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fredd [130]
3 years ago
14

I need help with this??

Mathematics
1 answer:
Marina86 [1]3 years ago
3 0

Select both the 2nd and 4th options!

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4. In ADEF, ZE is a right angle. If the side opposite ZD has a length of 17 and the length of the hypotenuse
Len [333]
The answer would be 2, 41° i think
5 0
2 years ago
Prove sin^2 theta-sin^2 theta is sin tetha sin 3 theta<br><br>how to prove..pls help!! thanksss
Artemon [7]
Simply you can substitute theta=45 degrees (or any angle,not zero) in left hand side and right hand side.

or 

using a^2 - b^2 =(a+b)(a-b)

= sin(2x+x)sin(2x-x)
= sin 3x sin x
3 0
3 years ago
A dessert manufacturer wanted to know if adding a preservative to their cupcakes extended their shelf life before going stale. T
aliina [53]

Answer:

The correct option is C) The results were not statistically significant but were practically significant.

Step-by-step explanation:

Consider the provided information.

They found that the difference in these shelf lives had a p-value of 0.24. Assume an α of 0.05.

We reject the null hypothesis if p value is less than α.

We are fail to reject null hypothesis if p value is greater or equal to α.

Here p value is greater than 0.05.

So, we do not reject null hypothesis and conclude that result is not statistically significant. But, there is a practical difference between 3 days and 7 days.

Therefore, the correct option is C) The results were not statistically significant but were practically significant.

8 0
3 years ago
G(x)=x-2<br> h(x) = 3x - 4<br> Find (g+hXG)
julsineya [31]

Answer:

3

x

2

X

−

10

x

X

+

8

X

+

g

Step-by-step explanation:

4 0
3 years ago
Draw the fraction 18/6 using a picture
Softa [21]

Anytime you want to show a fraction as a picture, the rule is as follows:

The numerator -- The number of things you want after you divide

The denominator - How many ways you want to divide.

Let's assume you have three PAYDAY candy bars. (I choose this because it's a six letter word - you can use whatever candy bar or food you wish.) We can divide the candy bars into six equal pieces. So the first candy bar is divided like below:

P - first part

A - second part

Y - third part

D - fourth part

A - fifth part

Y - sixth part

Now we can repeat the process for the other two candy bars. To keep things straight, I'll add a number to the pieces - 1, 2, 3 for the first, second, and third bar. Why 3? First, 18/6 simplifies to 3/1. That means there are three whole candy bars. Second, I chose a six letter candy bar because of the original number and 6 * 3 = 18. Our three candy bars (read it top down) look like the one above, and as such:

P1

A1

Y1

D1

A1

Y1


P2

A2

Y2

D2

A2

Y2


P3

A3

Y3

D3

A3

Y3

8 0
3 years ago
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