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Anit [1.1K]
3 years ago
8

Problem #2: The radar beam sent out by an airplane reaches a distance of 120 kilometers and covers an angle of 150°. Calculate t

he area covered by the beam. 120 km 150​
Mathematics
1 answer:
Paraphin [41]3 years ago
7 0
By the number 987 add 4 then times 7 up the cow
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This is just straight confusing to me
Zepler [3.9K]

1.introduce a constant k hence

y=kx then find the value of the constant first -4=k2 hence k =-2

y=-2×-6

y=12

Step-by-step explanation:

follow the same procedure for the others and remember if it is inversely proportional then it becomes y=k/x

8 0
4 years ago
The table represents a linear function.
Pavlova-9 [17]
Using two points to find the slope use
y2-y1/x2-x1
i chose points (0,4) and (2,14)
14-4/2-0
10/2
5
The slope is 5
8 0
3 years ago
1. If a bicycle wheel has a diameter of 15 in. How far will the wheel rotate in 10 rotations?​
WARRIOR [948]

Answer:

150 pi inches or 471.239 inches traveled

Step-by-step explanation:

First, close your eyes, and think about the distance a bike travels after one rotation of the wheel.

You will come to the realization that a full rotation of the wheel makes you travel the circumference of the wheel

The formula for circumference is 2(pi)(r) or (pi)(diameter)

We are given diameter, so let's find distance traveled for one rotation

pi(15 inches) = 15pi inches per rotation.

There are 10 rotations, so:

(15pi inches/rotation)(10 rotations) = 150pi inches travelled

150 x pi = 471.239 inches traveled

4 0
4 years ago
Which statement best describes the graph of this polynomial function f(x)=x^4+x^3-2x^2
jenyasd209 [6]

Answer:

See below description.

Step-by-step explanation:

The function f(x) = x^4+x^3-2x^2 has the following characteristics:

  • Factors: x^2(x+2)(x-1)
  • Zeros/roots: x=0, x=-2, amd x=1
  • Positive leading coefficient
  • Graph starts up, curves down through -2 on the x-axis and back up to 0 where it touches and curves down and back up again again. It comes down back through 1 and crosses.
  • Its graph s the shape of a W.
  • It has minimum values at -2.83 and -0.397
3 0
3 years ago
A flea treatment last 4 weeks. Jim's dog had to be treated every 3 weeks. How many weeks of flea treatment would Jim's dog get i
Reptile [31]

Answer:

Number of weeks in a year = 52 weeks

If in a normal year when each package of flea treatment lasts for 4 weeks, then in a year there Jim's dog will have to be treated for

Where as, when the fleas are bad in a year, the treatment lasts for only 3 weeks.

Then in a year Jim's dog would get

So Jim's dog will get 17- 13 =4 treatments more.

4 treatments that are made in 3 weeks each will be 4×3 =12 weeks more treatment

6 0
3 years ago
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