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sladkih [1.3K]
3 years ago
12

The diameter of the wheels of a car is 23 inches. Find the area.

Mathematics
1 answer:
kondaur [170]3 years ago
4 0

Answer:

415.27in^2

Step-by-step explanation:

area of a circle is

a= pi(r)^2

the radius is half of the diameter so you would do 23/2 = 11.5 for the radius

a= 3.14 (11.5)^2

= 3.14 x 132.25

= 415.27 inches^2

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Need help ASAP!!!!!!!
marin [14]

Answer:

1. 3   2. 16

Step-by-step explanation:

3x+2/y, x = 3 and y = 6

3(3)/6

Factor the number

3*3*2/3*2

Cancel the common factor (3)

3*2/2

Cancel the common factor (2)

3/1

Simplify

=3

(4a)^3/(b-2), a = 2, b = 4

(4(2)^3/(4-2)

Subtract the numbers:

2^3 * 4/2

Apply exponent rule (a^b*a^c=a^b+c)

= 2^3+1

Add the numbers:

2^4

Simplify:

=16

8 0
3 years ago
What are the solution(s) of y-4= 0?<br><br> X=-4 0r x= 4<br> X=-2 or x= 2<br> X=2<br> X=4
Alexxandr [17]

Answer: X=-2 or x= 2

7 0
3 years ago
Read 2 more answers
Please show your work
Natali [406]

Answer:

You would be able to go 165 miles in total

Step-by-step explanation:

You are going 60 miles per hour, so that instantly brings you up to 120 miles, because you are there for 2 hours and 45 minutes. Because you are going exactly 60 mph, and each hour is 60 minutes, you can compare that you go 1 mile per minute. If this statement is true, you'll go another 45 miles, bringing you to a grand total of 165 miles.

6 0
4 years ago
Help me answer as soon as possible, thank you!A and B only
MArishka [77]

Answer:

(a)4

(b)7

Explanation:

Given f(x) and g(x) defined below:

\begin{gathered} f(x)=\{(3,2),(5,1),(7,4),(9,3),(11,5)\} \\ g(x)=\{(1,3),(2,5),(3,7),(4,9),(5,11)\} \end{gathered}

(a) f(g(3))

\begin{gathered} g(3)=7 \\ f\lbrack g(3)\rbrack=f(7)=4 \\ \implies f\lbrack g(3)\rbrack=4 \end{gathered}

The value of f(g(3)) is 4.

(b) (g o f)(9)

\begin{gathered} (g\circ f)(9)=g\lbrack f(9)\rbrack \\ f(9)=3 \\ g\lbrack f(9)\rbrack=g(3)=7 \\ \implies(g\circ f)(9)=7 \end{gathered}

The value of (g o f)(9) is 7.

3 0
1 year ago
2+2=<br> help please idk what it is
Andreyy89

Answer: The answer is 4.

Step-by-step explanation:

2 + 2 = 4.

5 0
3 years ago
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