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Valentin [98]
3 years ago
15

Can sb help me it’s due soon

Mathematics
1 answer:
harina [27]3 years ago
7 0

Answer:

I think 84 but you may need to check just to be sure :)

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I’m sorry I don’t know but I need the points:(
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2 years ago
Is the percent increase for 50 to 70 = to the percent decrease from 70 to 50
Arisa [49]

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no it is not equal.

Step-by-step explanation:

when you calculate the percentages, you will find  that the increase has 40% while the decrease has about 28.6%

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3 years ago
Find the slope of a line that crosses through (-5,-2) and (9,3)
N76 [4]

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if you graph the two points, just count the units and put them in a simplified fraction (rise (up or down) divided by run (side to side))

3 0
3 years ago
Read 2 more answers
16x-4=31+12x please help I'm so confused
kolezko [41]
By the way I looked this up but heres the best ive got
<span>Simplifying (-1x + 27) + (16x + 4) = 0 Reorder the terms: (27 + -1x) + (16x + 4) = 0 Remove parenthesis around (27 + -1x) 27 + -1x + (16x + 4) = 0 Reorder the terms: 27 + -1x + (4 + 16x) = 0 Remove parenthesis around (4 + 16x) 27 + -1x + 4 + 16x = 0 Reorder the terms: 27 + 4 + -1x + 16x = 0 Combine like terms: 27 + 4 = 31 31 + -1x + 16x = 0 Combine like terms: -1x + 16x = 15x 31 + 15x = 0 Solving 31 + 15x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-31' to each side of the equation. 31 + -31 + 15x = 0 + -31 Combine like terms: 31 + -31 = 0 0 + 15x = 0 + -31 15x = 0 + -31 Combine like terms: 0 + -31 = -31 15x = -31 Divide each side by '15'. x = -2.066666667 Simplifying x = -2.066666667</span>
4 0
3 years ago
Does the parabola h(t) = -16t2 + 250t open up or down? Why does this make sense?
mash [69]
Down because it has a negative coefficient.
3 0
3 years ago
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