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4 years ago

Factor x^2 + 10x -18

Mathematics

1 answer:

vovangra [49]4 years ago

3 0

This one is no factor, cant do it

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20x^2-12x-8 a. (10x+2) (2x+5) b.(5x+2) (4x-4) c. (5x-2) (4x+4) d. (10x-2) (2x-5)

almond37 [142]

Answer:

Step-by-step explanation:

20x^2 - 12x - 8

4 ( 5x^2 - 3x - 2 )

5 * - 2 = - 10

Factors of - 10

1 , - 10

10, - 1

2, - 5

5, - 2

5x^2 - 5x + 2x - 2

5x (x - 1) 2 (x - 1)

4 (x - 1) (5x + 2)

(4x - 4) (5x + 2)

7 0

3 years ago

What is the measure of angle x? Enter your answer in the box. x = UwU PLZ help

MissTica

I think it might be 43° because since the line is going through the middle, it would be 180-47-90=43 (the 90 came from the right angle)

hope this helps! :)

7 0

3 years ago

Read 2 more answers

During a blizzard, Daniel lost power for 40 hours. His neighbor lost power for 2 days. Whose power was out longer?

andriy [413]

Answer:

his neighbors

Step-by-step explanation:

there are 48 hours in 2 days, which means that his neighbors power was out longer.

8 0

2 years ago

At the circus, a clown is shot from a cannon. This situation can be modeled by the function: h = – 16t2 + 45t + 15, where 'h' is

weeeeeb [17]

Answer:

The maximum height is 46.64 feet.

Step-by-step explanation:

If we take the derivative of h whit respect to t and equal this to zero we would find the value of t which corresponds to the maximum h.

So, we have the function h(t):

$h(t)=-16t^{2} + 45t + 15$

Taking the derivative, we have:

$\frac{dh(t)}{dt}=-32t + 45=0$

Now, we solve it for t:

$t=\frac{45}{32}=1.4\: s$

Finally, we put this value of t into the original equation.

$h(t)=-16(1.4)^{2} + 45(1.4) + 15$

$h_{max}=46.64\: ft$

Therefore, the maximum height is 46.64 feet. All the given options are wrong, the one that comes closest is option A.

I hope it helps you!

4 0

3 years ago

Help me please help

Iteru [2.4K]

I am not sure but i think it’s 56•

8 0

3 years ago