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Komok [63]
3 years ago
7

Factor completly: x^2-2x-24

Mathematics
2 answers:
lions [1.4K]3 years ago
8 0

Answer:

(x+4)(x−6)

Step-by-step explanation:

Factoring x2−2x−24

x2−2x−24

The middle number is -2 and the last number is -24.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get -2

Multiply together to get -24

Can you think of the two numbers?

Try 4 and -6:

4+-6 = -2

4*-6 = -24

Fill in the blanks in

(x+_)(x+_)

with 4 and -6 to get...

(x+4)(x-6)

melisa1 [442]3 years ago
4 0
<span>x^2-2x-24 = (x - 6)(x + 4)

cause
</span>(x - 6)(x + 4)
= x^2 - 6x + 4x - 24
= x^2 - 2x - 24

answer
(x - 6)(x + 4)

hope it helps
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3 years ago
What is the multiplicative inverse of the sum of 1/3 + 1/5 ? Express in simplest form
Dima020 [189]
\frac{8}{15}

My Work/Reasoning:
First we find the sum of 1/3 and 1/5. \frac{1}{3} + \frac{1}{5} = \frac{5}{15} + \frac{3}{15} = \frac{8}{15}
Then, we find the multiplicative inverse, I guess it's also known as the reciprocal. \frac{8}{15} turns into \frac{15}{8}
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5 0
3 years ago
Orbital Toys sells two types of sets of magnetic spheres, silver and brass. The store owner, Lucy Ball, pays $8 and $16 for each
sdas [7]

Answer:

The maximum profit will be reached by buying 500 brass magnetic spheres and 1500 silver magnetic spheres.

Step-by-step explanation:

In order to solve this you need to create a system of equations, with two values that will create the answer we are looking for, the thing that we don't know here is how many of each are we buying so the number of silver magnetic spheres will be represented by "y" and the brass magnetic spheres will be represented by "x".

So we know that x+y=2000

That's our first equation, our second would be the expense, which would be

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We now just solve for one of them

x=(2000-y)

8(2000-y)+16y=20,000

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8y=4,000

y=500

So we know that the maximum profit will be reached by buying 500 brass magnetic spheres and 1500 silver magnetic spheres.

5 0
2 years ago
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3 0
3 years ago
Pls help i’ll mark you brainliest
k0ka [10]

Answer:

90°

Step-by-step explanation:

please mark brainliest :))

7 0
2 years ago
Read 2 more answers
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