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kompoz [17]
3 years ago
6

BRAINLIEST! Can someone please help with the problem below? Thanks.

Mathematics
1 answer:
Agata [3.3K]3 years ago
7 0

Answer:

(8+x  

2

+4x)  

2

+3x(4+4+2x−2x+4−4+x  

2

+2x+2x)+2x  

2

 

Step-by-step explanation:

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A sewing machine is at a 20% off sale. The original price was $340. How much does the sewing machine cost at a 20% off sale?
Anvisha [2.4K]

Answer:

272$

Step-by-step explanation:

Since it is at a sale of 20% off that means that we will have to subtract 100% from 20% which is 80%

Now to find the exact value, we will have to multiply 80%, or 0.80 with 340

0.80*340= 272$

Therefore our answer is 272$

                     - Hope this helped :)

-Brainliest is most appreciated :)

4 0
3 years ago
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Vanya collects vintage albums. Each storage unit holds 16 albums. She gave 3 albums to her cousin as a graduation present. Which
damaskus [11]

Answer:

d

Step-by-step explanation:

vintage gave her cousin 3 albums when she had 16

so y=16x-3.

7 0
3 years ago
The area of a rectangle is x 2 – 3x – 28. If the<br><br>length is x + 4, find the width.
Hatshy [7]

Answer:

-4 square units

Step-by-step explanation:

a = l × b

x2 - 3x - 28 = (x +4)(×)

x2 - 3x - 28 = x2 + 4x

-3x - 28 - 4x = 0

-7x - 28 = 0

-7x = 28

x = -4

7 0
3 years ago
Janine and her older sister Ingrid's ages are consecutive even numbers. When Janine's age is divided by seven, and Ingrid's age
a_sh-v [17]

Answer:

Janine is 28. Ingrid is 30.

Step-by-step explanation:

Let the ages be x and x + 2 for Janine and her sister, respectively.

x/7 + (x + 2)/3 = 14

Multiply both sides by the LCD, 21, to get rid of denominators.

21 * x/7 + 21 * (x + 2)/2 = 21 * 14

3x + 7(x + 2) = 294

3x + 7x + 14 = 294

10x = 280

x = 28

x + 2 = 30

Answer: Janine is 28. Ingrid is 30.

4 0
3 years ago
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Tiara attended 12 piano classes in four weeks. If she attended the same number of classes each week, which equation can be used
skelet666 [1.2K]

Answer:

C

Step-by-step explanation:

Because i'm smart and did the math.

5 0
3 years ago
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