2 years ago

Winnifred Watchmee made $108 babysitting for herneighbor last month. If she earned $9.00 an hour, howmany hours did she work?

Mathematics

2 answers:

vlada-n [284]2 years ago

7 0

12 hours.......................

Mkey [24]2 years ago

6 0

Answer:

12 hours

Step-by-step explanation:

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Answer:

522

Step-by-step explanation:

516 divided by 9 is 57.34

she would need 522 pennies and she would end up with 9 stacks of 58 pennies

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dmitriy555 [2]

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2 years ago

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Thepotemich [5.8K]

Answer:

The solution is B

Step-by-step explanation:

$x + 5 \geqslant 1 \\ x \geqslant 1 - 5 \\ x \geqslant - 4$

then:

$x - 7 < - 3 \\ x < - 3 + 7 \\ x < 4$

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2 years ago

A sample of n = 4 scores has SS = 48. What is the estimated standard error for this sample? Group of answer choices

mylen [45]

Answer:

Step-by-step explanation:

We have

n = 4 scores

SS = 48

For this question, we are required to find the estimated standard error

To get this, we first solve for the variance

S² = SS/n-1

= 48/4-1

= 48/3

= 16

Then S² = 16

S = √16

S = 4

Then the estimated standard error is given by:

S/√n

= 4/√4

= 4/2

= 2.

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2 years ago