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Katena32 [7]
3 years ago
9

Multiply (x − 4)(x2 + 6x − 5)

Mathematics
1 answer:
3241004551 [841]3 years ago
5 0

Answer:

x^3+2x^2-29x+20

Step-by-step explanation:

We use the Foil method below, first multiplying x by each of the components of the second equation, then the same with -4:

x^3+6x^2-5x-4x^2-24x+20

We simplify by combining like terms, giving us x^3+2x^2-29x+20.

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A car traveled at a constant speed. The graph shows how far the car traveled, in miles, during a given amount of time, in hours.
snow_tiger [21]

Answer:

Step-by-step explanation:

A car traveled at a constant speed as shown in the graph.

Distance traveled is on the y-axis and duration of travel on the x-axis.

Point A(3.5, 210) shows,

Distance traveled = 210 miles

Time to travel = 3.5 hours

So the point (3.5, 210) shows the distance traveled by the car in 3.5 hours is 210 miles.

Slope of the line = speed of the car = \frac{\text{Distance traveled}}{\text{Time}}

                           = \frac{210}{3.5}

                           = 60 mph

Now we will find the speed of the car at another point B(1, 60).

If the speed of car is same as the point B as of point A, point B will lie on the graph.

Speed of the car at B(1, 60) = \frac{\text{Distance traveled}}{\text{Time}}

                                             = \frac{60}{1}

                                             = 60 mph

Hence, we can say that point B(1, 60) lies on the graph.

8 0
3 years ago
1. What length of material do you need to purchase for the dress portion of the outfit? A. 82 in. B. 41 in. C. 70 in. D. 91 in.
dmitriy555 [2]
I think answer 91 in. D
8 0
3 years ago
Explain the difference between perimeter and area. If possible, give a real life example of when you might have to measure the p
emmainna [20.7K]
Area-the amount of space that a 2 dimensional figure takes up

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for area i guess if you were going to build a stop sign you need to know the area of the shape so you know how much metal you need

for perimeter you may need to find the perimeter of a lake to be able to put a walkway around it so you need to know how much sidewalk you need
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3 years ago
Y + 1 = -4(x + 1)<br> Graph the equation
Juliette [100K]

Answer:

-4x-5

Step-by-step explanation:

sorry I can't get the graph

4 0
3 years ago
Read 2 more answers
If I’m in elementary now when will I be in college? - <br> -
alisha [4.7K]
Depends on your grade in elementary, and when you decide to attend college after you graduate.
4 0
3 years ago
Read 2 more answers
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