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3 years ago

Help pretty please!!!!!!!!! Thanks.

Mathematics

1 answer:

ivanzaharov [21]3 years ago

4 0

Answer:

The answer is D) 60

Step-by-step explanation:

1st, you have to pick two whole ordered pair points

2nd, you have to use the formula: Y2 - Y1

X2 - X1

3rd, if it has to be simplified, then simplify

4th, you have an answer...

I found two whole ordered pairs which are (2,120) & (4,240).

2 represents X1
120 represents Y1
4 represents X2
240 represents Y2

Y2 - Y1

X2 - X1

240 -120

4 - 2

= 120

Simplify... Divide both 120 &2 by 2 to get this: 60

= 60

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B. Emily is the most popular name among the 1,994,317 females born in 2000. There were

Natali5045456 [20]

Answer:

13%

Step-by-step explanation:

To find what percent a part is of a whole, divide the part by the whole and multiply by 100.

percent = part/whole * 100

percent = 25,952/1,994,317 * 100 = 0.013 * 100 = 13%

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3 years ago

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bonufazy [111]

Answer:21 male drink only coffee

The probability of the probability that any person is male is 0,21

but if you need the probability of the males is 0,57

Step-by-step explanation:

number of people:100

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number of males whos drink only coffee:21

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3 years ago

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Katarina [22]

Answer:

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3 years ago

What is the value of y? 3√3 6√3 9√3 12√3

marshall27 [118]

$6 \sqrt{3}$

7 0

3 years ago

A customer service phone line claims that the wait times before a call is answered by a service representative is less than 3.3

8_murik_8 [283]

Answer:

Step-by-step explanation:

Let x be the wait times before a call is answered in phone calls.

The claim is x bar <3.3 minutes

Sample size n =62

Sample mean - x bar = 3.24 minutes

Population std dev = $\sigma = 0.40 minutes\\$

Since population std dev is known and also sample size is sufficiently large, we can use Z test.

$H_0: x bar = 3.3\\H_a: x bar$

(one tailed test)

Mean difference = 3.24-3.3 = -0.06 min

Std error of sample = $\frac{\sigma}{\sqrt{n} } =\frac{0.40}{\sqrt{62} } \\=0.0508$

Z = tset statistic = $\frac{-006}{0.0508} \\\\=-1.18$

p value = 0.119

Since p value > alpha, we accept null hypothesis.

There is no evidence to support the claim at alpha = 0.08

3 0

3 years ago