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topjm [15]
3 years ago
11

A cyclist rides her bike at a rate of 8 meters per second. What is this rate in kilometers per hour? How many kilometers will th

e cyclist travel in 2 hours?
Mathematics
1 answer:
Drupady [299]3 years ago
3 0

You multiply 8 by 120 and you get 960 miles per 2hrs

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PLS HELP I NEED TO FIND X!!!
Mashutka [201]

Answer:

x =7.62

Step-by-step explanation:

Using Pythagoras Theorem:

      a² + b² = c²

      7² + 3² = x²

      x² = 49 + 9

       x = √58 .......in radical form

       x =7.62 .....in 2 decimal form

      x = 7.6 ......in nearest tenth place

5 0
2 years ago
In the xy-plane, the equations x + 2y = 10 and
konstantin123 [22]

By solving given equations, the value of c is 30.

Given two equations

x + 2y = 10 and

3x + 6y = c

These lines represents the same line for some constant c.

Value of c:

x + 2y = 10-------------(1)

3x + 6y = c-------------(2)

Dividing equation (2) by 3

\frac{3x}{3}+ \frac{6y}{3} =\frac{c}{3}

After solving the above equation, we get

x + 2y = c/3-----------(3)

Remember that a line is written as ax + by = c, in our case, both lines have a =1 and b = 2. Therefore, in orther that the two lines are equal, we need that, 10 = c/3

c = 10 × 3 = 30

c = 30

Therefore,

The value of c is 30.

Find out more information about equations here

brainly.com/question/21952977

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7 0
1 year ago
What is the radical form of each of the given expressions? Drag the answer into the box to match each expression.
postnew [5]

4 ^ (1/7 ) is the 7th root of 4 or the 3rd box

4 ^ (7/2) is 4 to the 7th power then the square root  or the 2nd box

7 ^ (1/4) is the 4th root of 7 or the 4th box

7 ^ (1/2) is the square root of 7 or the  6th box

4 0
2 years ago
Read 2 more answers
Find the distance between (2,7) and (-6,-2)
stepladder [879]

Answer: \sqrt{145}

Step-by-step explanation:

1. use the distance formula!

distance = \sqrt{(x_{2} - x_{1})^{2}  +{(y_{2} - y_{1})}^2

2. then using the distance formula with (2, 7) and (-6, -2) you get...

distance= \sqrt{2 -(-6)^2 +(7 - (-2)^2}

distance= \sqrt{8^2 +9^2}

distance=  \sqrt{64 +81}

distance= \sqrt{145}

\sqrt{145} is the simplest radical form

:D

6 0
3 years ago
I need help with this equation<br> -17 = -7c + 4
dimulka [17.4K]

Answer:

C = 3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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