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quester [9]
3 years ago
15

Greta made the following scores on her first semester history tests: 60, 84, 88, 94, 94, 96. Which measure would she use in summ

arizing her scores to give the most favorable impression of her performance? A. mean B. median C. mode D. range
Mathematics
2 answers:
natka813 [3]3 years ago
5 0
Your answer would be A) Mean.
Hope this helps~!
~{Dunsforhands}
il63 [147K]3 years ago
4 0
You would use A THE MEAN

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Write the quadratic equation whose roots are 3 and -1, and whose leading coefficient is 5.
Assoli18 [71]

Answer:

5x² - 10x - 15 = 0

Step-by-step explanation:

Given that the roots are x = 3 and x = - 1, then the factors are

(x - 3) and (x + 1) and the quadratic is the product of the factors, that is

f(x) = a(x - 3)(x + 1) ← a is a multiplier

Here a = 5, thus

f(x) = 5(x - 3)(x + 1) ← expand factors using FOIL

     = 5(x² - 2x - 3) ← distribute parenthesis by 5

     = 5x² - 10x - 15

Thus equation is

5x² - 10x - 15 = 0

6 0
3 years ago
When an object falls freely, the formula for the distance it falls is d= 4.9t^2 where d is
german

Answer:

a) 122.5 m ; b) 10 s

Step-by-step explanation:

Just use the given equation and plug in what you know.

a)

d = 4.9t^2

d = 4.9(5^2)

d = 4.9 * 25

d = 122.5 m

b)

d = 4.9t^2

490 = 4.9t^2

100 = t^2

t = 10 s

3 0
2 years ago
Read 2 more answers
Can someone please help me find this answer.
Stels [109]

Answer:

-2x+4

Step-by-step explanation:

multiply all the components of the bracket by - 1.

then you arrive at the answer above

8 0
3 years ago
If 5 becomes 11 and 12 becomes 25, what does 15 become?
Amiraneli [1.4K]

Answer:

31.

Step-by-step explanation:

5+5 = 10 + 1 = 11

12 + 12 = 24 +1 = 25

15 + 15 = 30 + 1 = 31

I don't know I tried to see if that was the pattern. It checks out math wise.

5 0
3 years ago
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Inessa05 [86]

no thanks but I'll see if I can get friends to join

8 0
3 years ago
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