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Montano1993 [528]
2 years ago
12

A cyclist rides his bike at a speed of 18 miles per hour. What is this speed in kilometers per hour? How many kilometers will th

e cyclist travel in 3 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers. Do not round your answer.
Mathematics
1 answer:
Sonja [21]2 years ago
4 0

Well, if 1 mile = 1.6 kilometers and he's traveling at 18mph, then do 18 x 1.6 which = 28.8.

So, this is his current speed in kph

3 x 28.8 = 86.4‬

They will have traveled 86.4‬ kilometers

(I haven't worked with this kind of math in a while so correct me if I'm wrong!)

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\text{Emily runs 11 feet per second.}
Stels [109]

Answer:

Not sure what the question is but if you're looking for who runs the most in a second I can give you that

Emily: 11 feet per second

Will: 9.66 feet per second

Stephanie: 13.27 feet per second

Liz: 8.98 feet per second

Based off this info, Stephanie runs the fastest per second

3 0
2 years ago
Given 4x+6/2=9 prove x=3
Montano1993 [528]

Steps:

Step 1: Simplify both sides of the equation.

4x+3=9

Step 2: Subtract 3 from both sides.

4x+3−3=9−3

4x=6

Step 3: Divide both sides by 4.

4x /4  =  6 /4

Answer: x= 3/2

Please mark brainliest

<em><u>Hope this helps.</u></em>

8 0
2 years ago
Read 2 more answers
Calculate the area of triangle ABC with altitude CD, given A(6,-2) B(1,3) C(5,5) D(2,2)
Vikki [24]
The area will be half the product of the lengths of AB and CD.

|AB| = √((6-1)² +(-2-3)²) = 5√2
|CD| = √((5-2)² +(5-2)²) = 3√2

Area = (1/2)*(5√2)*(3√2) = (1/2)*(15*2) = 15

The appropriate choice is ...
  D: 15 square units
6 0
3 years ago
How do i wright an equation for slope and intercept
Alex17521 [72]

Answer:

Step-by-step explanation:

the slope equation is (y2-y1)/(x2-x1)

3 0
3 years ago
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Here is a floor a plan house . Approximate length of the wall are given , what is the approximate area of the home, including th
attashe74 [19]

Answer:

5

Step-by-step explanation:

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