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Harrizon [31]
3 years ago
13

Simplify.

11} " alt=" \frac{8+6^2}{11} " align="absmiddle" class="latex-formula"> + 7 x 2
Mathematics
1 answer:
Romashka [77]3 years ago
4 0
\frac{8 + 6^2}{11} + 7 \times 2 \\ \\  \frac{8 + 36}{11} + 7 \times 2 \ / \ simplify \\ \\  \frac{44}{11} + 7 \times 2 \ / \ simplify \\ \\ 4 + 7 \times 2 \ / \ simplify \\ \\ 4 + 14 \ / \ simplify \\ \\ 18 \ / \ simplify \\ \\

The final result is 18.
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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
3 years ago
Find the measure of each angle: complimentary angles with measures (5x) and (4x - 18)
VladimirAG [237]

Answer:

60° and 30°

Step-by-step explanation:

I'm going to assume you mean complementary angles.

Complementary angles are angles that form 90° or a right angle

From the question, it is saying that

(5x) +(4x-18) = 90

To work out x, solve the equation

9x-18 = 90

9x = 108

x = 12

Therefore the angle of 5x is 5x12 or 60° and the angle of (4x-18) is going to be 4x12-18 = 30°

4 0
3 years ago
Read 2 more answers
The diameter of a circle has endpoints at (0,11) and (-6,-1). Write the equation of the circle in standard form.
Nata [24]

Answer:

(x - 3)^2 + (y - 6)^2 = 17

Step-by-step explanation:

The standard form of a circle's equation is (x-h)² + (y-k)² = r² where (h,k) is the center and r is the radius.

(x - 3)^2 + (y - 6)^2 = 17

8 0
3 years ago
1/4•9 solve using fractions
bonufazy [111]
Simple,

use 1/4 and 9 has a 1 over it.

Thus, 

1/4*9/1= 9/4

In mixed number form it's 2 1/4.
7 0
3 years ago
Read 2 more answers
Insurance companies usually charge?
Rom4ik [11]
I think A) Penalties
4 0
3 years ago
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