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3 years ago

Pls help, I’ll give you brainliest

Mathematics

1 answer:

Mashutka [201]3 years ago

3 0

It’s like this first you find the midpoint
Which is halfway of the number
Then you times the midpoint by the frequency then add them all up to find the total. Then you divide the total of the frequency * the midpoint by the frequency to find the mean. Then I think you have to estimate your one
Hope this helped

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Find the values of x and y in the diagram and show work please it's for geometry class

Romashka-Z-Leto [24]

Answer:

x = 10

y = 70

Step-by-step explanation:

By using the vertical angles theorem we know that x+ y +10 = 90, also simplified to x + y = 80

and 2x + y = 90

By using the substitution method on x + y = 80, it will be y = -x + 80

When you put into the equation 2x + y = 90 you will get 2x -x +80 = 90

Then it will simplify to x = 10

After that plug 10 into x + y = 80 to 10 + y = 80 and get y = 70

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3 years ago

3^4 x 3^8= 3 to the power of what

Katen [24]

Answer:

3^12

Step-by-step explanation:

When the whole numbers are the same, add the exponents

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3 years ago

What is the value of f(-6) in f(x) = 4x + 10

just olya [345]

Answer:

f(-6) = -14

Step-by-step explanation:

$f(x)=4x+10\\\\f(-6)=4(-6)+10\\\\f(-6)=-24+10\\\\\boxed{f(-6)=-14}$

Hope this helps you.

3 0

3 years ago

A, O and B lie on a straight line segment.

Dafna11 [192]

Answer:

x = 36

Step-by-step explanation:

the 3 angles form a straight angle and sum to 180°

sum the 3 angles and equate to 180

3x + x + x = 180 , that is

5x = 180 ( divide both sides by 5 )

x = 36

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3 years ago

8>3+t/4 what is the answer

salantis [7]

Answer:

Subtract 3 from 8.... 5 > t/4
Multiply both sides by 4... 5/4 > t
The answer is t < 5/4

5 0

4 years ago