3 years ago

I. THE SET OF POINTS ON A PLANE THAT ARE THE SAME DISTANCE FROM A CENTER POINT.

Mathematics

1 answer:

alina1380 [7]3 years ago

7 0

It’s A hope this helpsssssss

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2×-20/3 =2x help me please

Llana [10]

Answer:

x = - 5

Step-by-step explanation:

Given

$\frac{2x-20}{3}$ = 2x ( multiply both sides by 3 to clear the fraction )

2x - 20 = 6x ( subtract 2x from both sides )

- 20 = 4x ( divide both sides by 4 )

- 5 = x , that is x = - 5

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3 years ago

A bage contains 5 blue marbles, 3 red marbles, and 2 yellow marbles. You select a marble at radom. What is p(yellow)

vodomira [7]

Total marbles = 5 + 3 + 2 = 10
Total yellow marbles = 2
P(yellow) = 2/10 = 1/5

Answer: 1/5

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3 years ago

Find the area of the shaded region. Round to the nearest tenth.

drek231 [11]

pi·18.6^2·123°/360° - 1/2·18.6^2·SIN(123°) = 226.3

8 0

2 years ago

Why does (x-2)^2+9=0 have no real solutions?

alex41 [277]

Answer:

see explanation

Step-by-step explanation:

Given

(x - 2)² + 9 = 0 ( subtract 9 from both sides )

(x - 2)² = - 9 ( take the square root of both sides )

x - 2 = ± $\sqrt{-9}$

$\sqrt{-9}$ yields no real solutions

There is no real number when multiplied by itself gives - 9

In fact the solutions to $\sqrt{-9}$ are said to be imaginary, that is ± 3i

where i = $\sqrt{-1}$

If interested investigate further.

7 0

3 years ago

A flight averages 460 mph. The return flight averages 500 mph due to tailwind. The total flying time is 4.8 hours how long is ea

Nesterboy [21]

We know that time is distance over velocity, that is:

time = distance / velocity

t = d / v

Now from the given:

d / 460 + d / 500 = 4.8

Now we can find for d:

d = 4.8 / [1/460 + 1/500]

d = 1150 miles

So the time of each flight is:

flight = 1150 / 460 = 2.5 hours

<span>return flight = 1150 / 500 = 2.3 hours</span>

8 0

3 years ago

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