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3 years ago

(y=x-4 (y=-2x+5 ................................................................

Mathematics

1 answer:

harkovskaia [24]3 years ago

4 0

I don’t know the answer

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How would I calculate/measure angles without a protracter?

atroni [7]

Answer:

you would calculate angles with a protractor by using degrees.

Step-by-step explanation:

the center would be put at one corner and then u measure the side you want to know the angle of. hope this helped.

4 0

4 years ago

Read 2 more answers

I need help that is simple enough explnation

velikii [3]

Answer:

7 in both boxes

Step-by-step explanation:

In the picture, it shows

4 (x - 3) = 20

and then it shows

4 (x) - 4 (3) = 20

so practically you separate the x and 3 and put them in parentheses and then put a 4 next to both of them.

It should be the same as your question.

7 x (8 - 3)

and then separate 8 and 3 and put a 7 next to both of them.

( 7 x 8) - ( 7 x 3)

Hope it helps and have a great day! =D

~sunshine~

3 0

3 years ago

In a class with 42 students, 22 like blue and 27 like red. If 6 no like either colours. Find :- a) How many students like both r

andrezito [222]

27+22=49

so your question doesnt really make sense, can u re-word it and make sure your problem is correct

7 0

4 years ago

Read 2 more answers

Two legs of a right triangle each measure 10 incles how long is the hypotenuse

elena-14-01-66 [18.8K]

Answer:100

Step-by-step explanation:10² + 10² =c² 10x10 is 100 for both since its square root

100+100=c² 100+100 is 200

your always going to divide by 2 so your going to divide 200÷2=100

so the hypotenuse is 100

5 0

3 years ago

Read 2 more answers

MARKING AS BRAINLIEST!!

devlian [24]

Answer: They are inverses of each other

============================================================

Explanation:

We need to check two things:

f(g(x)) = x
g(f(x)) = x

If both of those equations are true, then f and g are inverses of each other.

----------------

Part 1

$f(x) = -3x-12\\\\f(g(x)) = -3( g(x) )-12\\\\f(g(x)) = -3\left( \frac{-12-x}{3} \right)-12\\\\f(g(x)) = 12+x-12\\\\f(g(x)) = x\\\\$

So far, so good. Now we need to check the other equation mentioned.

------------------

Part 2

$g(x) = \frac{-12-x}{3}\\\\g(f(x)) = \frac{-12-( f(x) )}{3}\\\\g(f(x)) = \frac{-12-( -3x-12 )}{3}\\\\g(f(x)) = \frac{-12+3x+12}{3}\\\\g(f(x)) = \frac{3x}{3}\\\\g(f(x)) = x\\\\$

That works out as well. Both equations mentioned are true, which confirms the two original functions are inverses of one another.

3 0

2 years ago