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patriot [66]
3 years ago
6

Simplify. ​15÷(2+3) pls help

Mathematics
1 answer:
musickatia [10]3 years ago
7 0
15÷(2+3)
15÷5
3

hope this helps
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Which of the following are adjacent angles?
sleet_krkn [62]

Answer:

Solution :

********************************************

Two angles are said to be a pair of

adjacent angles if they have a common

arm and lie on the either sides of the

common arm .

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Now ,

i ) a , b are a pair of adjecent angles .

ii ) c , d are pair of adjecent angles.

iii ) e, f are not adjecent angles .

Step-by-step explanation:

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3 years ago
What is the slope of 4x+5y= -10
Aleonysh [2.5K]

Answer:

-\frac{4}{5}

Step-by-step explanation:

To find the slope, rearrange the equation to y=mx+b or y=mx+c.

4x+5y=-10

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5y=-10-4x

Divide 5 on both sides:

y=\frac{-10-4x}{5}

y=-\frac{4}{5} x-2

In the equation of y=mx+b/y=mx+c, m will be the slope.

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3 years ago
A computer manufacturing company has sent a mail survey to 2,800 of its randomly selected customers that have purchased a new la
vodka [1.7K]

Answer:

The 96% confidence interval for the population proportion of customers satisfied with their new computer is (0.77, 0.83).

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We have to calculate a 96% confidence interval for the proportion.

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The sample proportion is p=0.8.

p=X/n=640/800=0.8

The standard error of the proportion is:

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The critical z-value for a 96% confidence interval is z=2.054.

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MOE=z\cdot \sigma_p=2.054 \cdot 0.014=0.03

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LL=p-z \cdot \sigma_p = 0.8-0.03=0.77\\\\UL=p+z \cdot \sigma_p = 0.8+0.03=0.83

The 96% confidence interval for the population proportion is (0.77, 0.83).

4 0
3 years ago
Convert each fraction to a decimal then a percent 4/25 3/11
sashaice [31]

Answer:

4/25=0.16=16%

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Step-by-step explanation:

5 0
3 years ago
Find the selling price. Round to the nearest cent.
Mrac [35]
10% of 13 is 1.3 so 13+1.3= 14.3
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3 years ago
Read 2 more answers
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