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lyudmila [28]
3 years ago
5

-S(17 - 12) What is the value of ? -28-(-2)) 1 -2 O 2 O 4

Mathematics
1 answer:
Vinvika [58]3 years ago
4 0

Answer:

eszxfd

Step-by-step explanation:

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Three red rods are 2cm longer than two blue rods. Three blue rods are 2cm longer than four red rods. How long is each rod?
nydimaria [60]

Answer:

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

Step-by-step explanation:

Let

x ----> the length of each red rod in centimeters

y ----> the length of each blue rod in centimeters

we know that

3x=2y+2 ----> equation A

3y=4x+2 ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The solution is the point (10,14)

see the attached figure

therefore

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

4 0
3 years ago
It will take Mr. warner 15 1/2 hours to install a fence. Each day he works 1 1/3 hours on the fence. After he finished working o
zmey [24]
15.5-3.5=12. this is how many hours he has worked already.

12/1⅓=9. this is because how many hours he has worked per how many hours he worked per day to show how many days he worked

the answer is 9 days.

12hours * 1day/1⅓ hours
^^ignore that if it doesn't make sense, but basically the hours will cancel and you'd be left with days as your only unit to show why you would divide 12 by 1⅓


hope this helped!
8 0
3 years ago
Answer pls. question in photo
Artist 52 [7]
Here is the step by step answer.

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18.386 meters rounded to the nearest hundredth
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18.386 rounded to the nearest hundredth would be 18.39
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Which of the following best describes the graphs below?​
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I think the answer is either b or c i am not sure

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