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2 years ago

Please answer correctly !!!!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Furkat [3]2 years ago

4 0

Answer:

92 degrees

Step-by-step explanation:

<HEF and <AED are vertical angles.

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Someone has conducted a study to see if there is increased risk of getting lung cancer if you work in a coal mine. In group 1, 3

Aleonysh [2.5K]

The sample relative risk is 10.

<h3>What is relative risk? </h3>

Sample relative risk is the ratio of disease risk or death in an exposed group to the disease risk or death in an unexposed group. Sample relative risk is a descriptive statistic.

What is the sample relative risk?

Sample relative risk = fraction of coal miner who got lung cancer / fraction of non coal miners who got lung cancer

Sample relative risk = (30 / 150) ÷ (5/250)

(1/5) ÷ (1/50

1/5 x 50 = 10

To learn more about sample, please check: brainly.com/question/18521835

5 0

2 years ago

What times what equals 120

Vikki [24]

10.95445115010332•10.95445115010332

5 0

3 years ago

Perform the following divisions. be sure all answers are reduced to lowest terms. 7/12 ÷ 3/4 =

Free_Kalibri [48]

7/12 / 3/4

You can write it as

7/12 * 4/3

=28/36 = 14/18 = 7/9

So, 7/9 is your answer

7 0

2 years ago

Is p=7 a solution of the equation 4p - 5 =16

Ann [662]

No.

4p - 5 = 16

Isolate the variable and the constant.

4p = 21

p = 21/4

7 0

2 years ago

Read 2 more answers

100 POINTS PLEASE HELP ASAP!!!!<br> Explain the concept of using cancellation to reduce fractions.

Setler79 [48]

Explanation:

A "reduced" fraction is one that has mutually prime numerator and denominator. That is, the numerator and denominator have no common factors.

A fraction is "reduced" by canceling common factors from numerator and denominator. If "a" is a factor common to the numerator and denominator of a fraction, that fraction can be written with "a" canceled from each:

$\dfrac{ab}{ac}=\dfrac{a}{a}\cdot\dfrac{b}{c}=1\cdot\dfrac{b}{c}=\dfrac{b}{c}$

Here is a numerical example:

$\dfrac{2}{4}=\dfrac{2\cdot 1}{2\cdot 2}=\dfrac{2}{2}\cdot\dfrac{1}{2}=\dfrac{1}{2}$

A numerator factor and a denominator factor "cancel" because their ratio is 1, the identity element for multiplication. Anything times 1 is just that thing.

3 0

2 years ago

Read 2 more answers