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3 years ago

I NEED HELP QUICK 50/1 divded by 1/30

Mathematics

2 answers:

miss Akunina [59]3 years ago

7 0

Answer:

1500

Step-by-step explanation:

(50/1)÷(1/30) = (50×30)/(1×1) = 1500

vodka [1.7K]3 years ago

7 0

possibly its 1500

Step-by-step explanation:

50x30=1500

1x1 = 1

1500/1 = 1500

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In a sample of 679 new websites registered on the Internet, 42 were anonymous (i.e., they shielded their name and contact inform

Semmy [17]

Answer:

95% Confidence interval: (0.0429,0.0791)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 679

Number of anonymous websites, x = 42

$\hat{p} = \dfrac{x}{n} = \dfrac{42}{679} = 0.0618$

95% Confidence interval:

$\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

Putting the values, we get:

$0.0618\pm 1.96(\sqrt{\dfrac{0.0618(1-0.0618)}{679}}) = 0.0618\pm 0.0181\\\\=(0.0429,0.0791)$

is the required confidence interval for proportion of all new websites that were anonymous.

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3 years ago

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balu736 [363]

Answer:

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Step-by-step explanation:

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3 years ago

A straight angle is split into two smaller angels as shown. The smaller angle’s measure is 1/6 that of a straight angle. What is

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3 years ago

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Select all the expressions which have 3 as the greatest common factor of the terms.

Natalija [7]

Answer:

b+3+6c, 27n+66p ,12x + 75y + 21

Step-by-step explanation:

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3 years ago

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Rewrite the set T = { 5a + 2b; a,b belong Z} as a list of its elements

Mamont248 [21]

Answer:

T={...,-3,-2,-1,0,1,2,3,4,....}

Step-by-step explanation:

We are given that T={5a+2b; a,b belongs Z}

We have to rewrite the given set T as a list of its elements

Substitute a=0 and b=0

Then we get 5(0)+2(0)=0

Substitute a=-1 and b=2 then we get

5(-1)+2(2)=-1

Substitute a=2 and b=0

Then , 5(2)+2(0)=10

If a=0 and b=1

Then, 5(0)+2(1)=2

Substitute a=0 and b=2

Then, 5(0)+2(2)=4

If substitute a=1 and b=1

5(1)+2(1)=7

If substitute a=-1 and b=3

Then, we get 5(-1)+2(3)=1

Then, T={...,-3,-2,-1,0,1,2,3,4,....}

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4 years ago