3 years ago

PLEASE ANSWER, 100 POINTS!

Mathematics

1 answer:

Alex17521 [72]3 years ago

7 0

Answer:

−

0.3559322

Step-by-step explanation:

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ale4655 [162]

Answer:

Yes

Step-by-step explanation:

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3 years ago

How do you determine the net force of an object?

Dvinal [7]

Answer:

you determine net force of an object by using this formula:

F=M×A or force=mass×acceleration

really hope this helps:)

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3 years ago

20 red marbles to 40 blue marbles (ratio as a fraction)

Tanya [424]

Answer:

20/40 = 10/20 = 1/2, 1:2

Step-by-step explanation:

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3 years ago

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What is the area of the sector with a central angle of 49° and a radius of 11 cm? Use 3.14 for pi and round your final answer to

olga_2 [115]

Answer:

$\boxed{\text{51.71 cm}^{2}}$

Step-by-step explanation:

If the angle θ is in radians, the formula for the area (A) of a sector of a circle is

A = ½r²θ

If θ is in degrees

$A = \dfrac{1}{2}r^{2}\theta \times \dfrac{\pi \text{ rad}}{180^{\circ}}= \pi r^{2}\times\dfrac{\theta }{360}$

Data:

θ = 49°

r = 11 cm

Calculation:

$\begin{array}{rcl}A& = &3.14\times 11^{2}\times\dfrac{49}{360}\\\\ & = &3.14 \times 121 \times 0.1361\\ & = & \mathbf{51.71}\\\end{array}\\\text{The area of the sector is }\boxed{\textbf{51.71 cm}^{2}}$

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3 years ago

How do i graph a fraction on a number line?

Marina CMI [18]

Dear If u wanna graph on number line

for example ..

if the fraction are given .

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3 years ago

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