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I am Lyosha [343]
2 years ago
9

Find the value of the expression.

Mathematics
1 answer:
Aleks04 [339]2 years ago
5 0
The answer would be 6.
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Im dumb so help me out here 50 points each Click on the image to enlarge
antiseptic1488 [7]

Answer:

D

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°, that is

∠ 1 + ∠ 2 + ∠ 3 = 180°

Given ∠ 1 + ∠ 2 = 134°, then

134° + ∠ 3 = 180° ( subtract 134° from 180° )

∠ 3 = 46° → D

8 0
3 years ago
18
Cloud [144]

Answer: 100

5

Step-by-step explanation:

a) The mean of a normal distribution is also the median. Half the population will have values above the mean. Half of 200 is 100, so ...

... 100 students will have grades above 70%.

b) 84% is 14% above the mean. Each 7% is 1 standard deviation, so 14% is 2 standard deviations above the mean. The empirical rule tells you 95% of the population is within 2 standard deviations of the mean, so about 5% of students (10 students) got grades higher than 84% or lower than 56%. The normal distribution is symmetrical, so we expect about 5 students in each range.

... about 5 students will have grades above 84%.

3 0
3 years ago
Which of the following mixtures of paint could be used as the missing values in the table ? Choose 2 answers
Kazeer [188]

Answer:

weres the answer how am i going to answer this

Step-by-step explanation:

6 0
3 years ago
Solve for W in A = 2(L + W)
Roman55 [17]

\Large\begin{aligned}\\\\&A = 2(L + W)\\&A = 2L+2W\\&2W=A-2L\\&W=\dfrac{A-2L}{2}\end

4 0
2 years ago
The phrase ''the difference between a number and 5'' can be written as which variable expression flash cards
natulia [17]
X-5 and what are the flash cards do you mean? 
5 0
3 years ago
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