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3 years ago

52*6854454^((3)/(6))-:82673

Mathematics

1 answer:

Arada [10]3 years ago

4 0

Sawarasenai kimi wa shoujo na no?~

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sattari [20]

Answer:

ummm what is this for tho?

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4 years ago

The graph shows a proportional relationship. what is the constant proportionality?

Drupady [299]

Answer:

Step-by-step explanation:

21 is the constant of proportionality.

5 0

3 years ago

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

5 0

3 years ago

Someone please help me this will be a lot of points and I will follow u and Mark u the brainiest

Reika [66]

Answer:

option D; 20/3 OR 6 2/3

Step-by-step explanation:

CONVERT THE HOURS INTO MINUTES;

3/4 × 60 = 45 mins

1hour = 60 mins

45 mins = 5 miles

60 mins = ??

cross multiply;

60 by 5 ÷ 45 to get 20/3.

5 0

3 years ago

Which expression is equivalent to -1/2(-3/2x+6x+1)-3

stira [4]

Answer:

$-\frac{9}{4}x-\frac{7}{2}$

Step-by-step explanation:

We want to find an expression that is equivalent to $-\frac{1}{2}(-\frac{3}{2}x+6x+1)-3$ .

Since we can;t get the options, we simplify the given expression.

The reason is that, the given expression will be equivalent to the simplified one.

We combine similar terms to get:

$-\frac{1}{2}(\frac{9}{2}x+1)-3$

We now expand to get:

$-\frac{1}{2}*\frac{9}{2}x-\frac{1}{2}-3$

We perform the subtraction of the last two terms to get:

$-\frac{1}{2}*\frac{9}{2}x-\frac{7}{2}$

We now multiply to get:

$-\frac{9}{4}x-\frac{7}{2}$

7 0

3 years ago