MATHEMATICS HIGH SCHOOL

Solve for n. Round to the tenths place, if necessary. 9.75/24 = 5.85/n

A. n = 10.6 ounces
B. n = 14.4 ounces
C. n = 9.8 ounces
D. n = 15.2 ounces

Answers

Answer 1
Answer: n = 14.4 

so it would be "B" 

24 x 5.85 = 140.4 

9.75 x n = 9.75n

140.4/9.75 = 14.4 
n=14.4

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Which of the following groups of numbers are all prime numbers? A. 2, 5, 15, 19 B. 7, 17, 29, 49 C. 2, 3, 5, 9 D. 3, 11, 23, 31

Answers

So,

The prime numbers from 1 to 50 are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47.

Group A contains 15, which is a composite number (3 * 5).

Group B contains 49, which is a composite number (7 * 7).

Group C contains 9, which is a composite number (3 * 3).

Group D contains no composite numbers.  They are all prime.

Group D contains only prime numbers.
some prime numbers
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just try to divide by those and if you an, then it isn't prim

A. 15/3=5 so not prime
B. 49/7=7, not prime
C. 9/3=3 not prime
D. all prime


answe ris D

Help me please I’m struggling 20 points

Answers

31.5

7 x 4 = 28 + 3.5 = 31.5
The answer is D. 4x7=28, half of 7 is 3.5, 28+3.5=31.5

A machine needs 2 of its gears replaced. You find 2 gears, one manufactured 5 years ago and the other manufactured 10 years ago. The specifications sheet says that the chance of failure is 5% after 5 years and increases to 8% after 10 years. If the gears on the machine are in no way linked to each other, what are the chances that both will fail? Answer in % form.If someone could show me the steps I would really appreciate it! Thanks!!!

Answers

Probability that gear 1 will fail = 5/100 (upto 10 years) 
and 8/100 (after 10 years)

Probability that both will fail = 5/100 * 8/100
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Answer:

0.4%.

Step-by-step explanation:

If the gears on the machine are not linked to each other, the probability that both replacement gears will fail is 0.4%.

Distance between (3,-4) and (-2,5)

Answers


26 minutes ago, I gave you a complete solution for the distance
between (-1, 2) and (7, 8).  As I wrote it, I gave you a complete
explanation of every step, so that you would then know how to
find the distance between ANY two points.

Go back and review that one.  Then use the same procedure to solve
this one.  When you're finished, you'll have the solution to this one ...
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1,000^8=10^w what does w equal

Answers