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Zinaida [17]
4 years ago
7

James has 6 stamps in his stamp collection. Roy has 12 stamps in his stamp collection. James adds 2 stamps to his stamp collecti

on. After James adds these stamps, what is the ratio of the number of stamps in James's collection to the number of stamps in Roy’s collection?
Mathematics
1 answer:
wolverine [178]4 years ago
5 0
8:12 will be the ratio 8 for james and roy has 12

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A cyclist rides in a circle with speed 5 m/s. What is his centripetal
Anna71 [15]

Option A

The centripetal acceleration is 1.32 ms^{-2}

<em><u>Solution:</u></em>

From given question,

A cyclist rides in a circle with speed 5 m/s

The circle has a radius of 19 m

To find: Centripetal acceleration

<em><u>The formula for Centripetal acceleration is given as:</u></em>

a_c = \frac{v^2}{r}

Where,

a_c = centripetal acceleration

r is the radius and v is the velocity

From given statement,

radius = r = 19 m

velocity = v = 5 m/s

<em><u>Substituting the values in above formula, we get</u></em>

a_c = \frac{5^2}{19}\\\\a_c = \frac{25}{19}\\\\a_c = 1.315 \approx 1.32

Thus centripetal acceleration is 1.32 ms^{-2}

6 0
3 years ago
Equations that are equivalent to the equation y-4=5(x+2)
Fudgin [204]
Y-4=5x+10 is the simplified version of this equation
5 0
4 years ago
radio signals travel at a rate of 3 x 10^8 meters per second. how many seconds will it take for a radio signal to travel from a
zvonat [6]

Answer:

time=1.2\times 10^{-1}\ second

Step-by-step explanation:

Given:

The speed of the radio is 3\times 10^{8} meters per second.

The distance of the satellite from the earth is 3.6\times 10^{7} meter

The formula of the speed is

speed = \frac{distance}{time}

For time the formula is.

time = \frac{distance}{speed}

put distance and speed value in above equation.

time = \frac{3.6\times 10^{7}}{3\times 10^{8}}

time = \frac{1.2 x 10^{7}}{10^{8}}

time=1.2\times 10^{7}\times 10^{-8}

time=1.2\times 10^{7-8}

time=1.2\times 10^{-1}\ second

Therefore, the radio will be take the time is 1.2\times 10^{-1}\ second or 0.12 seconds.

6 0
4 years ago
3x + 6y= 180<br>What is x and y​
Diano4ka-milaya [45]

Answer and explanation:

<h2>X</h2>

3x + 6y = 180  <em>Use the original expression to find x</em>

3x = 180 - 6y  <em>Subtract 6y by both sides</em>

\frac{3x}{3} = \frac{180}{3} - \frac{6y}{3}  <em>Divide by 3 to get x</em>

x = 60 - 3y

<h2>Y</h2>

x = 60 - 3y  <em>Use the new expression to find y</em>

x - 60 = - 3y  <em>Subtract 60 by both sides</em>

\frac{x - 60}{-3} = \frac{-3y}{-3}  <em>Divide by -3 to get y</em>

-\frac{x}{3} + 20 = y

3 0
3 years ago
When having 0 for x how do you find the function
romanna [79]
You know that for the rule, you are at least adding one to “x.”
8 0
3 years ago
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