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Elanso [62]
3 years ago
7

Ann thought of a number N, multiplied it by 5 and added 7. Then she told the result R to Jim. Write a formula that will tell you

the value of R for any value of N
Mathematics
1 answer:
antoniya [11.8K]3 years ago
6 0

Answer:

R=5N +7

Step-by-step explanation:

We want to write a formula for the statement:

Ann thought of a number N, multiplied it by 5 and added 7.

When we multiply N by 5, we get 5N

When we add 7 to 5N we get 5N+7

Our formula now becomes:

R=5N +7

You might be interested in
Suppose that, on a 3,000-mile New York to Los Angeles flight, United Continental, American, and Southwest flew a total of 270 em
allsm [11]

Answer:

The number of empty seats each of these three airlines carried on its flight are as follows:

United Continental = 150 empty seats

American = 50 empty seats

Southwest = 70 empty seats

Step-by-step explanation:

Note: This question is not complete. The complete question is therefore provided before answering the question. See the attached pdf for the complete question.

The explanation of the answers is now provided as follows:

Let U, A and W represents number of empty seats of United Continental, American, and Southwest respectively. Therefore, we have:

U + A + W = 270 ………………………. (1)

Since United Continental had three times as many empty seats as American, this implies that:

U = 3A ………………………………… (2)

Substituting U = 3A into equation (1), we have:

3A +A + W = 270

4A + W = 270

W = 270 - 4A ………………………….. (3)

For the cost, we have:

3,000[((14.90 / 100) * 3A) + (14.60A / 100) + (12.40W / 100)] = $114,990

((14.90 / 100) * 3A) + (14.60A / 100) + (12.40W / 100) = $114,990 / 3,000

((14.90 / 100) * 3A) + (14.60A / 100) + (12.40W / 100) = 38.33

0.447A + 0.146A + 0124W = 38.33

0.593A + 0.124W = 38.33 ………………… (4)

Substituting W = 270 - 4A from equation (3) into (4) and solve for A, we have:

0.593A + 0.124(270 - 4A) = 38.33

0.593A + 33.48 - 0.496A = 38.33

0.593A - 0.496A = 38.33 - 33.48

0.097A = 4.84

A = 4.84 / 0.097

A = 49.8969072164948

Rounding to a whole number, we have:

A = 50

Substituting A = 50 into each of equations (2) and (3), we have:

U = 3 * 50 = 150

W = 270 - (4 * 50) = 70

Therefore, the number of empty seats each of these three airlines carried on its flight are as follows:

United Continental = 150 empty seats

American = 50 empty seats

Southwest = 70 empty seats

Download pdf
6 0
2 years ago
Explain how the Quotient of Powers was used to simplify this expression. = 22 By finding the quotient of the bases to be , and c
9966 [12]

the correct question in the attached figure

(2^5)/8=2^2

we have

8----------- >2^3

(2^5)/8----------- >  (2^5)/(2^3)=2^(5-3)=2^2

therefore 

2^2=2^2-- ------> is ok

 the answer is by simplifying 8 to 2^3 to make both powers base two and subtracting the exponents

5 0
3 years ago
Which number(s) below belong to the solution set of the inequality? Check all
pickupchik [31]

Answer:

C)  1

F)  29

Step-by-step explanation:

all numbers less than 30 are solutions

3 0
3 years ago
Read 2 more answers
Sooo I need to know the answer to the second picture
tatuchka [14]

Answer:

Origin symmetry?

Step-by-step explanation:

I believe it's origin, simply because it isn't symmetric according to either the x or y axis, but I'm not 100% sure

3 0
3 years ago
A car is 108 inches long.
lozanna [386]

Answer:

D if car's length is 180 and not 108

Step-by-step explanation:

Truck is 75% longer than the car implies that the length of the truck is 175% (100+75 = 175) of the length of the car.

175/100 × 108

= 189 inches

None of the above

If we take the car's length to be 180 inches, then

175/100 × 180 = 315 inches

5 0
3 years ago
Read 2 more answers
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