2 years ago

Help please! Lolololololololololololol

Mathematics

2 answers:

Zigmanuir [339]2 years ago

8 0

384 gallons

Hope this helps

andrezito [222]2 years ago

6 0

Answer:

384 gallons

Step-by-step explanation:

152/19 = 8mpg

48*8 = 384 gallons

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Pls help me on this !!!!!!!!!!!

Gnesinka [82]

Answer:

11.8 m

Step-by-step explanation:

2/3πr^3=1100π

r^3=1650

r=11.8

8 0

2 years ago

Solve 2x2 + 20x = −38.

cestrela7 [59]

2x^2+20x=-38 divide both sides by 2

x^2+10x=-19, halve the linear coefficient, square it, than add that value to both sides of the equation, in this case add (10/2)^2=25...

x^2+10x+25=6 now the left side is a perfect square

(x+5)^2=6 take the square root of both sides

x+5=±√6 subtract 5 from both sides

x=-5±√6 (so answer c.)

4 0

3 years ago

1/4(z +3z)+ 7=−z + 1 please help with this ive been stuck

madam [21]

First, simplify the parenthesis. You’ll get:
1/4(4z)+7=-z+1

Then multiply 1/4 by 4z. You’ll get:
z+7=-z+1

Love like terms to the same side. I wanted to have the variable positive on time, so I moved variables to the left and constants to the right. You’ll get:
2z=-6

Divide both sides by 2. You’ll get :
z=-3