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allochka39001 [22]
3 years ago
9

50+10(8*1)+2 What property do you use to solve this and how.

Mathematics
2 answers:
MissTica3 years ago
7 0
You need to use PEMDAS
So first you do the parenthesis.
8*1=8.
So now re-write the problem.
50+10*8+2
Now you are going to multiply.
10*=80
Now re-write the problem again. 
10+80+2
10+80=90+2=92
So the answer to this problem is 92.
Sergio [31]3 years ago
7 0
You should use PEMDAS
(parenthesis, exponents, multiply, divide, add, and subtract)
you can remember it by using 
Please Excuse My Dear Aunt Sally
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Find all exact solutions on [0, 2π). (Enter your answers as a comma-separated list.)
nalin [4]

Answer:

0, \dfrac{\pi}{6}, \dfrac{5\pi}{6},  \pi

Step-by-step explanation:

Given the equation:

sin(x)-2sin(x) tan(x)=0

To find:

The solutions of given equation in the range [0, 2\pi) i.e. 0 can be in the answer but 2\pi can not be there in the answer.

Solution:

Taking tan(x) common, we get:

tan(x) (1-2sin(x))=0

The solutions can be given as:

tan(x) = 0 OR 1-2sin(x) = 0

Let us solve both the equations one by one:

First equation:

tan(x) = 0\\ \Rightarrow x=0, \pi

Second equation:

1-2sin(x) = 0\\\Rightarrow 2sinx=1\\\Rightarrow sinx=\dfrac{1}{2}\\\Rightarrow x = \dfrac{\pi}{6}, \dfrac{5\pi}{6}

Therefore, the answers as a comma separated list are:

0, \dfrac{\pi}{6}, \dfrac{5\pi}{6},  \pi

7 0
2 years ago
Test Scores Find the percentile rank for each test score in the data set. Round to the nearest whole percentile.
photoshop1234 [79]

The percentile rank for 10 will be 10th.

<h3>What is percentile rank?</h3>

The percentile rank of a particular score in statistics refers to the percentage of scores in the frequency distribution that are smaller than that score.

Percentile rank = [(Number of values below x) + 0.5]/ total number of values * 100

For 10,

Percentile rank = {[0 + 0.5]/5} x 100 = 10th

For 15,

Percentile rank = ([1 + 0.5]/5) x 100 = 30st

For 19,

Percentile rank = [2 + 0.5]/5 x  100 = 50th

For 23,

Percentile rank = [3 + 0.5]/5  x  100 = 70th

For 30,

Percentile rank = [4 + 0.5]/ 5  x 100 = 90th

The percentile rank for 10 will be 10th.

To know more about percentile range follow

brainly.com/question/24245405

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7 0
2 years ago
Which method can you use to calculate the y-coordinate of the midpoint of a vertical line segment with endpoints at(0,0) and (0,
ahrayia [7]

Answer:

(0, - 6)

Step-by-step explanation:

Since this is a vertical line then the midpoint of the y- coordinates is

\frac{1}{2}(0 - 12) = - 6

⇒ midpoint = (0, - 6 )


7 0
2 years ago
C. Read and analyze the problem, then solve.
Sliva [168]

Given parameters:

Total length of curtains bought = 20m

She used 8m for the living room

She used 7m for the dining room

unknown:

Quantity used for the kitchen = ?

Solution:

Quantity used for the kitchen = Total length - (living room + dining room)

Input the parameters given solve;

   Quantity used for the kitchen = 20 - (8 + 7) = 5m

The length of curtain used for the kitchen is 5m

5 0
3 years ago
determine the slope of the line that contains the points g(8,1) &amp; h(8,-6). select one: a. 2 b. 5 c. 0 d. undefined
Strike441 [17]
Slope, m= \frac{change in y}{change in x}
slope, m= \frac{1--6}{8-8}
m= infinite
7 0
3 years ago
Read 2 more answers
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