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2 years ago

Gellar hit a golf ball 300 meters across the field. How many kilometers did the golf ball travel?

Mathematics

1 answer:

torisob [31]2 years ago

7 0

Answer:

Step-by-step explanation:

1000 meters in a kilometer

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Solve for x: 1/2 (10x+6)=-2x+10

pickupchik [31]

Answer: x = 1

Step-by-step explanation:

substitute 1 for x

1/2(10(1)+6) = -2(1)+10

1/2(10+6) = -2+10

5+3 = -2+10

8=8

8 0

2 years ago

15% of 25 is what? Please answer asap

olganol [36]

Answer: 3.75

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

A survey found that 89% of a random sample of 1024 American adults approved of cloning endangered animals. Find the margin of er

Kobotan [32]

Answer:

The margin of error for the survey is 0.016

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 1024

Sample proportion:

$\hat{p} = 89\% = 0.89$

We have to find the margin of error associated with a 90% Confidence interval.

Formula for margin of error:

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

$z_{critical}\text{ at}~\alpha_{0.10} = 1.64$

Putting the values, we get:

$M.E = 1.64\times (\sqrt{\dfrac{0.89(1-0.89)}{1024}})\\\\M.E=0.016$

Thus, the margin of error for the survey is 0.016

3 0

3 years ago

2 less then 5 times a number

Alex

Answer:

5-2n

Step-by-step explanation:

4 0

4 years ago

Simplify (6^7)^3<br> will give brainlist

pychu [463]

Answer:

The answer is D.

Step-by-step explanation:

You have to apply Indices Law,

${ ({a}^{m}) }^{n} \: ⇒ \: {a}^{mn}$

So for this question :

${ ({6}^{7}) }^{3}$

$= {6}^{7 \times 3}$

$= {6}^{21}$

6 0

3 years ago