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2 years ago

Factor completely: X^3-5x^2-9x+45

Mathematics

2 answers:

DENIUS [597]2 years ago

5 0

Answer:

(x-5) (x^2-9)

Hope it helps....

lesantik [10]2 years ago

4 0

Answer:

x^2(3x-5)-9(x_5)

I think that is the answer and hope you will benefit from it

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A photocopier can make 20 copies per minute. which equation can be used to find m, the number of minutes the copier takes to mak

Alex777 [14]

Answer:

It's Option'A' i.e 20m=75

Step-by-step explanation:

or,m=75/20

or,m=3.75

8 0

2 years ago

Cuanto le falta a 425,000 para llegar a 500,000<br><br> Ayúdenme por favor

Sauron [17]

Answer:

375,000 no se sisera esa

4 0

2 years ago

Read 2 more answers

1) A projectile is thrown upward so that its distance above the ground after t seconds is

leonid [27]

Answer:

After 22 seconds the projectile reach its maximum height of 4,840 units

Step-by-step explanation:

we have

$h(t)=-10t^{2}+440t$

This is a vertical parabola downward (because the leading coefficient is negative)

The vertex is a maximum

Find out the coordinates of the vertex

Convert the quadratic equation in vertex form

Factor -10

$h(t)=-10(t^{2}-44t)$

Complete the square

$h(t)=-10(t^{2}-44t+22^2)+(10)(22^2)$

$h(t)=-10(t^{2}-44t+22^2)+4,840$

Rewrite as perfect squares

$h(t)=-10(t-22)^{2}+4,840$

The vertex is the point (22,4,840)

therefore

After 22 seconds the projectile reach its maximum height of 4,840 units

4 0

2 years ago

Please help I will make you the brainiest (please no link people)

Andre45 [30]

Answer:

Solution,

Radius(r)=6 cm

Height(h)=20 cm

Volume of cylinder= pi (r)^2 h

=3.14*(6)^2*20

=3.14*36*20

=2260.8 cm^3

Hope it helps

Good luck on your assignment

4 0

2 years ago

Help me find the answer

expeople1 [14]

Answer:

D. $16.42

Step-by-step explanation:

In order to find the sales tax of a product, you need to multiply the product's price by the sales tax in decimal form.

To find the decimal form of a percentage, you simply move the decimal paint two spaces to the left. So, 8.25% in decimal form is 0.0825.

199.99 * 0.0825 = 16.499175

This number is closest to $16.42, so D is the correct answer.

4 0

2 years ago