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2 years ago

13

Jenny makes food for her hummingbird feeders. The food is made up of 1 part sugar and 4 parts water. She uses 3434 cup of sugar

to make the hummingbird food. How much water should Jenny use?

1 answer:

kati45 [8]2 years ago

6 0

13736 cups. I may be wrong.

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Evaluate the follow expression

STatiana [176]

I see the answers,but where is the problem (equation that needs to be solved)

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2 years ago

Find a normal subgroup of v which is not normal in a4.

Tpy6a [65]

he elements of the Klein <span>44</span>-group sitting inside <span><span>A4</span><span>A4</span></span> are precisely the identity, and all elements of <span><span>A4</span><span>A4</span></span>of the form <span><span>(ij)(kℓ)</span><span>(ij)(kℓ)</span></span> (the product of two disjoint transpositions).

Since conjugation in <span><span>Sn</span><span>Sn</span></span> (and therefore in <span><span>An</span><span>An</span></span>) does not change the cycle structure, it follows that this subgroup is a union of conjugacy classes, and therefore is normal.

6 0

3 years ago

Question 15 of 15Taniah is trying to find the area of the following square whereWY=10. What is the area?

joja [24]

The area of a square given its diagonal (d) is computed as follows:

$A=\frac{1}{2}d^2$

In this case, the diagonal is 10 units long, then the area is:

$\begin{gathered} A=\frac{1}{2}\cdot10^2 \\ A=\frac{1}{2}\cdot100 \\ A=50\text{ square units} \end{gathered}$

8 0

1 year ago

Suppose the scores on an exam are normally distributed with a mean μ = 75 points, and standard deviation σ = 8 points. Suppose t

alexandr402 [8]

Answer:

89.008

Step-by-step explanation:

z = (x– mean)/ standard deviation

x = z * standard deviation + mean

Now, z value for the top 4% of the exams (which is the same as getting a score below the 96%) has to be found using a z table.

In this case z = 1.751

x = 1.751 * 8 + 75

x = 89.008

6 0

3 years ago

How do I move one side to the other:<br><br> <img src="https://tex.z-dn.net/?f=sin%5E2%5Calpha%20-%20cos%5E2%5Calpha%20%3D%202si

Vera_Pavlovna [14]

9514 1404 393

Explanation:

You can use the addition property of equality to "move" a term from one side of the equation to the other. For example, if you want to move the cos²α term, you can add cos²α to both sides of the equation:

sin²α -cos²α +cos²α = 2sin²α -1 +cos²α

When this is simplified, it becomes ...

sin²α = 2sin²α +cos²α -1 . . . . . . the cos²α term is gone from the left

__

The equation you have is an identity. The left and right sides are equal for any value of α. When you have such an equation as a trig problem, you are often being asked to prove it is true. The way you do that is to make use of other trig identities to transform one side so that it matches the other side.

Here, you can use the trig identity ...

sin²α +cos²α = 1

If you use this to substitute for 1 on the right, you have ...

sin²α - cos²α = 2sin²α - (sin²α +cos²α)

Now, when you collect terms, you get ...

sin²α - cos²α = 2sin²α - sin²α -cos²α . . . eliminate parentheses

sin²α - cos²α = sin²α - cos²α . . . . . proof of your identity

7 0

3 years ago