2 years ago

7x-9x=-36 (I know the answer but I’m not sure if I have the work right)

Mathematics

2 answers:

pav-90 [236]2 years ago

5 0

Answer:

18, is your answer!

Step-by-step explanation:

Artyom0805 [142]2 years ago

3 0

Answer:

I think that ur answer is 18 .

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The water in a pool evaporates at a rate of 16 gallons per week. What integer represents the change in the number of gallons of

Sav [38]

If 16 gallons of water evaporates per week and we have 24 weeks, we can jsut multiply it.
So $16*24=384$ gallons of water evaporates.

6 0

3 years ago

Una librería consta de 5400 libros repartidos en 3 estanterías

pishuonlain [190]

Answer:

B = 900 Libros

A = 2700 Libros

C = 1800 Libros

Step-by-step explanation:

A = 3B

2B = C

A + B + C = 5400

3B + B + 2B = 5400

6B = 5400

B = 5400 / 6

B = 900 Libros

A = 3B

A = 3(900)

A = 2700 Libros

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7 0

2 years ago

Solve for x. x/7= -3 x = -21 x = -10 x = 4 x = 21

Alecsey [184]

The answer is x=-21

explanation:

x/7=-3

x=-3×7

x=-21

4 0

3 years ago

What is the next step he needs to complete in order to solve the equation?

Lena [83]

Answer:

Divide both sides by -2

4 0

3 years ago

PLS HELP ILL GIVE BRAINLIST!

lyudmila [28]

Answer:

Step-by-step explanation:

A2+B2=C2

A2+15squared=17squared

A2+225=289

289-225=64

A2=64

64 squared is 8

7 0

3 years ago