MATHEMATICS HIGH SCHOOL

Manuel created a factor tree and wrote the prime factorization of 60 shown below.60
^
4 15
^
3 5
What is Manuel’s error?

Answers

Answer 1
Answer: "Manuel" here put the arrow in the wrong place. Should be under 15, not 4. PLUS, 4 is not prime, cuz 2 goes into it...
Answer 2
Answer:

Hello there! Your answer is option B). he did not find the prime factors of 4.

That's all! :)

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A helicopter blade spins 775 times in 3 minutes. find the rate of the revolutions per second.

Answers

Use the proportions property:

775 times   ---------- 180 sec
  x               ----------    1 sec

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A picture frame 4 inches wide by 6.5 inches high has a 3 inch by 5 inch photograph place in the center. What is the area of the frame?

Answers

Answer:

A_f=11~inches

Step-by-step explanation:

Area of a Rectangle

A rectangle of width W and height H has an area of:

A = W.H

We have one rectangle inside another. The first rectangle corresponds to the frame and its contents. The second rectangle corresponds to the photograph.

The area of the frame without its contents is the difference between both areas:

A_f = A_e-A_i

Where Ae is the external area of the frame, and Ai is the internal frame of the photograph.

The frame has W=4 inches and L=6.5 inches, thus:

A_e=4~inches*6.5~inches

A_e=26~inches

The photograph has W=3 inches and L=5 inches, thus:

A_i=3~inches*5~inches

A_i=15~inches

The area of the frame is:

A_f = 26 - 15 = 11~inches

\mathbf{A_f=11~inches}

Area =  l × w

=  6.5 × 4

=  26 feet2

I need help on this please

Answers

Answer:

I think 16

Step-by-step explanation:

Rudy ran 12 miles in 1 1/2 hours. if you divied 12 by 3 to see how many miles she runs in 1/2 hour. it is 4 and 12+4=16 she will run 16miles in 2 hours.
It would be 16 for sure

Find the volume of the right rectangular prism by determining the number of unit cubes.A.)21 unit cubes. B.) 24 unit cubes c.) 27 unit cubes d.) 30 unit cubes

Answers

Answer:

The answer is c.) 27 unit cubes.

Step-by-step explanation:

I just took the usatestprep assignment.

Is 2.6 bigger than 2.661

Answers

2.6 = 2.600
So, 2.6 is not bigger than 2.661
No because 2.6 is the same as writing 2.60. Know you know that 2.661 is bigger. (2.60 < 2.661) Hope this helps! :D

What is the volume of 5 m 8m and 10.5m​

Answers

Answer:

Volume = 5×8×10.5 = 420 meters3

Step-by-step explanation:

5×8×10.5
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