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GaryK [48]
3 years ago
14

A circular garden has a circumference of 113 yards. Lars is digging a straight line along a diameter of the garden at a rate of

12 yards per hour. How many hours will it take him to dig across the garden? Use 3.14 for π and round the diameter to the nearest whole number, if necessary.
Mathematics
1 answer:
White raven [17]3 years ago
4 0

Answer:

3

Step-by-step explanation:

Circumference = 2\pi r = \pi d, where r is radius, and d is diameter

d=113/3.14=35.987, which is approximately 36

At 12 yards per hour, it will take 36/12=3 hours

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satela [25.4K]

Answer:

9+10=21

Step-by-step explanation:

3 0
2 years ago
How can i show 5/8 is greater than 3/8
Serjik [45]
The first answer, using a number line, is a good answer.

I have two other ways:

Way #1:

5 stones is more than 3 stones.
5 gallons is greater than 3 gallons.
5 pounds is greater than 3 pounds.
5 puppies is greater than 3 puppies.
5 hamburgers is greater than 2 hamburgers.
5 schoolbuses is greater than 3 schoolbuses.

We look around us, and we see that 5 of anything
is always greater than 3 of the same thing.

There's no reason that should change if the 'things' are eighths.


Way #2:

-- Get 2 friends to help you.

-- Take one good-size veggie pizza or coconut cream pie.

-- Carefully cut it up in eight (8) equal pieces.
   Now each piece is 1/8 of the pie or the pizza.

-- Give 5 pieces (5/8) to the first friend.
   Give 3 pieces (3/8) to the other friend.

-- Ask them to get together and agree on who has more.

3 0
3 years ago
Read 2 more answers
Evaluate<br> 11<br> % of <br> 953.23<br> m<br> Give your answer rounded to 2 DP.
Akimi4 [234]

\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{11\% of 953.23}}{\left( \cfrac{11}{100} \right)953.23}\implies 104.86

7 0
2 years ago
You want to find the height of a tower used to transmit cellular phone calls. You stand 100 feet away from the tower and mesure
nevsk [136]

Answer:

84 feet to the nearest foot.

Step-by-step explanation:

We have a right angled triangle with adjacent side (A) = 100 and you want to find the height of the tower, the opposite side (O).

A = 100 , O = ? so we need the tangent , (from SOH-CAH-TOA).

tan 40 = O/ 100

O = 100 tan 40

= 83.9 feet.

8 0
3 years ago
A cone has a base radius of length r, and an perpendicular height length h. If the height remains the same, and the radius is mu
sergij07 [2.7K]

The formula for the volume of a cone is:

V= (1/3) x \pi x r^{2} x height

Since this is a quadratic equation, if the radius is multiplied by 3, then the volume is multiplied by its square, which is 9.


Hope this helps!

7 0
3 years ago
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