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lorasvet [3.4K]
3 years ago
14

What is the solution to the equation 4 x - x = ' (x+4)?

Mathematics
1 answer:
Archy [21]3 years ago
4 0

Answer:

If you mean 4x-x=(x+4), x= 2

Step-by-step explanation:

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The sum of 15 and a number is equal to 85. What is the number
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Answer:

The sum of 15 and a number is

85 - 15 = 70

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Amber is solving the inequality X+61- 12 < 13 by graphing. Which equations should Amber graph?
mafiozo [28]

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I think No B is the answer

8 0
3 years ago
A bank wants to estimate the difference in the proportion of its "big" customers who have a second account with a different bank
In-s [12.5K]

Answer:

Kindly check explanation

Step-by-step explanation:

To construct confidence interval for difference in proportion ; the following conditions must be met :

1.) The selected samples must have been randomly chosen or selected from a larger population. This is essential in other to eliminate bias.

Each group of samples must be independently chosen. That is, the samples of bug customers chosen must be independent of the sample of small customers selected.

The population from which the samples are drawn must be considerably larger than the sample size. Sample size, n should be ≤ 10% of the population size.

p1 = 160 / 200 = 0.8 ; (1 - p1) = 0.2

p2 = 120 / 300 = 0.4 ; (1 - p2) = 0.6

(p1 - p2) ± Zcritical * sqrt[(p1(1 - p1) /n1) + (p2(1 - p2) / n2)]

5 0
2 years ago
How to be good at math??? ​
nexus9112 [7]

Step-by-step explanation:

Do more and more practice daily

4 0
3 years ago
Solve for r in the diagram below.<br> (x + 12)<br> 100°
shusha [124]

Answer:

x = 34

Step-by-step explanation:

The sum of the three angles is 180 since they make a straight line

x+12 + 100 +x = 180

Combine like terms

2x+112=180

Subtract 112 from each side

2x+112-112= 180-112

2x = 68

Divide by 2

2x/2 =68/2

x = 34

7 0
2 years ago
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