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Advocard [28]
2 years ago
12

Could someone please answer this before the end of the day? I'll give brainliest but explain your answer, or I won't give you th

e brainliest. Thanks!

Mathematics
1 answer:
Vikentia [17]2 years ago
5 0

Answer: Answer is C.

Step-by-step explanation:

Let 65% of 90 be x

65% of 90 =x

65% of 90=x

65/100 x 90 =x

65/100 = x/90

so, 65/100 = x/90

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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
Read 2 more answers
Which would be used to solve this equation? Check all that apply.
worty [1.4K]
B. Multiplying both sides of the equation by 3
3 0
3 years ago
Please help me with this.
ipn [44]

-5yards+-8yards=-13yards

8 0
3 years ago
Use two unit multipliers to convert 20 inches to miles
jarptica [38.1K]

Answer:

Step-by-step explanation:

I answered another one of your questions so I will not explain as much.  ther are 12 inches in a foot and then 5280 feet in a mile so that's 1 ft/ 12 in and 1 mi/ 5280 ft.  So  the math is 20 in * 1 ft/ 12 in * 1 mi/ 5280 ft = .000315 mi.  

In reference to the last one, do keep in mind "square" inches and whatnot mean you square things.  so 1 ft/ 12 in becomes 1 ft^2/ 144 in^2.  Just as a small heads up to what could be tricky.

6 0
3 years ago
If x=5, evaluate x^5 * x^-3
Artyom0805 [142]

Answer: 25

Step-by-step explanation:

Plug in x to the expression.

5^5 * 5^{-3}\\

When there is the same base of exponents is being multiplied the exponents add together and the base stays the same.

So this simplifies to, 5^2.

This then solves to 25.

3 0
3 years ago
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