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3 years ago

Please help

Mathematics

2 answers:

Vera_Pavlovna [14]3 years ago

4 0

Answer:

THE ANSWER IS F>1(X)=X-6/3 FOR APEX

Step-by-step explanation:

lisov135 [29]3 years ago

3 0

The result is 1/3 (-6 + x)

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How many square tiles of side 10cm each will be needed to tile a floor which is 300cm long and 150cm wide?

S_A_V [24]

Step 1

Find the area of one tile

we know that

the area of a square is

$A=b^{2}$

where b is the length side of the square

In this problem

$b=10\ cm$

Substitute

$A=10^{2}=100\ cm^{2}$

Step 2

Find the area of the floor

The area of a rectangle is equal to

$A=LW$

where

L is the length of the rectangle

h is the width of the rectangle

In this problem

$L=300\ cm$

$W=150\ cm$

Substitute

$A=300*150=45,000\ cm^{2}$

Step 3

Find the number of tiles needed

by proportion

$\frac{1}{100} \frac{tile}{\ cm^{2}} =\frac{x}{45,000} \frac{tile}{\ cm^{2}} \\ \\x=45,000/100 \\ \\x=450 \ tiles$

therefore

<u>the answer is</u>

$450 \ tiles$

5 0

3 years ago

What steps would you follow in order to solve the equation?

tatyana61 [14]

Answer:

add 4 on each side and multiply by 8

Step-by-step explanation:

add 4 to undo the subtraction and multiply by 8 to undo the division

7 0

4 years ago

Read 2 more answers

A candy store uses a 50% markup on cost. Find out the owners cost of a candy bar that sells for $1.50.

bulgar [2K]

Answer:

The owners' cost of the candy bar is $1

Step-by-step explanation:

Assume that the owners' cost of the candy bar is 100%

∵ The owners' cost of the candy bar is 100%

∵ The candy store uses a 50% markup on cost

∵ The selling cost = owners' cost + markup

∴ The selling cost = 100% + 50% = 150%

∵ The candy bar sells for $1.50

→ That means 1.50 is 150% of the owners' cost

∴ 1.50 = 150% × owners' cost

→ Change 150% to decimal by divide it by 100

∵ 150% = 150 ÷ 100 = 1.50

∴ 1.50 = 1.50 × owners' cost

→ Divide both sides by 1.50

∴ 1 = owners' cost

∴ The owners' costs = $1

∴ The owners' cost of the candy bar is $1

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3 years ago

What is 25% of 40...?

11Alexandr11 [23.1K]

Answer:

Step-by-step explanation:

Searched it up

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3 years ago

Dominic is buying supplies for his poetry class. He likes to write his poems in black ink, then decorate the pages with colorful

pychu [463]

Answer:

No, they do not.

Step-by-step explanation:

Mega Writer pack: 6color:9black ratio or 9 black pens out of 15 total pens.

Mini Writer pack 3color:6black ratio or 6 black pens out of 9.

6:9 is not equal to 3:6 and 9/15 is not equal to 6/9.

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3 years ago