3 years ago

Plssss help. High school mathematics

Mathematics

1 answer:

VikaD [51]3 years ago

7 0

UT= 15
Hope it helps

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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

nataly862011 [7]

Answer: $\bold{-\dfrac{1}{2}}$

<u>Step-by-step explanation:</u>

Average rate of change is the slope (m) between the two coordinates (-1, -1) and (1, -2).

$m=\dfrac{y_2-y_1}{x_2-x_1}$

$m = \dfrac{-2+1}{1+1}$

$=-\dfrac{1}{2}$

8 0

3 years ago

Read 2 more answers

Solve the Fahrenheit equation for Celsius

horrorfan [7]

The first step you should do is subtract 32 from both sides so your answer will turn out like this -

F = (9/5) C + 32
-
F - 32 = (9/5)

Then we will multiply both sides by 5.

5 ( F - 32 ) = 9 C

Divide both sides by 9 to isolate C.

(5/9) ( F - 32 ) = C

So the answer is :

C = (5/9) ( F - 32 )

Hope this helps :)

7 0

3 years ago

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A train covers a distance of 80 miles in 2 hours. At this rate, about how many hours will it take to cover a distance of 200 mil

Vadim26 [7]

Let's write miles over hours
80 / 2 = 200/ x
cross multiply
80x = 400
divide both sides by 80
x = 5

It will take 5 hours to cover 200 miles

Hope this helps :)

6 0

3 years ago

Help me please. What is (2a+8) + (4a +5)

Rom4ik [11]

Answer:

6a + 13

Step-by-step explanation:

2a + 4a = 6a

8 + 5 = 13

6a + 13

8 0

2 years ago