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natali 33 [55]
3 years ago
8

Hi. I also need help with this question as well.

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
4 0

Answer:

B

Step-by-step explanation:

The diagram shows four points through which the line of proportional relationship should pass. One of these points has coordinates (8,28).

The line representing proportional relationship is always straight line passing through the origin and has the equation

y=kx,

where k is the coefficient of proportionality.

Substitute coordinates of known point into the equation:

28=k\cdot 8\\ \\k=\dfrac{28}{8}=\dfrac{7}{2}=3.5,

so the coefficient of proportionality is equal to 3.5.

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3 years ago
Elmer sees a flying saucer. The radius of the flying saucer is 17 feet. What is the area of the flying saucer (use 3.14 for pi a
sergiy2304 [10]

Answer:

Area of the flying saucer = 907.46 ft^2

Step-by-step explanation:

The Flying saucer is in the shape of a circle.

Radius= 17 feet

Area of the circular flying saucer= \pi *r*r

                                                                         :\pi =\frac{22}{7} =3.14

                                  Area= 3.14*17*17

                                     

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So, the area of the flying saucer is 907.46 ft^2

8 0
4 years ago
1. Evaluate
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<span>1. Evaluate (2-2^3)^3-4x(-4)
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Svetach [21]
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Y=10 when x=4, find x when y=80
Mrac [35]
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