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Sergeu [11.5K]
3 years ago
11

Simplify each expression using the Order of Operations.

Mathematics
1 answer:
NARA [144]3 years ago
7 0

Answer:

a)(11-7)+3

=(4)+3

=7

b)4.3+10.2

=12+20

=32

c)35÷7.4-15.8

=5.4-15.8

=20-120

=-100

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A multiplication expression with a product of 5 to the 13th power is...
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Advocard [28]

Answer:

x=0

Step-by-step explanation:

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What is 2(6+5•2)=5(4-2•5)
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Breyana is buying a new dress. The dress is on sale for 20% off. Breyana will also have to pay 10% sales tax on the discounted p
Vinvika [58]

Answer:

Breyana paid 88% of the dress's original price.

Step-by-step explanation:

We are given the following in the question:

Let x be the original price of dress.

The dress is on sale for 20%.

Price of dress after discount =

(x-0.20x)

Breyana will also have to pay 10% sales tax on the discounted price of the dress.

Price of dress after discount =

0.10(x-0.20x)

Total cost of dress =

(x-0.20x) + 0.10(x-0.20x)

We have to calculate percentage of original price paid by Breyana

\dfrac{(x-0.20x) + 0.10(x-0.20x)}{x}\times 100\%\\\\=\dfrac{0.80x+0.08x}{x}\times 100\%\\\\=\dfrac{0.88x}{x}\times 100\%\\\\=88\%

Thus, Breyana paid 88% of the dress's original price.

7 0
4 years ago
5/2x = 25/4 so x = ?????
Cerrena [4.2K]
I believe that the answer is x=2.5.
6 0
3 years ago
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