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otez555 [7]
3 years ago
7

A clothing shop is offering a 12 percent discount for senior citizens. Which equation represents the discount price?

Mathematics
2 answers:
Tpy6a [65]3 years ago
8 0

Answer:

C. price = (original price)(0.12)

Step-by-step explanation:

Amanda [17]3 years ago
6 0

Answer:

discount price = (original price)(0.12)

Step-by-step explanation:

took the test ;)

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In a certain lottery, 5 numbers between 1 and 13 inclusive are drawn. These are the winning numbers. How many different sections
Molodets [167]
13 choose 5=13x12x11x10x9x8!/5x4x3x2x8!=1287
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8 0
3 years ago
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A train is traveling at a constant speed. The diagram represents the train's distance and time. What is the speed of the train?
Over [174]
240÷6=40 so the answer would be "The train is traveling 40 miles per hour."
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3 years ago
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I need help with this please. :)
jek_recluse [69]

9514 1404 393

Answer:

  1. 2x
  2. 2
  3. 128x +640

Step-by-step explanation:

1.

  \displaystyle\frac{8x^2-4x}{4x-2}=\frac{4x(2x-1)}{2(2x-1)}=\boxed{2x}

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2.

  \displaystyle\frac{8x-4}{x+3}-\frac{12x-20}{2x+6}=\frac{8x-4}{x+3}-\frac{4(3x-5)}{2(x+3)}=\frac{8x-4-2(3x-5)}{x+3}\\\\=\frac{8x-4-6x+10}{x+3}=\frac{2x+6}{x+3}=\frac{2(x+3)}{x+3}=\boxed{2}

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3.

  \displaystyle\frac{(2x+10)^7}{(x+5)^6}=\frac{(2(x+5))^7}{(x+5)^6}=2^7(x+5)^{7-6}=128(x+5)\\\\=\boxed{128x+640}

5 0
3 years ago
Consider the example of finding the probability of selecting a black card or a 6 from a deck of 52 cards.
Marina86 [1]

Answer:

The probability of selecting a black card or a 6 = 7/13

Step-by-step explanation:

In this question we have given two events. When two events can not occur at the same time,it is known as mutually exclusive event.

According to the question we need to find out the probability of black card or 6. So we can write it as:

P(black card or 6):

The probability of selecting a black card = 26/52

The probability of selecting a 6 = 4/52

And the probability of selecting both = 2/52.

So we will apply the formula of compound probability:

P(black card or 6)=P(black card)+P(6)-P(black card and 6)

Now substitute the values:

P(black card or 6)= 26/52+4/52-2/52

P(black card or 6)=26+4-2/52

P(black card or 6)=30-2/52

P(black card or 6)=28/52

P(black card or 6)=7/13.

Hence the probability of selecting a black card or a 6 = 7/13 ....

7 0
3 years ago
What does equivalent mean in math
nirvana33 [79]
Same is the answerso it means equal to
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3 years ago
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