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Gennadij [26K]
3 years ago
13

-3-2 I'm confused as if you minus it or times it?

Mathematics
2 answers:
Sindrei [870]3 years ago
7 0

Answer:

-5

Step-by-step explanation:

You probably minus it. If you were to multiply it, then it would've been put in parenthesis or phrased in a better way like (-3)(-2).

WITCHER [35]3 years ago
6 0

Answer:


Step-by-step explanation: Negative 3 (-3) MINUS (-) 2 .. type it in on a calculator so you don't get confused negative numbers can be tricky for beginners.. good luck :}


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According to the National Education Association (NEA), teachers generally spend more than 40 hours each week working on instruct
abruzzese [7]

Answer:

The median number of hours worked per week for the sample of 13 high school science teachers is 52.

Step-by-step explanation:

Median of a data set:

The median of a data set is the element that separates the lower 50% of the set from the upper 50%.

If the cardinality n of the set is odd, the median is the element at the position (n+1)/2 of the sorted sed.

If the cardinality n of the set is even, the median is the mean between the elements at the position n/2 and (n/2)+1 of the sorted sed.

In this question:

Hours worked for the sample of 13 high school science teachers:

55, 58, 52, 52, 56, 59, 48, 63, 52, 52, 50, 52, 56

Sorting in an ascending way:

48, 50, 52, 52, 52, 52, 52, 55, 56, 56, 58, 59, 63

Cardinality of 13, so odd, the median is the element at the 13+1/2 = 7th position of the sorted set, which is 52.

The median number of hours worked per week for the sample of 13 high school science teachers is 52.

8 0
3 years ago
a group of friends went to lunch. the bill, before sales tax and tip, was $37.50. a sales tax of 8% was added. the group then ti
valentina_108 [34]
First, there was $37.50.
Then, there was a tax of 8%.
Then, there was a tip of 18%.
Since the tip is after the tax, it's not going to affect it, and we can essentially ignore it.

The real question here is just <em>what is 8% of $37.50?</em>

To find the percent of something, first you need to put the percent as a decimal.

8% in decimal form is 0.08 (If you think about it literally, they're both 8 hundredths)

Finally, just multiply the percent in decimal form by the number.

37.50 dollars × 0.08 = 3 dollars.<em />
6 0
3 years ago
Read 2 more answers
The quadratic function h(t) = -16t^2 + 120 represents the height of 120 feet. what is the height of the object after 1.5 seconds
Anettt [7]

Answer:

84 feet

Step-by-step explanation:

-16(1.5)^2+120=84

5 0
3 years ago
Choose the expression that would equal the number of hours in the following question. If a car averages 50 1/3 miles per hour, h
Reika [66]
50 (1/3) mph
47 (1/2) = 47.5 mph

47.5 / 50 (1/3) = <span> <span> <span> 0.943708609271523 </span> </span> </span> hours

times 60 =
<span> <span> <span> 56.6225165563  </span> </span> </span> minutes =

56 minutes <span><span><span>37.3509933775 </span> seconds

</span></span>
6 0
3 years ago
Read 2 more answers
53 - 21 + 62 + (25 ÷ 5)
Alisiya [41]

Answer:

48

Step-by-step explanation:

So your equation is: 5y3 - 21 + 6y2 + (25 ÷ 5) and y = 2.

Evaluate for y=2

5(23)−21+6(22)+

25

5

5(23)−21+6(22)+

25

5

=48.

So the answer is 48.

4 0
3 years ago
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