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TEA [102]
3 years ago
13

Make r the subject of x= e + r/d

Mathematics
1 answer:
lbvjy [14]3 years ago
5 0
I think this could be right

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1933-36<br> 1937-40<br> 1931-33<br> 1931-34
sdas [7]
I don't really know
7 0
2 years ago
I just two questions :)
pogonyaev

Answer:

Hi There!!

Step-by-step explanation:

Your answers are:

<h2>1. C</h2><h2>2. A</h2><h2 /><h2 />

I hope this helps!!

- abakugosimp

7 0
2 years ago
Read 2 more answers
What is the circumference of the circle? d=44in​
julsineya [31]

Answer:

138.23 in

hope this helps

have a good day :)

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A music store sold a total of 27 used trumpets and clarinets in one month. Trumpets cost $149 and clarinets cost $99. If total s
vodomira [7]
Answer: 16

Solution:

1) Use letters to identify the variables:

Number of trumpets: t
Number of clarinets: c

2) Translate each statement into algebraic (mathematical) language.

2.1) Sold a total of 27 used trumpets and clarinets

=> t + c = 27

2.2) Trumpets cost $149 and clarinets cost $99

Total cost of the trumpets: 149t
Total cost of clarinets: 99c

Total cost = 149t + 99c

2.3) Total sales were $3223

=> 149t + 99c = 3223.

3) State the system of equations:

Equation (1) t + c = 27
Equation (2) 149t + 99c = 3223

4) Solve the system of equations:

4.1) Multiply equation 1 by 149:

=> 149t + 149c = 4023

4.2) Subtract the equation (2) from the equation obtained in 4.1

=> 149c - 99c = 4023 - 3223

=> 50c = 800

=> c = 800 / 50 = 16

5) Verify the solution:

From equation (1) t = 27 - 16 = 11

Total cost = 149*11 + 99*16 = 3223

Now you have a verified answer: they sold 16 clarinets
7 0
3 years ago
What is (3.14)(87.5)²=____?
Radda [10]

Answer:

24040.625

Hope this helped! I'm not good at explaining the steps, but this is the answer.

5 0
2 years ago
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