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Gwar [14]
3 years ago
11

What is negative nine plus five

Mathematics
1 answer:
melisa1 [442]3 years ago
8 0

negative nine plus five equals negative four

-9 + 5 = - 4

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A bicycle wheel makes five rotations. the bicycle travels 44.48 ft. Find the diameter of the wheel in inches.
Tema [17]

Answer:

2.42 feet

Step-by-step explanation:

the bicycle wheel rotates 5 times and travels 37.94 feet, then we know that the circumference of the wheel (the outside of the wheel as it touches the ground 5 times around) is 37.94/5 = 7.588

 

Then we use the formula for the circumference of a circle: 2(pi)(radius) = circumference

 

We plug in what we know 2(3.14)(radius) = 7.588 and then solve for the radius

 

We divide 2 from both sides of the equation (3.14)(radius) = 3.794

 

We divide pi from both sides (radius) = 1.208

 

Then the last step, we multiply the radius by 2, because we need the diameter, which is double the radius

 

1.208 * 2 = 2.416 or 2.42 rounded up

 

Final answer = 2.42 feet

7 0
3 years ago
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Romashka [77]

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3 0
3 years ago
If the ratio of dogs to cats at an animal shelter is 2:5, then the number of cats is _____ times the number of dogs.
klio [65]
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joja [24]

Answer:

b = 2

Step-by-step explanation:

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