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vova2212 [387]
3 years ago
14

X^3-x^2-4x factor completely

Mathematics
2 answers:
vitfil [10]3 years ago
5 0

Answer:

Cannot be factored further

Step-by-step explanation:

x^{3} -x^{2}-4x=x(x^{2}-x-4 ) \\

kenny6666 [7]3 years ago
5 0

Answer:

x(x^2-x-4)

Step-by-step explanation:

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Jess was babysitting 4 kids. She brought candy as their reward for being good. Jess kept 10
Dmitry_Shevchenko [17]

Answer:

6 pieces

Step-by-step explanation:

The equation is

4x + 10 = 34

If she had 34 pieces, and kept 10, you can subtract the 10 because she divided the rest of the remaining candy after taking 10.

You now have 24 pieces left to divide, which she does between 4 kids, so you divide it by 4.

7 0
3 years ago
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Solve the problem and specify the units of measure.
Pavlova-9 [17]

Answer:

You ran 13 miles.

Step-by-step explanation:

If your friend ran 8 miles, and you ran 5 more miles, add 5 miles to 8 miles.

That gives you a total of 13 miles you ran on Saturday.

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3 years ago
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A rectangular prism with a volume of 4 cubic units is filled with cubes with side lengths of 1/3 unit. How many 1/3 unit cubes d
Ghella [55]

Answer:

108 cubic units

Step-by-step explanation:

V  = 4 cubic units

v = (1/3)³ = 1/27 cubic units

V/v = 4/(1/27) = 4/1 x 27/1 = 108 cubic units

5 0
4 years ago
A plane can fly 540 miles with the wind in one hour less than it can fly 480 miles against the wind. The average wind speed is 3
Bess [88]

Answer:

The speed of the plane in still air = 150 mph

Step-by-step explanation:

This is a relative velocity question

Let the velocity of the plane in still air be v

And let the time the plane can fly 480 miles against the wind be t

(Velocity of the plane relative to the wind) = (velocity of plane) - (velocity of wind)

Flying against the wind

(Velocity of plane relative to the wind) = (480/t)

(Velocity of the plane) = v

(Velocity of the wind) = 30 mph

(480/t) = v - 30

t = 480/(v-30) (eqn 1)

Flying with the wind

(Velocity of plane relative to the wind) = 540/(t-1)

(Velocity of the plane) = v

(Velocity of the wind) = -30 mph

540/(t - 1) = v + 30

t - 1 = 540/(v+30) (eqn 2)

Since t is equal in both cases, substitute the value of t in eqn 1 into eqn 2.

[480/(v-30)] - 1 = [540/(v+30)]

Multiply through by (v+30)(v-30)

480(v+30) - [(v+30)(v-30)] = 540(v-30)

480v + 14400 - (v² - 900) = 540v - 16200

480v + 14400 - v² + 900 = 540v - 16200

v² + 540v - 480v - 16200 - 14400 - 900 = 0

v² + 60v - 31500 = 0

Solving the quadratic equation,

v = 150 mph or v = -210 mph

We'll pick the positive answer because of the directions we have established.

Therefore, the speed of the plane in still air = 150 mph

Hope this Helps!!!

3 0
3 years ago
Roberto deposited $5,000 into an account with 4.2% interest, compounded monthly.
Marina86 [1]

Answer:

$50,581.9

Step-by-step explanation:

8 0
3 years ago
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