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neonofarm [45]
2 years ago
5

Marcus rode his bike 60 miles in 4 hours. Marcus thinks that in order to find the unit rate, he should determine how far he rode

his bike in 2 hour(s). Is Marcus correct?
Mathematics
1 answer:
ELEN [110]2 years ago
4 0

Answer:

No, he is not correct

Step-by-step explanation:

To find the unit rate you need to .60 by 4. you will get 2.4, which is the

unit rate. he rides his bike 2.4 mph.

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The standard deviation of the lifetime of a particular brand of car battery is 4.3 months. A random sample of 10 of these batter
Anuta_ua [19.1K]

Answer:

d. 0.538

Step-by-step explanation:

Given information.

Standard deviation is 4.3

Random sample of 10

Consider the following calculations

P (sample mean is within 1 month of population mean)=

P(-1*sqrt(10)/4.3 <Z<sqrt(10)/4.3)=P(-.735<Z<0.735)

=0.538

7 0
4 years ago
Who actually founded America?
frozen [14]

Answer:Christopher Columbus

Step-by-step explanation:

5 0
3 years ago
An album which originally cost p 900, mark up with 30%. What is the selling price? A. p 970.00 B. p 1070.00 C. p 1170.00 D.p 127
egoroff_w [7]

The markup percentage specifies the amount by which the selling price is

raised above the cost price.

  • The correct option for the selling price is <u>B. p 1,070.00</u>

Reasons:

The original cost of the album = p900

The mark up percentage = 30%

Required:

The selling price

Solution:

The percentage mark up is given by the difference between the price at

which an item is for sale and its cost expressed as a percentage.

\displaystyle Percentage \ mark \ up = \mathbf{\frac{Selling \ price - Cost \ price}{Cost \ price} \times 100}

Therefore, we have;

\displaystyle 30 = \frac{Selling \ price - 900 }{900}  \times 100

\displaystyle 0.3 = \frac{Selling \ price - 900 }{900}

900 × 0.3 = Selling price - 900

270 = Selling price - 900

Selling price = 900 + 270 = 1,070

The selling price is <u>B. p 1,070.00</u>

Learn more about percentage markup here:

brainly.com/question/16959984

4 0
2 years ago
If angle X measures 19* what will kolin use as his measure for angle W ?
KonstantinChe [14]
There is either a thereom or postulate that states that if 2 such angles share the same arc, then the larger will be twice the angle of the smaller

so..
19 \times 2 = 38
5 0
3 years ago
Read 2 more answers
What is 6% of 15? Use a fraction to solve. A 9/10 B 6/10 C 3/50 D 6/100<br>​
Inga [223]

Answer:

A 9/10

Step-by-step explanation:

6% is 0.06 so you do 0.6 times 15 so in decimal form it is 0.9=9/10

8 0
3 years ago
Read 2 more answers
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