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2 years ago

10

Find the original price of a pair of shoes if the sale price is $28 after a 50% discount.

1 answer:

Grace [21]2 years ago

8 0

Answer:

The original price was 56 dollars

Step-by-step explanation:

28 divided by 0.5 equals 56

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Solve for y. 2(2y+6)=28

Shalnov [3]

Answer:

y=4

Step-by-step explanation:

7 0

2 years ago

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Rhonda is downloading a file from the Internet. The size of the file is 7.45 MB. The file is downloading at the rate of 0.095 MB

Rus_ich [418]

Size of file- 7.45 MB.
rate of download- .095 MB a second

7.45/.095=78.42 seconds (a little over a minute)

4 0

3 years ago

Find a linear inequality with the following solution set. Each grid line represents one unit.

ikadub [295]

The linear inequality in standard form is: x + y < -2 or x + y + 2 < 0

<h3>How to Write a Linear Inequality?</h3>

To determine what sign to use, follow these rules:

Use "<" or ">" when the boundary line is dotted or dashed.
Use "<" or "≤" when the shaded area is under the boundary line (dotted or dashed).
Use "≤" or "≥" when the boundary line is not dotted or dashed.
Use ">" or "≥" when the shaded area is above the boundary line (dotted or dashed).

The graph given has the following features:

It has a boundary line that is dotted/dashed.
It has a shaded area that is under the boundary line.
Thus, the inequality sign we would use is, "<".

Find the slope:

Slope (m)= rise/run = -(2 units) / (2 units).

Slope (m) = -1.

The y-intercept (b) = -2.

Substitute m = -1 and b = -2 into y < mx + b:

y < (-1)x + (-2)

y < -x - 2

Rewrite

x + y < -2

x + y + 2 < 0

Learn more about inequality on:

brainly.com/question/11234618

#SPJ1

5 0

2 years ago

You are searching for two integers. The sum of twice the first integer and three times the second integer is nine. At the same t

devlian [24]

Answer: -3 and 5

<u>Step-by-step explanation:</u>

Let x represent the 1st digit and y represent the 2nd digit. Then,

Eq 1: 2x + 3y = 9 → 3(2x + 3y = 9) → 6x + 9y = 27

Eq 2: 3x + 2y = 1 → -2(3x + 2y = 1) → <u>-6x - 4y = -2</u>

5y = 25

y = 5

Substitute y = 5 into either of the original equations to solve for x:

2x + 3y = 9

2x + 3(5) = 9

2x + 15 = 9

2x = -6

x = -3

Check (using the other original equation):

3x + 2y = 1

3(-3) + 2(5) = 1

-9 + 10 = 1

-1 = 1 $\checkmark$

4 0

3 years ago

A bottle contains 255 coins. 1/3 of the coins are ?1.00. 110 of the coins are 50p coins. the rest are 20p coins. work out the to

aliina [53]

Answer:

£152.

Step-by-step explanation:

We have been given that a bottle contains 255 coins. 1/3 of the coins are £1.00.

Let us find 1/3 of 255 to find the number of £1 coins.

$\£1\text{ coins}=\frac{1}{3}\times 255$

$\£1\text{ coins}=85$

This means we have £85.

We are also told that 110 of the coins are 50 p coins.

$\text{Value of 50 p coins}=\£0.50\times 110$

$\text{Value of 50 p coins}=\£55$

Let us figure out number of 20 p coins by subtracting the number of £1 coins and 50 p coins from 255.

$\text{Number of 20 p coins}=255-(85+110)$

$\text{Number of 20 p coins}=255-(195)$

$\text{Number of 20 p coins}=60$

$\text{Value of 20 p coins}=\£0.20\times 60$

$\text{Value of 20 p coins}=\£12$

Now let us find total value of the coins contained in the bottle by adding the values of £1 coins, 50 p coins and 20 p coins.

$\text{The total value of the coins}=\£85+\£55+\£12$

$\text{The total value of the coins}=\£152$

Therefore, the total value of the coins contained in the bottle is £152.

4 0

3 years ago

Read 2 more answers