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Anuta_ua [19.1K]
3 years ago
12

Identify the function type that best models the data.

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0
The answer is 42,8,6 that it the right answer
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Urgent please!!! I really don’t understand it, tysm to anyone who can answer thissss :))))
Tomtit [17]

Given:

The frequency distribution table.

To find:

The mean average score on a test.

Solution:

The frequency distribution table is

Marks (x_i)                   Frequency(f_i)                  f_ix_i

     x                                     a                               xa

     y                                     b                               yb

     z                                     c                               zc

  Sum                              a+b+c                          xa+yb+zc

Now, the mean average score on the test is

Mean=\dfrac{\sum f_ix_i}{\sum f_i}

Mean=\dfrac{xa+yb+zc}{a+b+c}

Therefore, the mean average score on the test is \dfrac{xa+yb+zc}{a+b+c}.

3 0
2 years ago
Find x <br> Picture Below
Mumz [18]

m∠BEC=(1/2)(mBC + mAD)

110 = (1/2)(x+97)

220 = x+97

x=220 - 97

x= 123⁰

7 0
3 years ago
What does 2.8- 4.4n- 2n + 7 equal?
boyakko [2]

Answer:

2.8- 4.4n- 2n + 7 = -6.4n + 9.8

Step-by-step explanation:

combined like term:

-4.4n - 2n = -6.4n

2.8 + 7 = 9.8

so all you do is combined together and got -6.4n + 9.8

5 0
2 years ago
Read 2 more answers
Rewrite the exponential expression 25^3/2as a radical expression-<br> plss helpp
Agata [3.3K]

Answer:

\huge\boxed{\sqrt{25^{3}}}

Step-by-step explanation:

When we have a number to a fraction power, we need to note that

  • It's the same as taking the denominator root of the base to the numerator power

Basically, for example, 5^{\frac{1}{2}} is the same as \sqrt{5} since the numerator is 1 (5^1 = 5) and the denominator is 2 (\sqrt{5}).

Applying this same logic to 25^{\frac{3}{2}} -

25^{3}

\sqrt{25^3}

Hope this helped!

6 0
3 years ago
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Which equation shows y=34x−52y=34x−52 in standard form?
Nonamiya [84]
<span>y=34x−52
34x - y - 52 = 0</span>
3 0
3 years ago
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