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3241004551 [841]
3 years ago
13

A court reporter is transcribing an accident report from Germany. The report states that the driver was traveling 80 kilometers

per hour. How many miles per hour was the driver traveling?
Mathematics
2 answers:
marusya05 [52]3 years ago
8 0
Divide the speed value by 1.609,
1kilometer per hr=0.621mph
80kph=49.7097Mph
attashe74 [19]3 years ago
8 0

<u>Answer:</u>

49.6 miles per hour

<u>Step-by-step explanation:</u>

We know that the vehicle which met an accident in Germany was driven at 80 kilometers per hour by the driver.

To find out how many miles per hour was the driver traveling, we can use the ratio method.

1 kilometer = 0.62 mile

80 kilometers = x

Finding x:

x = 0.62 * 80

x = 49.6

So the driver was traveling at 49.6 miles per hour.

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a bag contains 57 coins which are only quarters and dimes the total value of coins is $9.45 how many dimes are in the bag​
Digiron [165]

Answer:

There are 32 dimes and 25 quarters.

Step-by-step explanation:

q + d = 57 or q = 57 - d  

25q + 10d = 945  

substitute first equation into second equation:  

25(57 - d) + 10d = 945  

1425 - 25d + 10d = 945  

-15d = -480  

d = -480/-15 = 32  

using first equation:  

q = 57 - 32 = 25  

check using second equation:  

25(25) + 10(32) = 945 checks

6 0
3 years ago
Choose the equation for the graph below
Alex Ar [27]
The answer to your question is “D”

Btw you can use DESMOS for future questions like this
8 0
3 years ago
Four ninths plus nine eighteenths :]
goldenfox [79]

Answer:  17/18

In words, this is seventeen eighteenths

==========================================

Work Shown:

4/9 + 9/18

8/18 + 9/18 ... see note below

(8+9)/18

17/18

----------------

note: To go from 4/9 to 8/18, we multiply top and bottom by 2. So that's why 4/9 = 8/18.

The diagram below shows a visual representation of why 4/9 = 8/18.

In the top row, I've drawn out 9 rectangles of the same size. Then I've shaded 4 of the 9 rectangles to represent the fraction 4/9. In the bottom row, I've cut each of those 9 rectangles into two smaller equal pieces, so we have 9*2 = 18 rectangles now. Note how the shaded regions are the same size, so this shows 4 green regions doubles to 2*4 = 8 yellow regions; therefore 4/9 is the same as 8/18.

8 0
3 years ago
Make a generalization for the set of polygons
podryga [215]
I honestly don't understand
3 0
3 years ago
Read 2 more answers
Find the coordinates of the midpoint of the segment whose endpoints are R(9, 3) and S(-1, -9).
amm1812

Answer:

(4, -3 )

General Formulas and Concepts:

<u>Pre-Algebra I</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Midpoint Formula: (\frac{x_1+x_2}{2}, \frac{y_1+y_2}{2} )

Step-by-step explanation:

<u>Step 1: Define</u>

R (9, 3)

S (-1, -9)

<u>Step 2: Find midpoint</u>

  1. Substitute:                    (\frac{9-1}{2}, \frac{3-9}{2} )
  2. Subtract:                       (\frac{8}{2}, \frac{-6}{2} )
  3. Divide:                          (4, -3 )
4 0
3 years ago
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