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crimeas [40]
3 years ago
9

A triangle has an area of 72 and a base of 10 what is the height

Mathematics
2 answers:
Nikolay [14]3 years ago
7 0

The area of a triangle is A=1/2*b*h

So we have 72=1/2*10*h

72=5*h

14.4=h

So the height is 14.4 units

Hope this helped!

Studentka2010 [4]3 years ago
5 0
The height will be 14.4
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Which equations are related equations to x + 8 = 22?
FrozenT [24]

x + 8 = 22

x = 22 - 8 and 8 = 22 - x

8 0
3 years ago
What is the answer to 3/7w-11=4/7w
sladkih [1.3K]
For this equation first you should add +11 on both sides and the add -4/7w so you will have: 
3/7w- 4/7w = 11 ⇒ -1/7w = 11 ⇒ w = 11* -7 = -77 so the answer is:
w = -77 :)))
i hope tis is helpful 
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6 0
2 years ago
[Quick Answer Needed] Which of the following shows the extraneous solution to the logarithmic equation?
Nitella [24]

Answer:

C

Step-by-step explanation:

Given the logarithmic equation

\log_4x+\log_4(x-3)=\log_4(-7x+21)

First, notice that

x>0\\ \\x-3>0\Rightarrow x>3\\ \\-7x+21>0\Rightarrow 7x

So, there is no possible solutions, all possible solutions will be extraneous.

Solve the equation:

\log_4x+\log_4(x-3)=\log_4x(x-3),

then

\log_4x(x-3)=\log_4(-7x+21)\\ \\x(x-3)=-7x+21\\ \\x^2-3x+7x-21=0\\ \\x^2+4x-21=0\\ \\D=4^2-4\cdot 1\cdot (-21)=16+84=100\\ \\x_{1,2}=\dfrac{-4\pm 10}{2}=-7,\ 3

Hence, x=3 and x=-7 are extraneous solutions

6 0
2 years ago
PLEASE HELP I HAVE 6 MINUTES LEFT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
lord [1]

Answer:the answer is D

Step-by-step explanation:

4 0
2 years ago
What is -3x-5 = 16<br> I'm stuck on a simple problem
mariarad [96]

Answer:

-7

Step-by-step explanation:

-3x-5=16

-3x-5+5=16+5

-3x=21

-3x/-3=21/-3

x=-7

4 0
2 years ago
Read 2 more answers
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