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andrezito [222]
1 year ago
14

Which of the following is a monomial? O A. 11x-9 OB. 20x9 OC. 20x⁹ - 7x O D.9/x​

Mathematics
1 answer:
Drupady [299]1 year ago
7 0

Answer:

B. 20x⁹

Step-by-step explanation:

A monomial is a polynomial with just one term.

Example: 3x²

A. 11x - 9

INCORRECT, this has two terms 11x and 9

B. 20x⁹

CORRECT, this only has one term!

C. 20x⁹ - 7x

INCORRECT, this has two terms 20x⁹ and 7x

D.9/x

INCORRECT, this is not a polynomial

Learn more about Polynomial here: brainly.com/question/12099138

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A store is having a sale in which all items are reduced by 20%. Including tax, Jennifer paid $21 for a pair of shorts. If the sa
Tju [1.3M]

Answer: the original price of the shorts was $25

Step-by-step explanation:

Let x represent the original price of the shorts.

The store is having a sale in which all items are reduced by 20%. This means that the amount of discount on the shorts is

20/100 × x = 0.2x

The price of the shorts would be

x - 0.2x = 0.8x

If the sales tax is 5%, then the amount of sales tax charged is

5/100 × 0.8x = 0.04x

The final cost of the shorts would be

0.8x + 0.04x = 0.84x

Including tax, Jennifer paid $21 for a pair of shorts. This means that

0.84x = 21

x = 21/0.84

x = 25

5 0
3 years ago
Cody wants to watch a movie that is 3 hours long he has watched 1/6 of the movie. How much time did Cody spend watching the movi
Anettt [7]

Answer:

3 hours is 60×3=180

1/6 of 180 =180÷ 6= 30

30 mins is the answer

Step-by-step explanation:

if you want to find another position other than 1/6 like 4/6 then you can just times the answer in this case 30 by the amout u need in this case 4 so 4/6 would be 120 which is 2 hours

8 0
3 years ago
Which best summarizes the Pythagorean Theorem?
bezimeni [28]

Answer:

the bottom right one

Step-by-step explanation:

3 0
2 years ago
5,400 inches to miles
Anit [1.1K]
1inch= 0,8(3) feet

5,400*0,8333 : 5280=  4,4999 :5280=0, 085 miles
4 0
3 years ago
Read 2 more answers
Which expression shows how 8⋅54 can be rewritten using the distributive property
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8 * 54 = 8 * 50 + 8 * 4 = 8(50 + 4)
7 0
2 years ago
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