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Elena-2011 [213]
3 years ago
14

How do you expand and simplify (x-8)(x+5)

Mathematics
1 answer:
AVprozaik [17]3 years ago
3 0
The answer is x² +5x -8x
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2 ( 4 x + 4 ) + 6 ( 2 x + 6 ) + 4 = 20 x + 48 solving for x
Alisiya [41]

Answer:

infinitely many solutions

Step-by-step explanation:

8x+8+12x+36+4=20x+48

20x + 48 = 20x + 48

0= 0

3 0
3 years ago
The expression (n^14)(n^3) is equivalent to n^x<br> What is the value of x
Andre45 [30]

Answer:

17

Step-by-step explanation:

add the exponents

7 0
3 years ago
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“Ms. Blanco drove her car at a speed of 80 kilometers per hour for 1 1/2 hours, then at a speed of 100 kilometers per hour for 2
lara31 [8.8K]
I’m pretty sure it’s 370 bc
1 and a half hours is 80+40 (40 is half of 80)
and 2 and a half hours, so 100 for each hour.
100+100+50= 250

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answer : 370 kilometers per hour
8 0
2 years ago
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Make a conjecture about the next item in the sequence.<br> 1, 4, 16, 64, 256
ale4655 [162]
1024 , multiply the last number by 4
8 0
3 years ago
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If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?
tatiyna
F(x) = 4 - x²    g(x) = 6x

(g - f)(x) = g(x) - f(x)

(g - f)(3) = g(3) - f(3)

g(x) = 6x

g(3) = 6*3 = 18

f(x) = 4 - x²

f(3) = 4 - 3² = 4 - 9 = -5

(g - f)(3) = g(3) - f(3) = 18 - (-5) = 18 + 5 = 23

 (g - f)(3) = 23
7 0
3 years ago
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