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goldfiish [28.3K]
4 years ago
8

Can anyone answer ...please

Mathematics
1 answer:
WINSTONCH [101]4 years ago
6 0
It is 12 because:
18/6=x/4
Multiply 4 on either side
72/6=x
Simplify
12=x

Hope this helps!!

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Below there are graphs of some inverse proportions. What function each one represent? ​
AysviL [449]

Answer:

  y = 15/x

Step-by-step explanation:

An inverse proportion has the equation ...

  y = k(1/x) . . . . k is the constant of proportionality

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Solving for k, we find ...

  k = xy

The coordinates of the given point can be used to find k:

  k = (3)(5) = 15

Then the equation of the graph is ...

  y = 15/x

3 0
2 years ago
Carlos's ferry ride started at 5:55 p.m. The ferry ride ended at 7:01 p.m.
Serhud [2]

Answer:1 hour 6 minutes

Step-by-step explanation:

5 min from 5:55 til 6:00. Then one whole hour from 6:00 to 7:00. Then, add on that extra 1 min. 1 hour and 6 min.

8 0
3 years ago
2) The school cafeteria serves pizza and fries two days per week. Mohamed wants to conduct a survey as to whether a third day sh
Dafna11 [192]

Answer:

d-interview every student who eats lunch in the cafeteria

Step-by-step explanation:

6 0
3 years ago
Erican System Conversions
gogolik [260]

Answer:

The answer to your question is Area = 3240 ft²   or Area = 360 yd²    

Step-by-step explanation:

Data

length = 30 yd

width = 36 ft

Area = ? ft²

Area = ? yd²

Process

1.- Convert the units

                  1 yd --------------------- 3ft

                 30 yd ------------------   x

                  x = (30 x 3)/1

                  x = 90 ft

                  1 yd ------------------- 3 ft

                  x     ------------------- 36 ft

                  x = (36 x 1) / 3

                  x = 12 yd

2.- Calculate the area of the rectangle in ft²

Area = length x width

-Substitution

Area = 90 x 36

        = 3240 ft²

3.- Calculate the area in yd²

Area = 30 x 12

        = 360 yd²                

                   

7 0
3 years ago
P = 14.7e-0.21x, where x is the number of miles above sea level. To the nearest foot, how high
AlladinOne [14]

9514 1404 393

Answer:

  13064 feet

Step-by-step explanation:

We can rewrite the formula so that x is in feet. Equating the new formula to 8.743 PSI, we have ...

  8.743 = 14.7e^(-0.21x/5280)

Dividing by 14.7 and taking natural logs, we have ...

  ln(8.743/14.7) = -0.21x/5280

Multiplying by the inverse of the coefficient of x gives ...

  x = 5280·ln(8.743/14.7)/-0.21 ≈ 13064.0806

The peak of the mountain is about 13,064 feet high.

5 0
3 years ago
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