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nordsb [41]
2 years ago
13

Is 1/2(12x + 24) and -6 (-x- 2)

Mathematics
1 answer:
ikadub [295]2 years ago
6 0
I hope this helps you



12x/2+24/2



6x+12


-6 ( -x-2)
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7 = 3/9x solve for x
noname [10]

Answer:

x = 1/21

Step-by-step explanation:

7 = 3/9x

Multiply both sides by 9x

7 x 9x = 3/9x x 9x

9x cancels out on the right side

63x = 3

Divide both sides by 63 to isolate x

63x/63 = 3/63

x = 1/21

4 0
3 years ago
Read 2 more answers
What value of w is a solution to this equation?<br> w/2 = 6<br> w = 10 or w = 12
Monica [59]
W=12 would be the correct answer. I got this because if you divided 12 by 2, (12/2) you would get 6!
5 0
3 years ago
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Internet providers: In a survey of 935 homeowners with high-speed Internet, the average monthly cost of a high-speed Internet pl
BlackZzzverrR [31]

Answer:

68% of plans cost between $62.16 and $86.52.

Step-by-step explanation:

The Empirical Rule states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean: 74.34

Standard deviation: 12.18

Bell-shaped is the same as normally distributed.

Estimate the number of plans that cost between $62.16 and $86.52.

62.16 is one standard deviation below the mean.

86.52 is one standard deviation above the mean.

By the Empirical rule, 68% of the measures are within 1 standard deviation of the mean.

So

68% of plans cost between $62.16 and $86.52.

7 0
3 years ago
You are dealth one card from a 52-card deck. find the probability that you are dealt a two or a black card
grigory [225]
The probability of getting a 2 or a getting a black card, find individual probabilities; 

A standard deck has 52 cards. 

There are 4 2's in a normal deck; probability of getting it is 4/25 

The probability of getting a black card is; 26/52 since half the deck is red and black. 

Now add up the probabilities since it says "or" 

(4/52)+(26/52)=30/52 probability of the card that you were dealt being a two or a black card. 

Hope I helped :) 
6 0
3 years ago
I need the top 2 pls
Andreas93 [3]

Answer:

Step-by-step explanation:

7:8 is 7/8

9:5

5 0
2 years ago
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