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UkoKoshka [18]
3 years ago
9

Calculate sin B in reduced fraction form. Use a slash to separate numerator from denominator, such as 2/3 for "two-thirds."

Mathematics
1 answer:
Deffense [45]3 years ago
4 0
\sin B=\dfrac{24}{25}
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Can you guys help please im so confused
marissa [1.9K]

Answer:

a) see below

b) 40x20 meters

Step-by-step explanation:

Write down what you know:

- The area of the enclosure is length*width, so

A = x \cdot y

- The length of the fencing is 80 meters, so

2y + x = 80

Now we have to combine these two equations above, and get rid of y in the process.

First rewrite the second as:

y = 40 - \frac12 x

Then substitute for y in the first:

A = x (40 - \frac12 x) = 40x - \frac12x^2

b) To maximize A, find the zero of the first derivative:

A'(x) = 40 - x = 0 \implies x=40

So y = (80-40)/2 = 20 meters.

8 0
2 years ago
What is 1/4 times 268?
tia_tia [17]
1/4 is equal to 0.25. so you can multiply 0.25 and 268 to get your answer of 67
8 0
3 years ago
The coordinates of the vertices of the triangle shown below are a(2,13), b(10,5) c(12,14).
Luden [163]
(2,13)is the right answer
5 0
3 years ago
Read 2 more answers
Which of the following expressions have a quotient of –2? Check all that apply. –12 ÷ –6 –12 ÷ 6 –6 ÷ –3 6 ÷ –3 –6 ÷ 3
Olegator [25]

Answer:

12 ÷ –6, –12 ÷ 6, 6 ÷ –3, –6 ÷ 3

Step-by-step explanation:

Ignore the negative signs. If their quotient is 2 and only 1 of the 2 numbers have a negative sign, they make -2.

5 0
3 years ago
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A rectangle has an square meters. The width is 1\5 meter. What is the length of the rectangle?
Alecsey [184]

Answer:

The length would be 5 meters

Step-by-step explanation:

To get this value, start with the area formula.

A = LW

Next input the known values for area and width

1 = L1/5

Now multiply each side by 5

5 = L

6 0
3 years ago
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