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lbvjy [14]
3 years ago
14

Help anyone pls? Thanks. :)

Mathematics
2 answers:
victus00 [196]3 years ago
8 0

Answer:

d

Step-by-step explanation:

keep change flip

keep 6/7

change division to multiplication

flip 18/3 to 3/18

ki77a [65]3 years ago
6 0

Answer:

its the 4th one

Step-by-step explanation:

Because 6/7 stay the same and 3/18 flips

then you multiply 6/7 times 3/18

Hope i wasnt to late lol

You might be interested in
A police officer would like to estimate the proportion of petty theft cases that have gone unsolved in a large city. He takes a
nata0808 [166]

Answer:

0.625 \pm 1.645*0.0571

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

\pi is the estimate

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}, also called the critical value.

The standard error is:

s = \sqrt{\frac{\pi(1-\pi)}{n}}

90% confidence level critical value

So \alpha = 0.1, z is the value of Z that has a pvalue of 1 - \frac{0.1}{2} = 0.955, so z = 1.645.

Estimate:

72 petty theft cases and finds 45 of these have gone unsolved.

So \pi = \frac{45}{72} = 0.625

Standard error:

s = \sqrt{\frac{\pi(1-\pi)}{n}} = \sqrt{\frac{0.625*0.375}{72}} = 0.0571

Answer:

0.625 \pm 1.645*0.0571

7 0
2 years ago
Help meee please the one i clicked on was by accident thanks
V125BC [204]
B because half the time the answers is B
4 0
3 years ago
A hat is on sale for h dollars. The regular price is 7 times as much. Charlie has enough money to buy two hats at the regular pr
Nostrana [21]

Answer:

Charlie can buy 14 hats at the sale price

Step-by-step explanation:

Let

h ----> the sale price of the hat

x ---> the regular price of the hat

we know that

x=7h ----> equation A

so

Two hats at the regular price  is equal to multiply 2 by x

Multiply by 2 equation A both sides

2x=(7h)*2

2x=14h

2 hats at the regular price cost the same that 14 hats at the sale price

therefore

Charlie can buy 14 hats at the sale price

8 0
3 years ago
Ok i got 2 questions 1 .1 ÷ 38.72 and 0.6 ÷ 0.1518
zloy xaker [14]

Answer:

0.02841 and 3.953

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
Help pls please hmmm​
hichkok12 [17]

Step-by-step explanation:

Here is your answer

  • (2)⁴*³
  • 2¹²

6 0
2 years ago
Read 2 more answers
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