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Maksim231197 [3]
3 years ago
15

45 2 If = 2, what is the value of A) O B) 1 C) 2 D) 4.

Mathematics
1 answer:
eimsori [14]3 years ago
7 0

Answer:

Tangent = opposite / adjacent

Tangent of 45º equals 1

Step-by-step explanation:

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A recent study by Ohio State University reported at Science Daily suggests that students with cell phones may take more risks th
777dan777 [17]

Answer:

The value of the test statistic z for this hypothesis test is -2.79

Step-by-step explanation:

Consider the provided information.

To calculate the test statistic use the formula:

z=\frac{\hat p-p_0}{\sqrt{\frac{p_0(1-p_0)}{n}}}

Where, z  is Test statistics, n is Sample size, p₀ = Null hypothesized value  and \hat p = Observed proportion.

p₀ = 0.50

Thus 1-p₀= 0.50

42% responded that if they had a cell phone, thus \hat p=0.42

The sample size is 305.

Substitute the respective values in the above formula.

z=\frac{0.42-0.50}{\sqrt{\frac{0.50(0.50)}{305}}}

z=\frac{-0.08}{\sqrt{0.00082}}

z=-2.79

Hence, the value of the test statistic z for this hypothesis test is -2.79

4 0
3 years ago
Pls someone help me do this will give brainless
kenny6666 [7]

Answer:

Step-by-step explanation:

3 0
3 years ago
What is the answer ? i have to match it
jek_recluse [69]

Answer:

  see below

Step-by-step explanation:

As with many multiple-choice questions, the appropriate choices can often be determined with a simple test. Here, you only need to look at the values of the constants. (Those are ringed in blue.)

4 0
3 years ago
What is the approximate total percent off when you buy something at "An extra 20% off of 40% off"?
Georgia [21]

Answer:

48%

Step-by-step explanation:

let's say the initial price of an item is $100

if you take 40% off then you pay only $60

now if you take 20% off 60 you pay $48

$48 is 48% of 100

8 0
3 years ago
1 2/3 divided by 3/16
KATRIN_1 [288]
1 2/3 divided by 3/16

5/3 / 3/16

KCF (Keep, Change, Flip)

5/3 * 16/3

5 * 16 = 80

3 * 3 = 9

5/3 * 16/3 = 80/9

8 8/9

Hope this helps!
4 0
3 years ago
Read 2 more answers
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