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Rina8888 [55]
2 years ago
8

Find the cosine of ∠J.

Mathematics
1 answer:
brilliants [131]2 years ago
3 0

Answer:

√94

Step-by-step explanation:

i think that is the answer

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Ve, Carpet sells for $36 per square yard. How much will 8 square yards cost?​
grandymaker [24]

Answer:

$288

Step-by-step explanation:

If each square yard of carpet is $36, you just have to multiply 8 by that to get the total.

4 0
2 years ago
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Find y for x=0,1,2, and 3.<br><br> y=4-x
LenKa [72]
4 - (0) = y
4 - 0 = 4      y = 4

4 - (1) = y
4 - 1 = 3     y = 3

4 - (2) = y
4 - 2 = 2     y = 2

4 - (3) = y
4 - 3 = 1     y = 1
7 0
3 years ago
A rectangular area is to be fenced in with 300 feet of chicken wire. find the maximum area that can be enclosed.
GarryVolchara [31]
Let the lengths of the sides of the rectangle be x and y. Then A(Area) = xy and 2(x+y)=300. You can use substitution to make one equation that gives A in terms of either x or y instead of both.

2(x+y) = 300
x+y = 150
y = 150-x

A=x(150-x) <--(substitution)

The resulting equation is a quadratic equation that is concave down, so it has an absolute maximum. The x value of this maximum is going to be halfway between the zeroes of the function. The zeroes of the function can be found by setting A equal to 0:
0=x(150-x)
x=0, 150

So halfway between the zeroes is 75. Plug this into the quadratic equation to find the maximum area.

A=75(150-75)
A=75*75
A=5625

So the maximum area that can be enclosed is 5625 square feet.
6 0
3 years ago
A stockbroker earns a commission by a flat fee for each transaction as well as a fee per share. On a particular transaction, the
loris [4]
Clearly, alternative B

y = 0.01x + 7.5
y = (0.01)*5000 + 7,5
y = 50 + 7.5
y = 57.50
8 0
2 years ago
Read 2 more answers
5x - 4y = -8<br> x + 4y = -16
kati45 [8]

Answer:

(-4 , -3)

Step-by-step explanation:

7 0
2 years ago
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