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3 years ago

What the polynomial in standard form of (X-3)(X-4)=

Mathematics

2 answers:

IRINA_888 [86]3 years ago

6 0

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good luck

Anna007 [38]3 years ago

4 0

Answer:X^2-7x-12

Step-by-step explanation:

That’s how it is

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What is the measure of each exterior angle of a decagon?

NemiM [27]

The sum of all of the exterior angles of any regular polygon is 360 (I'm assuming by decagon you mean a regular dodecagon).

Because the total has to be 360, and a decagon has 10 sides, you divide 360 by 10 to get each exterior angle.

360 ÷ 10 = 36, so each exterior angle of a decagon is 36 degrees.

3 0

3 years ago

PLEASE HELP ASAPPP!!! 15PT QUESTION!!! Suppose that a ball is rolling down a ramp. The distance traveled by the ball is given by

Sever21 [200]

Answer:

The average velocity of the ball is $137.5 \:ft/sec$

Step-by-step explanation:

First find the velocities at given times and then form two points. Calculate the slope to find the average velocity. The two points are:

$\left(6,\:396\right)\quad and \quad \:\left(6.5,\:464.75\right)$

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}=\frac{464.75-396}{6.5-6}$

$m=137.5$

Best Regards!

5 0

3 years ago

Use the graphs to estimate both solutions to x^2+x-4=0

Bogdan [553]

Answer:

No graph so we'll use the quadratic formula

x^2+x-4=0

a = 1

b = 1

c = -4

x = -1 +- sqr root (1^2 - 4 * 1 * -4) / 2

x = (-1 +- sqr root (1 +16) ) / 2

x1 = (-1 + sqr root (17)) / 2

x2 = (-1 - sqr root (17)) / 2

Step-by-step explanation:

4 0

3 years ago

(4x²-5x+10)+ (6x³+7x²-9x+2) <br> MAKE THIS IN ALGEBRA TILES NONSENSE ANSWER REPORT

ruslelena [56]

Answer:

6x^3+11x^2-14x+12

Step-by-step explanation:

We just simply add like terms (terms with same power of x):

$6x^3+(4x^2+7x^2)+(-5x+-9x)+(2+10)$

Like terms are in brackets now

So you just simplify now to give you:

$6x^3+11x^2-14x+12$

8 0

2 years ago

Create a list of steps, in order, that will solve the following equation 1/4(x+5)^2-1=3

Paul [167]

Answer:

Add 1 to each side

Multiply each side by 4

Take the square root of each side

Subtract 5 from each side

Combine terms

Step-by-step explanation:

1/4(x+5)^2-1=3

Add 1 to each side

1/4(x+5)^2-1+1=3+1

1/4(x+5)^2=4

Multiply each side by 4

4*1/4(x+5)^2=4*4

(x+5)^2=16

Take the square root of each side

sqrt((x+5)^2)=±sqrt(16)

x+5 = ±4

Subtract 5 from each side

x+5-5 = -5 ±4

x = -5 ±4

Combine terms

x = -5+4 x = -5-4

x = -1 x = -9

7 0

3 years ago