2 years ago

A plane can fly 51 miles in 5 minutes. At this rate, how many miles can the plane fly in 18 minutes?

Mathematics

1 answer:

Vlad [161]2 years ago

5 0

Answer:

183.6

Step-by-step explanation:

51÷5=10.2 10.2×18=183.6

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Let f(x) = - x ^ 3 - (4x - 1) Find f(- 5)

timofeeve [1]

Answer:

146

Step-by-step explanation:

replace every x with -5

3 0

2 years ago

Juan and Nina are in the Junior High Orchestra. As part of the orchestra they each have to learn two instruments. Juan is learni

larisa86 [58]

Answer:

Nina practiced the viola for 11.25 hours last week.

Step-by-step explanation:

Juan practiced the violin for 9 hours last week. For each 3 hours that he practices the violin, he practices 2.5 hours of cello. So

3h violin - 2.5h cello

9h violin - xh cello

$3x = 9*2.5$

$x = 7.5$

He practiced 7.5 hours of cello, the same as Nina.

For every 3 hours Nina spends practicing the viola she practices the cello for 2 hours. So:

3h viola - 2h cello

xh viola - 7.5h cello

$2x = 3*7.5$

$x = 7.5*1.5$

$x = 11.25$

Nina practiced the viola for 11.25 hours last week.

7 0

2 years ago

The volume of a cubic box is 10 to the power of 6 cubic millimeters. Write the volume in standard form

Vinil7 [7]

$1 \times 10^{6} mm^{3}$

5 0

2 years ago

Calculate the force when the pressure is 18 N/M squared and the area is 4 M squared.

Doss [256]

The force is 72 Newton

8 0

2 years ago

What is the value of f(3) in the function f(x)=5/6x+8

natita [175]

For this case we have a function of the form $y = f (x)$ , where $f (x) = \frac {5} {6} x + 8$

We must find the value of the function when $x = 3$ , that is, we must find f (3). So:

$f (3) = \frac {5} {6} (3) + 8\\f (3) = \frac {15} {6} +8\\f (3) = \frac {5} {2} +8\\f (3) = 2.5 + 8\\f (3) = 10.5$

So $f (3) = 10.5$

Answer:

$f (3) = 10.5$

3 0

3 years ago