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castortr0y [4]
1 year ago
8

Need help please its a missing assignment and i need to turn it in at midnight

Mathematics
1 answer:
dimaraw [331]1 year ago
8 0

C=pi*d

Where pi is 3.14 and d is the diameter, in this case is 14ft. Find the circumference

\begin{gathered} C=\pi\cdot d \\ C=3.14\cdot14ft \\ C=43.96ft \end{gathered}

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Model subtraction of fraction:
cricket20 [7]
The entire race is 1 full race.
One full race is 1.
He ran 3/8 of 1, so he ran 3/8.
He needs to run the rest of the race.
The rest is unknown, so we call it x.
When you add 3/8 to the unknown, you get the full race.
The equation is

x + 3/8 = 1

Change 1 to a denominator of 8.

x + 3/8 = 8/8

Subtract 3/8 from both sides.

x = 5/8

Answer: He still needs to run 5/8 of the race.
5 0
3 years ago
Can someone solve 5 + 2x = + 6<br><br> and n - 3n = 14 - 4n<br><br> and 7 ( 5a - 4 ) - 1 = 14 - 8a
professor190 [17]

Answer:

5 + 2x = 6

2x = 6-5

2x = 1

x = 0.5

n -3n = 14 -4n

-2n = 14-4n (since 4n is negative, change the sign to make it positive and then add 4n to both sides of the equation)

2n = 14

n = 7

7 (5a - 4) - 1 = 14 - 8a

35a - 28 - 1 = 14 -8a

35a -29 = 14 - 8a

43a = 43

a = 1

6 0
2 years ago
Read 2 more answers
Maria ran at a rate of 3.4 miles per hour for 6.8 hours. How many miles did she run in total?
Akimi4 [234]

Answer:

6.8+3.4=10.2

Step-by-step explanation:

8 0
3 years ago
A training field is formed by joining a rectangle and two semicircles, as shown below. The rectangle is 86m long and 62m wide.
-Dominant- [34]
The area of the rectangle is 5,332.
6 0
3 years ago
Carl is going to make a frame for a picture. The dimensions of the frame need to be 2 feet by 18 inches. How long must the board
MArishka [77]
The perimeter of an object is found by adding all of the sides.  The sides of his frame would be 2 ft, 2 ft, 1.5 ft (18 inches / 12 inches per foot = 1.5 feet), 1.5 feet.  Adding these together we get a total length of 7 feet.  However, he may want to use a slightly longer board to account for any errors!
4 0
3 years ago
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