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Lilit [14]
2 years ago
11

(2x - 5) (x^2 + x - 2) =

Mathematics
1 answer:
hjlf2 years ago
8 0
It’s 2x^3-3x^2-9x+10

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Kyle spends an equal amount of money each day. After 4 days, he had 4/5 of his money left. After another 10 days he had $30 left
Elden [556K]
4 days spending equal amounts so if x is how much he spends per day and y is the original amount then 4x=1/5y bc he has 4/5 left meaning what he spent was 1/5 of the original and after 10 more days which was 14 total he spent all but 30 so the total minus 30 will be how much kyle spent so
14x=y-30 which is y=(14x+30) and substitute that in for y in 4x=1/5y so 4x=1/5 (14x+30)
20x=14x+30
6x=30
x=5 and plug that in either of the original equations 4(5)=1/5y
y=100
so he had $100 and spent $5 per day
4 0
3 years ago
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What is the slope of the line?
yulyashka [42]

answer:

slope = \frac{y_2 - y_1}{x_2 - x_1}

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8 0
3 years ago
What is the Range and Mean?
velikii [3]

Answer:

Range:35

Mean:27.6

Step-by-step explanation:

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Mean is adding up all the numbers,then divide by how many numbers there are 414 divided by 15

3 0
3 years ago
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PLS HELPP , i tried solving this and i wrote 56 but it was wrong so i don’t know anymore pls pls help
Vedmedyk [2.9K]

Answer:

y = 68

A = 44

Step-by-step explanation:

No matter what may be true, that doesn't look like an a to me.

x = y = 68                x and y are opposite equal sides and are therefore =.

68 + 68 + A = 180  all triangles are 180 degrees.

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A = 180 - 136

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Kobotan [32]

Answer:

a.  2x^2 - 16x + 24.

Step-by-step explanation:

k(x) = 2x^2 − 8

p(x) = x − 4

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= 2(x - 4)^2 - 8

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= 2x^2 - 16x + 24.

8 0
2 years ago
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