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3 years ago

I DONT KNOW! Please help to save my brain

Mathematics

2 answers:

Westkost [7]3 years ago

8 0

Answer:

i think it is c

Step-by-step explanation:

soldier1979 [14.2K]3 years ago

8 0

Answer: M = F/a

Step-by-step explanation: You Would Have To Divide A On Both Sides To Get M So The Answer is M = F/a

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A satellite in a circular orbit 1250 kilometers above Earth makes one complete revolution every 110 minutes. What is its linear

Ivenika [448]

Answer:

$\large \boxed{\text{approximately 435.7 km/min}}$

Step-by-step explanation:

1. Angular speed

The angular speed ω is the angle θ swept out by the satellite in a given time t.

$\omega = \dfrac{\theta}{t} = \dfrac{2\pi}{\text{110 min}}$

2. Linear speed

The formula for the linear speed v is

v = rω, where

r = the distance from the centre of the Earth = 6378 km + 1250 km = 7628 km

$\begin{array}{rcl}v & = & r\omega\\& = & \text{7268 km} \times \dfrac{2\pi}{\text{110 min}}\\\\& \approx & \textbf{435.7 km/min}\\\end{array}\\\text{The linear speed of the satellite is $\large \boxed{\textbf{approximately 435.7 km/min}}$}$

7 0

3 years ago

Show the number 154 in two other ways

rewona [7]

Answer:

Step-by-step explanation:

one hundred fifty-four

2 * 7 * 11

2 * 77

7 * 22

11 * 14

$\sqrt{23,716}$

$\frac{308}{2}$

Not 100% sure what you're asking for, but all these will equal 154.

7 0

3 years ago

Holli's house is located at (−1, 4). She can walk in a straight line to get to Jedd's house. A fast food restaurant is located a

GrogVix [38]

Answer:

The coordinates of Jedd's house is (-5, 0)

Step-by-step explanation:

Given;

Location of Holli's House = (−1, 4)

Location of fast food restaurant = (−3, 2)

To Find:

The coordinate of Jedd's house.

Solution:

If the distance between the two points $(x_{1},y_{1})$ and $(x_{2},y_{2})$ is divided by the point (x,y) in the ratio of m : n then

$x=\frac{x_{1}n+x_{2}m}{m + n}$

$y=\frac{y_{1}n+y_{2}m}{m + n}$

Hollis house is located at (-1 , 4)

So, $(x_{1},y_{1}) = (-1 , 4)$

She walks in a straight line to get to Jedds house

The restaurant is located at (-3 , 2) and partitions the way from

(x , y) = (-3 , 2)

The ratio of Hollis house to Jedds house is 1 : 1

(m : n) = 1 : 2

Lets consider that Jedds house is located at $(x_{2},y_{2})$

Then $x_2$ will be

$-3=\frac{-1(1)+x_{2}(1)}{1+1}$

$-3=\frac{-1 +x_{2}}{2}$

$-3 \times 2=-1 +x_{2}$

$-6 = -1 +x_{2}$

$-5 = x_{2}$

Now $y_{2}$ will be

$2=\frac{4(1)+y_{2}(1)}{1+1}$

$2=\frac{4+y_{2}}{2}$

$2 \times 2=4+y_{2}$

$4 = 4+y_{2}$

$4 - 4 = y_{2}$

$y_{2} = 0$

∴ The coordinates of Jedd's house is (-5, 0)

5 0

3 years ago

Suppose ΔΔCED ≅≅ ΔΔDBC. If m∠∠EDC = 630 and m∠∠DBC = 820, what is m∠∠DCE

valina [46]

63+82+m∠DCE=180
145+m∠DCE=180
m∠DCE=35

7 0

3 years ago

a rectangle skate park is 60 yards long and 50 yards wide. plans call for increasing both the length and width of the park by x

lora16 [44]

Don't know what the question is asking but the are for the skate park would be 3000

6 0

3 years ago