MATHEMATICS HIGH SCHOOL

-5r + 2r = -3 aLGREBRA

Answers

Answer 1
Answer:

Answer:

r = 1

Step-by-step explanation:

We can combine like terms, getting -3r = -3.

Then we can divide both sides by -3, and get r = 1.
Answer 2
Answer:

Answer:

r = 1

Step-by-step explanation:

First, we'll simplify

-5r + 2r = -3

-3r = -3

Then, we divide

-3 divided by - 3 is equal to 1

Therefore, r = 1

Hope this helps!

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What is the volume of the oblique cone? Round to the nearest tenth. 142.4 cubic units 142.4 square units 196.0 cubic units 196.0 square units

Answers

Answer:

142.4 cubic units

Step-by-step explanation:

Formula: π * r²

Radius = 4

Height = 8.5

Volume = 1/3 x 3.14 x (4)^2 x 8.5 =

142.4 cubic units

If the sales tax is 7% and the purchase price is $161, what is the amount of tax?

Answers

7 \% \ from \ 161 \ = \ (7)/(100) * 161 = ( 1127)/(100) = 11,27\ is \ amount \ of \ tax \

IT'S TIMED NEED HELP ASAP!! Find the measure of angle C

Answers

Answer: 250 degrees

Step-by-step explanation:

Answer:

x=(1)/(7)

15(1/7)+5= 7.14 (rounded o the nearest hundredths)

I hope this is good enough:

.If two checks were written and one deposit was made into an account in one day, the account’s ending balance on that day ____________ its starting balance on that day.

cannot be less than

must be less than

might be less than

none of the above

Answers

Balance in account cannot be less than

Answer:

might be less than

Step-by-step explanation:

if your here from the quiz that's the right answer

Given ƒ(x) = 8x + 25, find x when ƒ(x) = 9.
A) -2
B) -1
C) 0
D) 2

Answers

A)-2
9=8x+25
-16=8x
X=-2

What is the nth term of 60,100,140 simplified

Answers

Answer:

a_(n) = 40n + 20

Step-by-step explanation:

there is a common difference between the first 3 terms in the sequence, that is

100 - 60 = 140 - 100 = 40

This indicates the sequence is arithmetic with nth term

a_(n) = a₁ + d(n - 1)

a₁ is the first term , d the common difference, n the term number

here a₁ = 60 and d = 40 , then

a_(n) = 60 + 40(n - 1) = 60 + 40n - 40 = 40n + 20
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