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77julia77 [94]
3 years ago
12

HELP! I’ll MARK BRAINLIEST

Mathematics
1 answer:
Grace [21]3 years ago
6 0

Answer:

they ran 5 and 2 and half hour

Step-by-step explanation:

they ran 5 and 2 and half hour

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Help down below, these are my last questions I need help on and I need it done urgently.
love history [14]

Answer:

6) 2/3

7) 1/2

8) 5/8

9) 3/4

10) 1

11) 1

12) 7/12

Hope this helps :^)

Step-by-step explanation:

6 0
3 years ago
If it takes 12 people 3 days to build 72 meters of fence, how many meters of fence can 15 people build in one day?
scoundrel [369]

72/3=24

24/12=2(2 meters a person a day)

2*15=30

15 people can build about 30 meters of fence a day.

6 0
3 years ago
What is the solution of y= -5x + 1 and y= 3x - 2
Nezavi [6.7K]

Answer:

x=3/8, y=-7/8. (3/8, -7/8).

Step-by-step explanation:

y=-5x+1

y=3x-2

----------

-5x+1=3x-2

-5x-3x+1=-2

-8x+1=-2

-8x=-2-1

-8x=-3

8x=3

x=3/8

y=3(3/8)-2=9/8-2=9/8-16/8=-7/8

8 0
3 years ago
PLS HELP!! THIS IS A VERY HARD QUESTION!! I NEED IT TO BE DONE!!!! ILL GIVE BRAINLIEST!!!! PLEASE!!!!
krek1111 [17]

Answer:

990.36$

Step-by-step explanation:

You times 18 by 42 then you get 756 then you times that by 1.31$

7 0
3 years ago
Read 2 more answers
Find the area of the shaded region.
Citrus2011 [14]

Answer:

pi × 18cm^2

Or approximately,

56.52cm^2 (using 3.14 for pi)

or

56.5487cm^2 (using pi button on calculator)

Step-by-step explanation:

Area of a circle is pi times [radius squared].

All circles are 360°.

Problem can be solved by finding area of whole circle, and then using ratios.

Whole Circle: area = pi × (9cm)^2 = pi × 81cm^2

80° / 360° = Area[shaded] / (pi × 81cm^2)

pi × 18cm^2 = Area[shaded]

((If you read my answer before the edit, I am sorry. I made a calculator error.))

3 0
3 years ago
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