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adelina 88 [10]
3 years ago
7

HELP THIS IS DUE TOMORROW, ITS URGENT!!

Mathematics
1 answer:
Nezavi [6.7K]3 years ago
5 0
Each interior angle is 60° because all angles have to equal up to 180° so 180/3 = 60
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Help with number 22 plsssss
mario62 [17]

Answer:

192.972 mi/h

Step-by-step explanation:

To solve this, you have to add up all of the speeds and divide by how many values there are.

So if all of them are added together, it equals 771.888. Then, you divide this number by 4 to find the average. In this case, the average is 192.972mi/h.

3 0
3 years ago
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Find the slope of f(x) = -3x +7
Arisa [49]

Answer:

-3

Step-by-step explanation:

consider f(x)=y

y=-3x+7

compare with y=mx+c

slope m=-3

3 0
3 years ago
Help me pls only 10points
NeX [460]

y=-7x+8

y=-7x-8

-7x+8=-7x-8

8=-8

x∈∅

B. No solutions

3 0
3 years ago
If f(x)=3x-1 and g(x)= x+2 find (f-g)(x)
NemiM [27]

Answer:

\boxed{2x-3}

Step-by-step explanation:

f(x)=3x-1\\ g(x)= x+2

(f-g)(x)\\f(x)-g(x)

(3x-1)-(x+2)\\ 3x-1-x-2\\2x-3

6 0
3 years ago
PLEASE ANSWER QUICK!!!SHOW STEPS
Vedmedyk [2.9K]
5. Given the equation y = (1/4) cos[(2pi/3)*theta]:
5a. For the general equation y = a cos(bx), the period is given by 2pi/b. In this equation, b = 2pi/3, so this means that 2pi/b = 2pi/(2pi/3) = 3. Therefore, the period of this equation is 3, and the cosine wave repeats itself every 3 x-units.
5b. For the general equation y = a cos(bx), the amplitude is given by a. Therefore the amplitude is a = 1/4, and this means that the cosine wave's range is from -1/4 to 1/4 for all values of x.
5c. The equation of the midline is y = 0. This represents the average value over the wave. This is determined by adding the highest and lowest values of the range and taking the average, in this case, 1/4 + (-1/4) = 0, and 0 / 2 = 0. Another way to do this is using the general equation y = a cos(bx) + c, where the midline's equation is y = c. In this case, there is no value of c in the given, implying that c = 0, and the midline is y = 0.

6. Let the horizontal distance be x. Then tan42 = h/x, and h = x tan42. Then using the Pythagorean theorem: 3280^2 = h^2 + x^2
3280^2 = x^2 (tan42)^2 + x^2
3280^2 = x^2 [(tan42)^2 + 1]
x = 2437.52
Therefore, h = x tan42 = 2,194.75 ft.

5 0
3 years ago
Read 2 more answers
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