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kiruha [24]
3 years ago
11

Erika worked 14 hours last week and 20 hours this week. If she earns $9 per hour, how much did she earn these two weeks?

Mathematics
2 answers:
kondor19780726 [428]3 years ago
7 0
If you add 14 and 20 youll get her total amount of hours then you multiply her hours by 9 and your answer is 306%

Nitella [24]3 years ago
4 0
(14×9)+(20×9)
126+180= $306
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DENIUS [597]

Answer:

  g ≈ 34.7 in

Step-by-step explanation:

The law of sines is useful for this:

  f/sin(F) = g/sin(G)

Multiplying by sin(G), we have ...

  g = f·sin(G)/sin(F) = (61 in)·sin(34°)/sin(79°)

  g ≈ 34.7 in

7 0
3 years ago
Give me a topic for my mathematical investigation.​
Molodets [167]

There are a few you can choose from:

Statistics and probability

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6 0
3 years ago
Plz help me 75 points for the 2 questions!!!
liraira [26]

Answer:

<h3>#1</h3>

<u>The system of equations:</u>

  • 2x + 7y = -11
  • 3x + 5y = -22

Solve by elimination.

<u>Triple the first equation, double the second one, subtract the second from the first and solve for y:</u>

  • 3(2x + 7y) - 2(3x + 5y) = 3(-11) - 2(-22)
  • 6x + 21y - 6x - 10y = -33 + 44
  • 11y = 11
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<u>Find x:</u>

  • 2x + 7*1 = -11
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  • 2x = -18
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<u>The solution is:</u>

  • x = -9, y = 1
<h3>#2</h3>

<u>Simplifying in steps:</u>

  • 8u - 29 > -3(3 - 4u)
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3 0
3 years ago
Solve the equation<br> -3(x - 5) = 45
Olegator [25]

Answer:

x= -10

Step-by-step explanation:

Divide both sides by the numeric factor on the left side, then solve.

x  =  −  10

plz brainliest :'D

7 0
3 years ago
Is using the associative property of addition a good strategy for simplifying (4/3 + 2/3) + 2? Why or why not?
Kitty [74]

Answer:

I say yes because when u solve it and flip the ( )'s, you get the same answer.

Step-by-step explanation:

Work:

(4/3 + 2/3) + 2

6/3 + 2

2 + 2

= 4

4/3 + (2/3 + 2)

4/3 + 8/3

12/3

= 4

Hope this helps!!

3 0
3 years ago
Read 2 more answers
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