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d1i1m1o1n [39]
3 years ago
10

I need Answer pls plz pls pls

Mathematics
1 answer:
Fofino [41]3 years ago
3 0

Answer:

±square root 20

Step-by-step explanation:

x²= 20

x= square root 20

x= 2 square root 5

x≈ 4.4721

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Find f(-2) for f(x) = 5•3*x
nirvana33 [79]
Hello!

You put -2 in for x

I don't know whether it is times x or to the power of x so I will do both

5 * 3 * x

5 * 3 * -2 = -30
------------------------------------------------------------------------------------------------------
5 * 3^x

5 * 3^-2

5 * 1/81 = 5/9 or 0.55555

Hope this helps!
4 0
3 years ago
Read 2 more answers
6 over 7 subtract 4 over 5
gayaneshka [121]

Answer:

2/35

Step-by-step explanation:

6/7-4/5=30/35-28/35=2/35

3 0
3 years ago
How do you write 9,800,100 in exponents and expanded form
Leokris [45]
In exponents it could be 3130.51114^2,  213.998224 and 55.95097086
Happy to Help!
5 0
3 years ago
Are 4/19 and -4 3/4 multiplicative inverse
Ann [662]
Yea they are i would type more but here
4 0
3 years ago
The athletic departments at 10 randomly selected U.S. universities were asked by the Equal Employment Opportunity Commission to
Lesechka [4]

Answer: Mean = 3.5 , median = 2.5, mode = 2, geometric mean = 2.74

Median is the most appropriate measure of central tendency.

The least appropriate = mean

Yes there is an outlier.

Step-by-step explanation:

Given responses : 5, 4, 2, 1, 1, 2, 10, 2, 3, 5.

First arrange them in increasing order, \sqrt[10]{1\times1\times2\times2\times2\times3\times4\times5\times5\times10 }\\\\=\sqrt[10]{24000} \approx2.74

Its sum = 35

Mean of n observations = (Sum of observations) ÷ n

Mean = (35) ÷ 10

=3.5

Here n =10 (even)

Median = average of middle most numbers = \dfrac{2+3}{2}=\dfrac52=2.5

Mode = most repeated number = 2    (thrice)

geometric mean = \sqrt[n]{x_1\times x_2\times.... x_n}

10 is an outlier as it is very large as compare to other numbers.

When outlier is present in data , the median is the most appropriate measure of central tendency.

Mean affected badly by the outlier so it the least appropriate.

4 0
3 years ago
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