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3 years ago

Multiply. Do not round your answer. Be sure to include a decimal point in your answer.

Mathematics

2 answers:

lions [1.4K]3 years ago

6 0

Answer:

Step-by-step explanation:

11.59

* 1.7 Remove the decimal point 3 spaces (remember to add that at the end)

1159

* 17

________

8113

11590

_________

19,703 add the decimal space => 19.703

RUDIKE [14]3 years ago

5 0

Answer:

19.703

Step-by-step explanation:

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Last year, 50% of MNM. Inc. employees were female. It is believed that there has been a reduction in the percentage of females i

Serhud [2]

Answer:

We conclude that there has been a significant reduction in the proportion of females.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 400

p = 50% = 0.5

Alpha, α = 0.05

Number of women, x = 118

First, we design the null and the alternate hypothesis

$H_{0}: p = 0.50\\H_A: p < 0.50$

This is a one-tailed test.

Formula:

$\hat{p} = \dfrac{x}{n} = \dfrac{118}{400} = 0.45$

$z = \dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

Putting the values, we get,

$z = \displaystyle\frac{0.45-0.50}{\sqrt{\frac{0.50(1-0.50)}{400}}} = -2$

Now, we calculate the critical value.

Now, $z_{critical} \text{ at 0.05 level of significance } = -1.645$

Since the calculated z-statistic is less than the critical value, we fail to accept the null hypothesis and reject it. We accept the alternate hypothesis.

Thus, there has been a significant reduction in the proportion of females.

3 0

3 years ago

Lines l and m are parallel. If the m∠1 = 45 degrees, which of the following angles does not measure 45 degrees? ∠2 ∠4 ∠7

Elena L [17]

Answer:

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Step-by-step explanation:

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3 years ago

Multiply -c^2(3c-2) apply distributive property and multiply

alexandr402 [8]

Answer:

$\large\boxed{-c^2(3c-2)=-3c^3+2c^2}$

Step-by-step explanation:

$-c^2(3c-2)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(-c^2)(3c)+(-c^2)(-2)\\\\=-3c^3+2c^2$

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3 years ago

How do you solve 13x+8-15x=6+x+11

AfilCa [17]

First you need to combine like terms

13x+8-15x=6+x+11

-2x+8=x+17
-x -8 -x -8

-3x=9
--- ----
-3 -3

x=-3

I hope I've helped!

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3 years ago

What’s the correct answer for this question?

LenKa [72]

Answer:

Step-by-step explanation:

60° in Radians = 1.047

Using Formula

s=rθ

s= 7(1.047)

s ≈ 7.36

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3 years ago