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kotykmax [81]
3 years ago
13

. . 。 。 .

Mathematics
1 answer:
Paladinen [302]3 years ago
8 0

Answer:

7.50

+ 7.50. 40.00

7.50. - 37.50

7.50. ______

7.50. $2.05

______

37. 50

Step-by-step explanation:

sumthin like that.

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What is the slope of the following equation?<br><br> y = -5x -2
Leno4ka [110]
The slope of the following equation is -5, the y- intercept is (0,-2).
6 0
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enice brudley purchased 3,000 shares of GTI petroleum at $6.30 per share. The broker's commission was $19.95 for fewer than 1,00
lesya [120]

Answer:

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Factor 5x2 + 28x – 12.
Masja [62]
Not sure whether the (x) in the first half of the equation refers to Multiply or x so jyst going to assume.

2(5x)+28x-12
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6 0
4 years ago
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Use the given degree of confidence and sample data to construct a confidence interval for the population proportion p. n = 195,
Semenov [28]
Given:
n = 195, sample size.
x = 162, successes in the sample

The proportion is
p = x/n = 162/195 = 0.8308

n* p = 195*0.8308 = 162
n*(1-p) = 195*(1 - 0.8308) = 33
If n*p >= 10, and n*(1-p) >= 10, then the sample proportions will have a normal distribution. This condition is satisfied.

The proportion mean is
μ = 0.8308
The proportion standard deviation is
\sigma =  \sqrt{ \frac{p(1-p)}{n} }  = \sqrt{ \frac{0.8308(1-0.8308)}{195} } =0.0269

σ/√n = 0.0269/√195 = 0.00192

At the 95% confidence level, the interval for the population proportion is
(μ - 1.96(σ/√n), μ + 1.96(σ/√n))
= (0.8308 - 1.96*0.00192, 0.8308 + 1.96*0.00192)
= (0.827, 0.8345)

Answer: The 95% confidence interval is (0.827, 0.835)








5 0
4 years ago
Describe the number 78 in two different ways
attashe74 [19]
78 could be seventy-eight, 78 over 1, and 78/1.

8 0
4 years ago
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