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3 years ago

Please anything helps. Bisect each angle below (Don’t know what I was doing on the first one)

Mathematics

1 answer:

mr_godi [17]3 years ago

8 0

Answer:

U are doing right but don't move ur compass when u are doing the line (i mean opposite line)otherwise ur line at not bisect

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1-sin60÷cos60=1-Tan30÷1+Tan30

ipn [44]

Step-by-step explanation:

LHS=(1-sin60)/cos60

=(1-√3÷2)/1÷2

=2(1-√3÷2)

=2-√3

RHS=(1-tan30)/(1+tan30)

={1-(1÷√3)}/{1+(1÷√3)}

={(√3-1)/√3}/{(√3+1)/√3}

=(√3-1)/(√3+1)

={(√3-1)(√3-1)}/{(√3+1)(√3-1)}

=(3-√3-√3+1)/(3-1)

=(4-2√3)/2

=2-√3

Therefore LHS=RHS

8 0

3 years ago

A random sample of 10 subjects have weights with a standard deviation of 11.0995 kg. What is the variance of their weights?

goblinko [34]

Answer:

$123.19890025 kg^2$

Step-by-step explanation:

We are given that

Standard deviation, s=11.0995 kg

Sample size, n=10

We have to find the variance of their weights.

We know that

Variance= $(standard\;deviation)^2$

Using the formula

The variance of their weights

= $(11.0995)^2$

= $123.19890025 kg^2$

Hence, the variance of their weights= $123.19890025 kg^2$

6 0

3 years ago

Can 12/52 be made into lowest fraction

lianna [129]

3/13. It reduces by 4. 4 fits into 12 the times and 52 thirteen times.

4 0

4 years ago

PLEASEEE HELPPP MEEE

Scorpion4ik [409]

Answer:

Step-by-step explanation:

12x + 9 = 13x + 1

9-1 = 13x - 12x

8 = x

8 0

3 years ago

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(1 point)<br> 3. In the fraction 5/7 <br> what number represents the numerator

Anastaziya [24]

Answer:

Step-by-step explanation:

5 is the numerator bc the number on top is called numerator

7 0

3 years ago

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