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Naily [24]
3 years ago
14

Can someone help me with this

Mathematics
1 answer:
Alexandra [31]3 years ago
3 0

Answer:

Step-by-step explanation:

The formula for this, specific to our circle, is

∠RQP = \frac{1}{2}(arc SP - arc RP) and filling in:

∠RQP = \frac{1}{2}(170-86) and

∠RQP = \frac{1}{2}(84) so

∠RQP = 42°

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Setler [38]
You could use the shadow made by the tower. For this you would need the length of the shadow and the hypotenuse of the triangle created. As for a picture of it you can just make a line and label it as a tower, then a line underneath as the shadow length then just connect the two lines forming a triangle that will be the hypotenuse.
5 0
3 years ago
I need help with this​
jeka94

Answer:

Vertical angle congruence theorem

3 0
3 years ago
the school newspaper has a circulation of 500 and sells for $.035 a copy. the students decide to raise the price to increase the
Alik [6]

Let x be the number of times they raise the price on the newspaper. Then the new cost of the newspaper is

.35+.05x

Let y be the newspaper they sell, then the income will be

y(.35+.05x)

Now, we know that the circulation is of 500, assuming that they sold every newspaper at the original price now the number the will sell will be

y=500-20x

Plugging the value of y in the first expression we have that the income will be

\begin{gathered} f(x)=(500-20x)(.35+\text{0}.5x)=175+25x-7x-x^2 \\ =-x^2+18x+175 \end{gathered}

Then the income is given by the function

f(x)=-x^2+18x+175

To find the maximum value of this functions (thus the maximum income) we need to take the derivative of the function,

\begin{gathered} \frac{df}{dx}=\frac{d}{dx}(-x^2+18x+175) \\ =-2x+18 \end{gathered}

no we equate the derivative to zero and solve for x.

\begin{gathered} \frac{df}{dx}=0 \\ -2x+18=0 \\ -2x=-18 \\ x=\frac{-18}{-2} \\ x=9 \end{gathered}

This means that we have an extreme value of the function when x=9. Now we need to find out if this value is a maximum or a minimum. To do this we need to take the second derivative of the function, then

\begin{gathered} \frac{d^2f}{dx^2}=\frac{d}{dx}(\frac{df}{dx}) \\ =\frac{d}{dx}(-2x+18) \\ =-2 \end{gathered}

Since the second derivative is negative in the point x=9, we conclude that this value is a maximum of the function.

With this we conclude that the number of times that they should raise the price to maximize the income is 9. This means that they will raise the price of the newspaper (9)($0.05)=$0.45.

Therefore the price to maximize the income is $0.35+$0.45=$0.80.

4 0
1 year ago
What is 235 divided by 5?
Alex Ar [27]
The answer to this question is: 47
4 0
3 years ago
Read 2 more answers
Pls explain to me how to find the value of x.
sladkih [1.3K]

Here are the pictures of the steps I took when solving it as well as the answer to what X is

4 0
3 years ago
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