3 years ago

I need help with this question

Mathematics

1 answer:

Murljashka [212]3 years ago

4 0

It is the third on down

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David earns a base rate of $12 an hour and receives a weekly attendance award of $20. he works 40 hours this week. what would be

Pavel [41]

20+12x
20+12(40)
20+480
500
total compensation for this week = $500

7 0

3 years ago

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PLEASE HURRY!! -2n=24 WHAT IS N?

Alja [10]

Answer:

n = -12

Step-by-step explanation:

plug -12 in for n and its -2 x -12 which equals 24

7 0

3 years ago

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If a person's eye level is h meters above sea level and he can see d kilometers to the horizon, then d=3.57h. Suppose the person

olga2289 [7]

Answer:

54.3m

Step-by-step explanation:

h = distance above sea level

d = distance he can sea above sea level

d = 3.57h

h = 15.21m

d = ?

d = 3.57 × 15.21

d = 54.2997m approximately 54.3m

The person can see up to a distance of 54.3m

6 0

3 years ago

I need a little help :)

Naily [24]

So firstly, square root 9a^2 and 49: $3a+7\sqrt{b}-a+\sqrt{b}$

Next, combine like terms, and your answer will be $2a+8\sqrt{b}$ , or the third option.

3 0

3 years ago

. A recent report in a women magazine stated that the average age for women to marry in the United States is now 25 years of age

Setler [38]

Answer: 0.0136

Step-by-step explanation:

Given : Mean : $\mu=25$

Standard deviation : $\sigma=3.2$

Sample size : $n=50$

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

For x = 24

$z=\dfrac{24-25}{\dfrac{3.2}{\sqrt{50}}}=-2.21$

The p-value = $P(z\leq-2.21)= 0.0135526\approx0.0136$

Hence, the probability that the sample mean age for 50 randomly selected women to marry is at most 24 years = 0.0136

3 0

3 years ago