read 2 more answers

-7 = -c - 29 Easy Points

Luden [163]

Hi there!

»»————-　★　————-««

I believe your answer is:

$c = - 22$

»»————-　★　————-««

Here’s why:

⸻⸻⸻⸻

$\boxed{\text{Solving for 'c'...}}\\\\-7 = -c-29\\-------------\\\rightarrow -c -29 = -7\\\\\rightarrow -c - 29 + 29 = -7 + 29\\\\\rightarrow -c = 22\\\\\rightarrow\frac{-c=22}{-1}\\\\\rightarrow \boxed{c = -22}$

⸻⸻⸻⸻

»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

5 0

3 years ago

Elena is doing a fund-raising mailing for her after-school drama club. She decides to include a brochure in 80% of the letters s

Wittaler [7]

First of all, Elena is kinda dumb why put brochures on only 80%? Nevertheless, 400 letters will not contain a brochure. If you need an explanation just comment that you need one on this.

4 0

3 years ago

In the right triangle ABC with right angle at A , the inradius is 2cm. If the hypothenuse BC=10cm , determine the perimeter and

trasher [3.6K]

Answer: 24cm

Step-by-step explanation:

Inradius = r

c = the hypothenuse

a & b = the other 2 sides of the triangle

Inradius formula: r = 1/2 * (a+b-c)

Plug in what we know.

2 = 1/2 * (a+b-10)

Multiply both sides by 2.

2*2 = 1/2 * (a+b-10) * 2

4 = a+b-10

Add 10 to both sides.

4+10 = a+b-10+10

14 = a+b

Perimeter formula: P=a+b+c

Plug in what we know

(remember a+b=14).

P=14 + 10

P = 24

3 0

3 years ago