The wheel of a bike has a diameter of 26 inches. What is the circumference of the wheel?

Answers

Answer 1
Answer:

Answer:

the circumference of the wheel is 81.64 inches.

Step-by-step explanation:

Circumference of a circle is given by:

C = \pi d

where

C is the circumference of a circl

d is the diameter of a circle.

As per the given statement:

The wheel of a bike has a diameter of 26 inches

⇒d = 26 inches.

We have to find the circumference of the wheel.

\text{circumference of the wheel} = \pi \cdot 26 inches

Use value of \pi = 3.14

then;

\text{circumference of the wheel} = 3.14 \cdot 26 =81.64 inches.

Therefore, the circumference of the wheel is 81.64 inches.

Answer 2
Answer: c = d * \pi
so 26 * 3.14 = c
c = 81.64
circumference is 81.64 inches.

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Show your work x2 – 2x – 35 = 0

Answers

Answer:

x=7     x=-5

Step-by-step explanation:

x^2 – 2x – 35 = 0

Factor

What 2 numbers multiply to -35 and add to -2

-7*5 = -35

-7+5 = -2

(x-7) (x+5) =0

Using the zero product property

x-7 =0       x+5=0

x-7+7=0+7      x+5-5=0-5

x=7     x=-5

I’m confused can I get help

Answers

Answer:

$42

Step-by-step explanation:

To find the percent of a number, you first have to divide 100 by your percent(3%), since percent is out of 100.

100÷3=33 1/3

You can use this number to divide in your total price(1400) to get 3%

1400÷33 1/3=$42

Hence your answer

D. $42

The distance to the nearest gas station is 2 4/5 kilometers. What is this distance written as a decimal?

Answers

the answer written as a decimal is 2.8 kilometers
5/1=.20
.20*4=.80
.80+2 is 2.8

Evaluate 3x + 12 when x = 9

Answers

Answer:

The answer is 39.

Step-by-step explanation:

You have to substitute the value of x into the expression :

3x + 12

let \: x = 9

3(9) + 12 = 27 + 12 = 39

Answer:

39

Step-by-step explanation:

To solve your question we must replace x with the given number which is 9 so,

3 (9) +12 =

We can now solve it by multiplying 3 * 9 which will give us 27. Then we can add 27 to 12.

27 + 12 = 39

Hope this helps!!

Square root 1.96? is rational irrational

Answers

Answer:

Rational

Step-by-step explanation:

An irrational number is a number with forever continuing decimals. Plug it into the calc and you can see if there is a long decimal line that ends. You should get 1.4 in the calc, and since it does end, it is a rational number.

Two fractions have a common denominators of 8. What could the two fractions be?

Answers

4 and 8 would be the anwser because 4 x 2 = 8 and then 8x1=8
The denominator is the bottom number so the answer can be any of 1/8 3/8 5/8 7/8

I made the numerator an odd number because an even number would reduce.