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OLga [1]
3 years ago
15

Please help meeeeee!!!!!

Mathematics
1 answer:
Over [174]3 years ago
7 0
I hope this helps you

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- The capacity of the aquarium is 9000 mL.<br>What is the height of the aquarium?<br>​
KatRina [158]
Volume of Cuboid = l x b x h
9000 mL = 30 x 15 x h
h = 9000/30 x 15
h = 20cm
4 0
2 years ago
16.8 - (-23.72)+(-31.3) = x
KatRina [158]

Let's solve  your equation step-by-step

16.8-(-23.72)-31.3=x

Step 1:simplify both sides of the equation

16.8-(-23.72)-31.3=x

16.8+23.72+-31.3=x

(16.8+23.72+-31.3)=x (combine like terms)

9.22=x

9.22=x

Step 2: flip the equation

Answer: x=9.22

5 0
3 years ago
You rent a canoe for $4.50 per hour. Your cost before the tax is added is $18. Write an equation to find the number of hours H t
anygoal [31]

Answer:

total cost = cost/hour x hours

$18.00 = ($4.50)(X hours)

X=4 hours

Step-by-step explanation:

total cost = cost/hour x hours

$18.00 / 4.50=4 hours

6 0
2 years ago
9. Solve for x,<br>9x - 25<br>5x + 7<br>N​
kati45 [8]

Answer:

x = 8

Step-by-step explanation:

Simplifying

9x + -25 = 5x + 7

Reorder the terms:

-25 + 9x = 5x + 7

Reorder the terms:

-25 + 9x = 7 + 5x

Solving

-25 + 9x = 7 + 5x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-5x' to each side of the equation.

-25 + 9x + -5x = 7 + 5x + -5x

Combine like terms: 9x + -5x = 4x

-25 + 4x = 7 + 5x + -5x

Combine like terms: 5x + -5x = 0

-25 + 4x = 7 + 0

-25 + 4x = 7

Add '25' to each side of the equation.

-25 + 25 + 4x = 7 + 25

Combine like terms: -25 + 25 = 0

0 + 4x = 7 + 25

4x = 7 + 25

Combine like terms: 7 + 25 = 32

4x = 32

Divide each side by '4'.

x = 8

Simplifying

x = 8

7 0
3 years ago
What is the value of the expression [-8/9]divide by [-2/3]x[-4 1/2]
Sidana [21]

Answer:

-82/3

Step-by-step explanation:

first divide -8/9 by -2/3

-8/9 ➗ -2/3 =-8/9*3/-2 =4/3

multiply 4/3 by -41/2

4/3*-41/2 = -82/3

5 0
3 years ago
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