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Leokris [45]
3 years ago
7

Which of the following are equivalent to the function y = 4cos x - 2? Check all that apply.

Mathematics
2 answers:
Amiraneli [1.4K]3 years ago
8 0
The answer is 
<span>D. y = 4cos(-x) - 2
proof
cosine is an even function, it means cos(-x) = cosx
so </span>y = 4cos(-x) - 2 = y = 4cos(x) - 2
valina [46]3 years ago
6 0

Answer:

According to Apex, the answer is B and D.

Step-by-step explanation:

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Find the minimum value of P=5x+6y subject to the following constraints.<br> Please help me!!
Rashid [163]

Answer:

The maximum value of P is 34 and the minimum value of P is 0

Step-by-step explanation:

we have the following constraints

x+y \leq 6 ----> constraint A

2x+3y \leq 16 ----> constraint B

x\geq 0 ----> constraint C

y\geq 0 ----> constraint D

Solve the feasible region by graphing

Using a graphing tool

The vertices of the feasible region are

(0,0),(0,5.33),(2,4),(6,0)

see the  attached figure

To find out the maximum and minimum value of the objective function P, substitute the value of x and the value of y for each of the vertices in the objective function P, and then compare the results

we have

P=5x+6y

For (0,0) ----> P=5(0)+6(0)=0

For (0,5.33) ----> P=5(0)+6(5.33)=31.98

For (2,4) ----> P=5(2)+6(4)=34

For (6,0) ----> P=5(6)+6(0)=30

therefore

The maximum value of P is 34 and the minimum value of P is 0

5 0
3 years ago
24 is 17% of what number
d1i1m1o1n [39]

Answer:

141.18

Step-by-step explanation:

7 0
3 years ago
What is the place value of 9 in 6545 . 965​
Lana71 [14]

Answer:

Tenths is the correct answer because the first digit after the decimal represents the tenths place. the next digit after the decimal represents the hundredths place the remaining digits continue to fill in the place values until there are no digits left.

4 0
3 years ago
Maddy has a bag of 36 marbles. The probability of picking green is 1 in 2, the probability of picking red is 1 in 3, and the pro
KonstantinChe [14]

Answer:  1 in 18

This is the same as writing the fraction 1/18

==============================================================

Explanation:

Since she has 36 marbles total, and the probability of picking green is 1 in 2, this means (1/2)*36 = 18 marbles are green.

Then she also has (1/3)*36 = 12 red marbles and (1/9)*36 = 4 blue marbles.

So far, that accounts for 18+12+4 = 34 marbles in all. That leaves 36-4 = 2 marbles left over that must be black, as it's the only color left.

From that, the probability of choosing a black marble is 2/36 = 1/18.

There's a 1 in 18 chance of Maddy picking a black marble.

1/18 = 0.0556 = 5.56% approximately

7 0
3 years ago
The diameter of a circle is 5 inches <br> find the length of its raidius
BARSIC [14]

Answer:

2.5 inches

Step-by-step explanation:

the radius is half diameter

6 0
3 years ago
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