A piece of wood has a width of 5 cm and a height of 10 cm. Its volume is 100 cm3. What is the length of the wood?

Answers

Answer 1

Answer: The length of a piece of wood is 2 cm.

Given:
volume = 100 cm³
width = 5 cm
height = 10 cm
length = ?

Volume is computed by multiplying the length, width, and height of an object.

Volume = length * width * height

100 cm³ = length * 5 cm * 10 cm
100 cm³ = length * 50 cm²
100 cm³ / 50 cm² = length
2 cm = length

to check:
100 cm³ = 2 cm * 5 cm * 10 cm
100 cm³ = 10 cm² * 10 cm
100 cm³ = 100 cm³

Answer 2

Answer:

Answer:

A piece of wood is 2 cm

Step-by-step explanation:

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75 is 20% of what number

Answers

375 Is the answer I think

the answer is 375 . your welcome

Donald's car gets about 30 miles per gallon. About how many miles can Donald drive on 9.2 gallons of gas? At $3.15 a gallon, about how much would that cost?

Answers

As per linear equation, Donald can go with the given gallons of gas is 276 miles.

The total cost of the gas used is $28.98.

What is a linear equation?

"A linear equation is an equation in which the highest power of the variable is always 1. It is also known as a one-degree equation. When this equation is graphed, it always results in a straight line."

Given, Donald's car gets about 30 miles per gallon.

Donald drive on 9.2 gallons of gas.

Therefore, total distance that Donald can go with the given gas is

= mileage of the car × total amount of gas

= 30 × 9.2 miles

= 276 miles

Again, cost of gas per gallon is $3.15.

The total cost

= total gallons of gas used × cost of gas per gallon

= $(9.2 × 3.15)

= $28.98

Learn more about a linear equation here: brainly.com/question/14498830

#SPJ2

30x9.2= 276 miles
9.2x3.15=$28.98
So the car can drive 276 miles if you put $28.98 of gas in it.

dominique drove home from work at an average speed of 36 miles per hour. if the distance from her house to her workplace is 5.4 miles, how long did her commute take?

Answers

Answer:

Dominique's commute took 9 minutes

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

Since we are given 3 values with 1 variable, and this is a ratio problem we can use the Rule of Three technique to calculate how long her commute will take. The technique is shown in the picture attached below, but before we can use this technique we need to change the hours into minutes.

1 hour = 60 minutes

Now we can use the technique...

36 miles ⇒ 60 minutes

5.4 miles ⇒ x

$(5.4*60)/(36) = 9minutes$