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2 years ago

A washing machine marked for $320 was sold at $280. What was the percentage of discount for the washing machine?

Mathematics

2 answers:

Alex787 [66]2 years ago

5 0

Answer:

the person who bought it saved 40 dollars and the percentage saved was 12.50 i just used a discount calculator on google

Step-by-step explanation:

ohaa [14]2 years ago

5 0

Answer:

12.5%

Step-by-step explanation:

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16x − 7 ≤ −71<br><br> find x

My name is Ann [436]

16x-7≤-71
Add 7 to both sides
16x≤-64
Divide both sides by 16
x≤ -4

Hope this helps! :)

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3 years ago

Identify the phrase that cannot be described by the same absolute value as the other three. Explain your reasoning.

r-ruslan [8.4K]

The answer would probably be 18 degrees below normal because the absolute values of the rest are 8 not 18 which is the absolute value of 18 degrees below normal.

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3 years ago

Express the form n:1 give n as a decimal 14:8

Alexus [3.1K]

I’m pretty sure it’s 1. 8:1

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2 years ago

What is the surface area of the figure shown? Plz answer asap

Luba_88 [7]

Answer:

$264\ cm^{2}$

Step-by-step explanation:

we know that

The surface area of the figure is equal to the lateral face of the triangular pyramid plus the lateral face of the rectangular prism plus the area of the base of the rectangular prism

step 1

Find the lateral face of the triangular prism

The lateral area is equal to the area of its four lateral triangular faces

$LA=4(\frac{1}{2}(6)(7))=84\ cm^{2}$

step 2

Find the lateral area of the rectangular prism

The lateral area is equal to the perimeter of the base multiplied by the height

$LA=(4)(6)(6)=144\ cm^{2}$

step 3

Find the area of the base of the rectangular prism

$B=(6)(6)=36\ cm^{2}$

step 4

Find the surface area

$84\ cm^{2}+144\ cm^{2}+36\ cm^{2}=264\ cm^{2}$

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2 years ago

8z=4(2z+1) show step by step

Verizon [17]

8z=4(2z+1)
First you would distribute the constant into the numbers in the parentheses. so
8z=8z+4
then you would combine like terms which in this case would result in a zero.
8z-8z=0 So the z would be zero or no solution.

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2 years ago