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DIA [1.3K]
2 years ago
15

Suppose a store has an item on sale for 25% off the original amount. By what percent does the store have to increase the price o

f the items in order to sell the item for the original amount? Explain.
Mathematics
1 answer:
natita [175]2 years ago
6 0

Answer:

25%

Step-by-step explanation:

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Solve the equation: -8(2a-1)=36
SashulF [63]

The solution to the given equation is \frac{-7}{4}.

<h3>What is an expression?</h3>

Expression is a finite combination of symbols that is well-formed according to rules that depend on the context. An expression is a combination of numbers, variables, or a combination of numbers and variables, and symbols and it is connected by the sign of equal.

We have,

Expression -8(2a - 1) = 36

So,

Now,

To get the solution to this expression,

i.e.

-8(2a - 1) = 36

Rewrite it as,

i.e.

Opening Brackets,

We get,

-16a + 8 = 36

Now,

Taking variable terms on one side and other terms on another side,

We get,

-16a = 36 - 8

On solving we get,

-16a = 28

i.e.

a = \frac{-28}{16} = \frac{-7}{4}

So,

The solution to the given equation is \frac{-7}{4}.

Hence, we can say that the solution to the given equation is \frac{-7}{4}.

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7 0
2 years ago
Read 2 more answers
Select the correct answer.
Arlecino [84]

Answer:

C

Step-by-step explanation:

the conference interval

8 0
3 years ago
The perimeter of a rectangle is 24 feet and the length is 3 times the width. What are the dimensions?
nataly862011 [7]
I hope this helps you




width w



length 3w



Perimeter=2. (width + length )



Perimeter=2 (w+3w)



24=2.4w



w=3


3w=3.3=9
4 0
3 years ago
Susan Bought a soccer ball for her brother. She wants to fool him by putting the ball into a box before wrapping it. The balls c
frutty [35]

Answer:

Ball cannot be fit inside the box.

Step-by-step explanation:

Given:

Circumference of ball = 26 inches

Dimension of box = 8.25 in x 8.25 in x 8.5 in.

We need to find the whether ball gets fits inside the box.

First we will find the Diameter of ball.

Circumference of ball is given so we will find radius of the ball.

Circumference of the sphere is equal to 2 times π times radius.

framing in equation form we get;

2\pi \times r =26\\\\r= \frac{26}{2\pi}= 4.14\ in.

Now we will find the Diameter of the ball.

Diameter of ball is equal to 2 times radius.

framing in equation form we get;

Diameter of ball =  2\times 4.14 = 8.28\ in

Now given that two parallel sides of box has dimension which is 8.25 in.

Since Dimension of box is smaller than diameter of the ball.

Hence we can say that ball cannot be fit inside the box.

5 0
3 years ago
10. (SLO) Evaluate the expression for the given values of the variables: 3x + 8y - 7 if x= 2 and y = 6
Naily [24]
For this question, you would simply plug in a 2 wherever you see an x and plug in a 6 wherever you see a y. Then you simplify the expression.

3(2) + 8(6) - 7
6 + 48 - 7
47
Hope this helps!
7 0
3 years ago
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