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sweet [91]
2 years ago
13

Brenda’s Boards manufactures skateboards. Each skateboard sells for $45 and includes the following expenses: $3 for the wheels a

nd mounts, $1 for the plastic board, $1 for the paint, and $10 for the labor. What is the total revenue the company makes after selling 10 boards? $300 $350 $400 $450
Mathematics
2 answers:
Neporo4naja [7]2 years ago
8 0

<u>Answer:</u>

$450

<u>Step-by-step explanation:</u>

We are given that Brenda's Boards manufactures skateboards and sells them for $45 each.

The wheels in the skateboard are for $3, plastic board for $1, paint for $1 and $10 for the labor.

We are to find the total revenue generated if they sell 10 skateboards.

For that, we just need to multiply the price of a skateboard by 10.

Total revenue = 10 x 45 = $450

Dvinal [7]2 years ago
3 0

Answer:

$450

Step-by-step explanation:

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For a standardized psychology examination intended for psychology majors, the historical data show that scores have a mean of 52
Ludmilka [50]

Answer:

the probability that a sample of the 35 exams will have a mean score of 518 or more is <em> 0.934 </em>or<em> 93.4%</em>.

Step-by-step explanation:

This is s z-test because we have been given a sample that is large   (greater than 30) and also a standard deviation. The z-test compares sample results and normal distributions. Therefore, the z-statistic is:

(520 - 518) / (180/√35)

= 0.0657

Therefore, the probability is:

P(X ≥ 0.0657) = 1 - P(X < 0.0657)

where

  • X is the value to be standardised

Thus,

P(X ≥ 0.0657) = 1 - (520 - 518) / (180/√35)

                       = 1 - 0.0657

                       = 0.934

Therefore,  the probability that a sample of the 35 exams will have a mean score of 518 or more is <em>0.934 or 93.4%</em>.

3 0
2 years ago
Anne has 24 more cards than Devi.  Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards.  How many cards does Anne
Sophie [7]
A=24xD
3/5xD=1/2xA
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d=12x5/3
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8 0
1 year ago
Solve 5(2x + 4) = 15. Round to the nearest thousandth.
11Alexandr11 [23.1K]

5(2x + 4) = 15\\10x+20=15\\10x=-5\\x=-\dfrac{5}{10}=-0,5

5 0
2 years ago
Read 2 more answers
6 people sharing 40 lbs of gold evenly. How many do they get? Then subtract 1 2/3 from the result of the problem above &amp; sim
r-ruslan [8.4K]

Answer: 6

Step-by-step explanation:

Given Data:

Number of people = 6

Amount of Gold to be shared = 40lbs

Subtract 2/3 from your answer.

Therefore

If six people are to share 40lbs of gold evenly

= 40lbs / 6

Divide through by 2

= 20lbs / 3

= 20lbs / 3 - 2/3

= 18/3

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Each person would get approximately 6lbs of gold

7 0
1 year ago
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When a breeding group of animals is introduced into a restricted area such as a wildlife reserve, the population can be expected
jasenka [17]

Answer:

A. Initially, there were 12 deer.

B. <em>N(10)</em> corresponds to the amount of deer after 10 years since the herd was introducted on the reserve.

C. After 15 years, there will be 410 deer.

D. The deer population incresed by 30 specimens.

Step-by-step explanation:

N=\frac{12.36}{0.03+0.55^t}

The amount of deer that were initally in the reserve corresponds to the value of N when t=0

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N=\frac{12.36}{0.03+1} =\frac{12.36}{1.03} = 12

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B. N(10)=\frac{12.36}{0.03 + 0.55^t} =\frac{12.36}{0.03 + 0.0025}=\frac{12.36}{y}=380

B. <em>N(10)</em> corresponds to the amount of deer after 10 years since the herd was introducted on the reserve.

C. N(15)=\frac{12.36}{0.03+0.55^15}=\frac{12.36}{0.03 + 0.00013}=\frac{12.36}{0.03013}= 410

C. After 15 years, there will be 410 deer.

D. The variation on the amount of deer from the 10th year to the 15th year is given by the next expression:

ΔN=N(15)-N(10)

ΔN=410 deer - 380 deer

ΔN= 30 deer.

D. The deer population incresed by 30 specimens.

8 0
2 years ago
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