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4 years ago

What equals 2 by the power of 0

Mathematics

2 answers:

KIM [24]4 years ago

7 0

Nothing anything times zero would equal as an undefined number

lianna [129]4 years ago

4 0

Any number raised to the power of 0 always equals 1

So 2 raised to the power of 0 = 1

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When conducting a two-tailed z test with a = 0.01, the test value was computed to be 2.07. The decision would be to reject or to

vekshin1

You reject the Null Hypothesis only if the p-value is less than alpha.
p < 0.01

To find the p-value, you need to look up test value 2.07 in a standard normal table. The p-value is probability that Z > 2.07. For a two-tailed test, you include both positive and negative cases. |Z| > 2.07.

When you look up 2.07 you get about 0.98.
This means there is about 2% chance Z > 2.07 or 4% chance |Z| > 2.07.

For the two-tailed test we use p = 0.04
.04 > .01
Therefore we do Not reject the Null Hypothesis.

3 0

3 years ago

At how many points does the graph of function below intercept the

anastassius [24]

Answer:

C. 0

Step-by-step explanation:

The points of intercection between the graph of a quadratic function of the form $ax^{2} +bx+c$ are given by the discriminant of the quadratic formula.

Remember that the quadratic formula is:

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac } }{2a}$

The discriminant of he quadratic formula is just the thing inside the radical, in other words:

$discriminant=b^{2} -4ac$

- If the discriminant is negative, the graph of the quadratic function doesn't intercept the x-axis.

- If the discriminant is positive, the graph of the quadratic function intercept the x-axis at 2 points.

- If the discriminant is 0, the graph of the quadratic function intercept the x-axis at 1 point.

We can infer form our quadratic that $a=4$ , $b=-9$ , and $c=9$ , so let's replace the values in the discriminant:

$discriminant=b^{2} -4ac$

$discriminant=(-9)^{2} -4(4)(9)$

$discriminant=81-144$

$discriminant=-63$

Since the discriminant is negative, we can conclude that the graph of the quadratic function doesn't intercept the x-axis at any point.

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3 years ago

Helppp meeee with thisss for a thanksss

harkovskaia [24]

<h3>Answer: 45 degrees</h3>

The purple arc is 315 degrees. The remaining bit (angle b) must add to 315 to get 360 degrees, which is a full rotation.

315+b = 360

b = 360-315

b = 45

4 0

3 years ago

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Now examine |a + bi| and complete the definition below. The absolute value of any complex number a + bi is the from (a, b) to (0

sergejj [24]

Distance

|a+bi| is the length of the vector from origin to (a,b).

$|a+bi| = \sqrt{a^2 + b^2}$

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4 years ago

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james spent half of his weekly allowance on clothes. to earn more money his parents let him clean the oven for $8. what is his w

____ [38]

$15 - 8 = $7
$7 is weekly allowance

6 0

4 years ago