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Paraphin [41]
3 years ago
9

Solve the following system of equations. (15 Points) 5x + 10 = -5y & x + y = -2

Mathematics
1 answer:
Anika [276]3 years ago
8 0

Answer:

x = -2-y

Step-by-step explanation:

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a student earns $11.75 per hour for gardening. if she worked 21 hours this month, then how much did she earn? ​
gtnhenbr [62]

Answer:

$246.75

Step-by-step explanation:

11.75 x 21 = 246.75

hope this helps <3

5 0
3 years ago
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Find the percent of increase from 1.5 inches to 6 inches
Maslowich

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25%

Step-by-step explanation:

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For what power of q is its value 1?​
DedPeter [7]

Answer:

  0, for q ≠ 0 and q ≠ 1

Step-by-step explanation:

Assuming q ≠ 0, you want to find the value of x such that ...

  q^x = 1

This is solved using logarithms.

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  x·log(q) = log(1) = 0

The zero product rule tells us this will have two solutions:

  x = 0

  log(q) = 0   ⇒   q = 1

If q is not 0 or 1, then its value is 1 when raised to the 0 power. If q is 1, then its value will be 1 when raised to <em>any</em> power.

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<em>Additional comment</em>

The applicable rule of logarithms is ...

  log(a^b) = b·log(a)

4 0
2 years ago
Jackson is playing a game of chance where he must randomly draw a marble out of a jar. He calculates the probability of drawing
madam [21]

Answer:

12/15

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If the probability of drawing a read marble is 3/15

Then that would just make the probability of NOT drawing a red marble 12/5

5 0
3 years ago
For the weight of the box that she measured, Beatriz determined the margin of error as 23.5 pounds to 24.5 pounds. What was the
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The greatest possible error is 0.5lb.

The GPE is one half of one unit, no matter which unit you're using or the margin of error you have.

Since we are using pounds in this case, the GPE is 0.5 pounds.
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3 years ago
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