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Georgia [21]
3 years ago
7

I have a 78.5% in my history class i have an exam of 52 questions how many questions do i need to get correct to keep a C averag

e or higher?
Mathematics
1 answer:
mrs_skeptik [129]3 years ago
7 0
I think you'd have to get 41 questions right . But it also depends on the grading scale how many points do you get a question?

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1. There are 10 people in a math club. Three people will be chosen for the Pi Day committee. How many different ways can club me
kaheart [24]

Answer: 120

Step-by-step explanation:

From the question, we are informed that there are 10 people in a math club and that three people will be chosen for the Pi Day committee.

The number of different ways that the club members can structure the committee goes thus:

This can be solved by:

nCr = n! / r! (n - r)!

where n = 10

r = 3

= n! / r! (n - r)!

= 10! / 3! (10 - 3)!

= (10 × 9 × 8) / (3 × 2)

=120

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3 years ago
sara says. "if you subtract 14 from my number and multiply the difference by -4, the result is -80." What is Sara's number?​
statuscvo [17]

Answer:

6

Step-by-step explanation:

-80/-4=20+14=6

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3 years ago
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vesna_86 [32]

Answer:

  • A. Either the mean or the median

Step-by-step explanation:

By looking at the graph, without any calculations we can state, the center is at  point 9, as well as the mean and the median.

The correct answer choice for the question would be A

7 0
2 years ago
(Brainliest) Can someone please answer this
Lorico [155]
1. The perimeter is 20. How I got that is to add all of them together- 9+3+3+3+2=20. The area is the area is 15. How I got that was I did the little square with 3 and 2 first. 3 times 2 = 6, then I did the 3 and 3 which = 9 and added those together 9+6=15

2. The perimeter is 15. How I got that is I add them all together. 6+3+2+2+2=15. The area is 10. I did 3 times 2 = 6, 2 times 2 = 4, 6+4=10
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3 years ago
In the triangle shown below, what is the approximate value of x?
Verdich [7]

Answer:

the answer the answer is the answer is C

Step-by-step explanation:

21 Unity

3 0
3 years ago
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