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enot [183]
3 years ago
10

Which is a factor of x2 + 5x − 24?

Mathematics
2 answers:
Alex Ar [27]3 years ago
7 0
The factor is x-3 x+8 at
Ad libitum [116K]3 years ago
3 0

Answer:

(x−3)(x+8)

Step-by-step explanation:

The middle number is 5 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 5

Multiply together to get -24

Can you think of the two numbers?

Try -3 and 8:

-3+8 = 5

-3*8 = -24

Fill in the blanks in

(x+_)(x+_)

with -3 and 8 to get...

(x-3)(x+8)

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The approximate distance from the top of the tree to the top of the shadow is 20ft
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2 years ago
Find |-54| <br> A. 54<br> B. -54
Zinaida [17]
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3 0
3 years ago
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What do the following two equations represent? y=-3x+1 y+5= -3(x-2) a) the same line b) distance parallel lines c) perpendicular
Softa [21]

Answer:

  a) the same line

Step-by-step explanation:

The first equation is the "slope-intercept form" of the equation of a line with slope -3 and y-intercept +1. The second equation is the "point-slope form" of the equation of <em>the same line</em>. The "point" in this form is (x, y) = (2, -5), which is a point that satisfies the first equation:

   y = -3x +1

  -5 = -3(2) +1  .  .  .  . true

The two equations represent the same line.

3 0
3 years ago
3102 base 4 to base 2 *show work please*
Shalnov [3]
3102 base4 = 3x4^3+ 1x4^2 + 2x1 = 3x64 + 1x16 + 2 = 210 base10
The powers of 2 are 2, 4, 8, 16, 32, 64, 128, 256
210 = 128 + 64 + 16 + 2 = 2^7 + 2^6 + 2^4 + 2^1 = 11010010 base2

A faster method is to each digit in base 4 to two digits in base 2
3 base4 = 11 base2
1 base4 = 01 base2
0 base4 = 00 base2
2 base4 = 10 base2
So 3102 base4 = 11010010 base2

If you wanted to convert base 4 to (say) base 5 you would need the first method and convert to base 10 first
5 0
3 years ago
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