What is r+(−5r) simplified?

Answers

Answer 1
Answer:

Answer:

-4r

Step-by-step explanation:


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Convert 70% to a number when the whole is 150
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Find MN.4x+19=6x-7Please and thank you.

Which of the following statements is false? (5 points) Select one: a. The sum of two rational numbers is always rational. b. The product of a nonzero rational number and an irrational number is always irrational. c. The product of two rational numbers is always rational. d. The sum of two irrational numbers is always rational.

Answers

Answer is d the sum of two irrational numbers is always rational.

I used 8 bags of sand for 12m squared . How much will I need for 15m squared?

Answers

12m divided by 8 bags = 1.5 bags per m

So 1.5 bags times 15m = 22.5 bags o'sand

12 divided by 8 = 1.5

15 divided by 1.5 = 10

the answer is 10 




What is the solution to this equation? X-7 = 18

A. X = 25
B. x= 35
C. x = 11
D. X = 9​

Answers

Answer:

A

Step-by-step explanation:

x - 7 = 18

Adding 7 to both sides (to get rid of the -7 on the left side) gives us:

x - 7 + 7 = 18 + 7

x = 25

Answer:

25 is the correct answer

Step-by-step explanation:

i got it right on the test

A student is trying to solve the system of two equations given below: Equation P: y + z = 4 Equation Q: 3y + 7z = 15 Which of the following steps can be used to eliminate the y term? A. –3(y + z = 4) B. 3(y + z = 4) C. –1(3y + 7z = 15) D. –3(3y + 7z = 15)

Answers

look at them
P: 1y
Q: 3y
multiply first equation by -3 becuase 3y-3y=0
-3P
-3(y-z=4) is answer

A is answer

Need help pleeeeeeeeeeeeeeease

Answers

Answer:

I think it's a.)

Step-by-step explanation:

It says that they already started off with $400 and raise $80 a day, and d stands for the number of days.

It's basically $80 a day being added on to the $400 that was already collected.

So it's 80d+400=7,600

Point of intersection of the two axes

Answers

Answer:

Origin (0, 0)

Step-by-step explanation:

Answer:

Step-by-step explanation:

Not sure what the question is here, but if you want to find the point where two lines intersect, you can use simultaneous equations, where the two equations are the line equations.