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Kay [80]
3 years ago
6

I need help with this math problem, I'm doing Delta Math on it. Which expression equivalent to c-5c-2c?

Mathematics
1 answer:
pantera1 [17]3 years ago
7 0

Answer:

- 6c

Step-by-step explanation:

c - 5c - 2c  = (1 - 5 - 2)c =  - 6c

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A retailer purchased soccer cleats for $18 from a wholesaler.The retalier sells the cleats for $32.What is the markup rate?Round
Tamiku [17]

Answer:

0.7bar

Step-by-step explanation:

(32-18)/18

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3 years ago
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Plzzz help i will give brainliest if i can
Alla [95]

Answers: choice C and choice E

Plugging x = 3 and y = -1 into both equations of choice C lead to a true result (the same number on both sides). This is why the system of equations listed in choice C is one possible answer. Choice E is a similar story.

If your teacher didn't mean to make this a "select all that apply" type of problem, then it's likely your teacher may have made a typo.

3 0
2 years ago
What is the area of a sector with a central angle of 108 degrees and a diameter of 21.2 cm?
Rasek [7]

Answer:

105.84\ cm^2

Step-by-step explanation:

step 1

Find the area of the circle

The area of the circle is

A=\pi r^{2}

we have

r=21.2/2=10.6\ cm ----> the radius is half the diameter

substitute

A=\pi (10.6)^{2}

A=112.36\pi\ cm^2

step 2

Find the area of a sector

Remember that

The area of the circle subtends a central angle of 360 degrees

so

using proportion

Find out the area of a sector with a central angle of 108 degrees

\frac{112.36\pi}{360^o}=\frac{x}{108^o}\\\\x=112.36\pi(108)/360\\\\x=33.708\pi\ cm^2

assume

\pi=3.14

substitute

33.708(3.14)=105.84\ cm^2

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