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Bond [772]
3 years ago
14

You had 25$ to spend on seven pencils. After buying them you had 4$. How much did each pencil cost?

Mathematics
1 answer:
Olegator [25]3 years ago
8 0

Answer:

I think the answer would be $3

Step-by-step explanation:

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The propeller blades on a submarine have a radius of 6 feet. At full speed, they turn at 120 revolutions per minute. What is the
bogdanovich [222]

Using proportions, it is found that the angular velocity at the tip of the blade is of 753.98 radians per minute.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Each revolution has 2\pi radians, hence in one minute, the 120 revolutions will have a measure in radians of:

M = 120 x 2pi = 240pi = 753.98

Hence the angular velocity is of 753.98 radians per minute.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0
2 years ago
Can Anyone help me, please? The question and the answer choices are in the attachment below. My answer choice was C. -2. Am I ri
s344n2d4d5 [400]
You should be right :) Good luck!
8 0
3 years ago
Read 2 more answers
Please could someone help
Helga [31]
1. 4x
2. (x+7)(x-7)
3. 25
4. 64
5. 4
6. 15
7. x^2-8x+16
8. 15.4x10^-3
9.5g/cm^3
10. (y/a)/b


5 0
3 years ago
3 times the sum of 1/3 of<br> a number and 8 is 11
Anni [7]

Answer:

I guess this is how to do it....

3×(1/3 of x + 8)=11.

use the 3 to multiply the numbers in the bracket.

3x+24=11.

3x=11-24.

3x=-13.

x= -13/3.

x= -4.33.

4 0
3 years ago
13 points! Please do not use up an answer if you don't know it! I REALLY need help!
PtichkaEL [24]
1// 3
2// -1
3// -2
4// 2
5// 6
6// 145
7// -28
8// -4544
9// -9
I am pretty sure these are all right I'd just double check them
8 0
3 years ago
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