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KIM [24]
3 years ago
6

Which expression has a value that is equivalent to 5n + 13 when n=−5 ?

Mathematics
1 answer:
Paladinen [302]3 years ago
6 0
The answer is the second one! n^2 +13
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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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Is 0.35217534 a terminating decimal
olga_2 [115]
No, because since this decimal doesn't stop, it doesn't count as terminating
3 0
3 years ago
Simplify the expression. (3.5x - 5) + (7.2x + 10)
Andru [333]

Answer: 10.7x + 5

Step-by-step explanation:

(3.5 + 7.2)x + (-5 + 10) = 10.7x + 5

8 0
3 years ago
What is the value in cents 2 quarters, 3 dimes, and 4 nickels
Gemiola [76]
112 Cents is the value
7 0
3 years ago
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For every 13 birds born at the zoo there are two animals born. There were 44 if you were animals born last month then birds so h
Daniel [21]
The ratio birds : animals = 13 : 2
so for every 1 animal, 6.5 birds were born

last month: animals = birds - 44
birds - animals = 44
use trial and improvement to find:
if there were 52 birds, there must be 8 animals
CHECK: 52 - 8 = 44
4 0
3 years ago
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