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Alex
1 year ago
12

Larisa earns $7 per hour.she worked 40 hours at the regular rate, 3 hours at time and half, and 6 hours at double time.

Mathematics
1 answer:
VARVARA [1.3K]1 year ago
6 0

Answer:

$6.07/hr. if I understand the question properly.  See below.

Step-by-step explanation:

I don't see the question, but will assume we want to find Larisa's base pay.  The $7/hr given is the average for the work sequence noted in the problem.  If this is incorrect, ignore the answer.

==================================

Let x be Larisa's base salary.  We are told, I think, that in one stretch of time Larisa earned an average of $7/hour.  That was composed of:

<u>Hours</u>  <u>Rate($/hr)</u>

  40           x

    3        1.5x

<u>     6    </u>     2x

  49

Her total income over this period would be:

40x +3(1.5x) + 6(2x)  [The hours worked times the pay rate for each period]

Her average income per hour would be:

(40x +3(1.5x) + 6(2x))/49

which we are told is $7/hr.

(40x +3(1.5x) + 6(2x))/49 = 7

40x + 4.5x + 12x = 343

56.5x = 343

x = $6.07/hr

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Hannah scored a total of 170 points on two math tests. The score of the first test was 6 points lower than the second test. How
tester [92]
Ok so in order to do this, you have to set up an equation. Let's make a=the score of the first test and b=the score of the second test. (You can choose different variables, it doesn't matter.) It says the sum of the two equals 170. So, a+b=170. It also says that the score of the first was 6 less than the second. This can be shown as a=b-6. Now you can plug this in for a in your original equation. It will look like:

(b-6)+b=170

You can solve for b.

2b-6=170
2b=176
b=88

Since you want a, plug into either equation for b. I'll use the second one.

a=88-6

So, a=82
8 0
3 years ago
Point B has coordinate B(1, –1). What is the coordinate of B' under a scale factor of 3?
Zarrin [17]

Answer:

The coordinate B' is B' = (3, -3).

Step-by-step explanation:

The new coordinate is computed by applying the scale factor with respect to origin:

B' = \alpha \cdot B

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B' = (3\cdot 1, 3 \cdot (-1))

B' = (3, -3)

3 0
3 years ago
15 (x – 1) + 4 ( x + 3 ) = 2 ( x + 9) + 4
Rudiy27

Answer:

x=1.47

Step-by-step explanation:

15(x-1)+4(x+3)=2(x+9)+4

15x-15+4x+12=2x+18+4

19x-3=2x+22

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3 0
3 years ago
Read 2 more answers
PLEASE HELP MY I REALLY NEED IT! I WILL GIVE BRAINLIEST
stepan [7]

Answer:

7+7+7+7+7+7-25.os answer you need an

8 0
3 years ago
John's dog slept for 3 hours. If the dog snored every 13 1 3 13 1 3 of an hour, how many times did he snore? Play media comment.
hichkok12 [17]

Answer:

9 times

Step-by-step explanation:

A dog snores 1/3 of an hour

60 minutes = 1 hour

Hence,

1/3 of 60 minutes = 20 minutes

Hence, every 20 minutes, the dog snores

This means in 1 hour, the dog snores 3 times

The dog slept for 3 hours

Hence,

1 hour = 3 times

3 hours = x

Cross. Multiply

x = 3 × 3 times

x = 9 times

The dog snores 9 times

8 0
3 years ago
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