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Helen [10]
3 years ago
13

Elizabeth drove 192 miles in 4.5 hours. how many miles could she drive at this rate in 3 hours

Mathematics
1 answer:
Alex73 [517]3 years ago
3 0

Answer:

128

Step-by-step explanation:

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An individual head of a sprinkler system covers a circular area of grass with a radius of 25 feet. the yard has 3 sprinkler head
frutty [35]

Answer:

Option D. 5890.5 feet²

Step-by-step explanation:

An individual head of a sprinkler system covers a circular are of grass with a radius of 25 feet.

Yard has three sprinkler heads that each cover circular area with no overlap.

We have to calculate the approximate area watered by these 3 sprinkler heads.

Area covered by one sprinkler = π×r² = π×(25)² = 625π feet²

Therefore area covered by three sprinkler heads = 3 × 625π = 5892.85 feet²

which matches the approximate value of Option D. 5890.5 feet²

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3 years ago
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What are the areas of the following shapes?
mars1129 [50]
The triangle is 28 cm. You multiple 7 x 8x 1/2.

the parallelogram is 50. the formula is A=bh ( area = base x height)
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3 years ago
What is 0.00758 written in scientific notation ?
Goshia [24]
7.58 x 10^-3  is the scientific notation
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3 years ago
The vertices of shape K are at (4,7), (7, 7), (7,4) and (5, 5).
son4ous [18]

Answer:

To find the scale factor of the enlargement, compare the distance between a pair of corresponding points from both shapes.

<u>Shape K</u>

A = (4, 7)

B = (7, 7)

C = (7, 4)

D = (5, 5)

Horizontal distance between A (4, 7) and B (7, 7) = 3 units

<u>Shape L</u>

A' = (0, 11)

B' = (9, 11)

C' = (9, 2)

D' = (3, 5)

Horizontal distance between A' (0, 11) and B' (9, 11) = 9 units

9 ÷ 3 = 3

Therefore, Shape L is an enlargement of Shape K by scale factor 3.

To find the center of dilation (enlargement), draw two lines through 2 corresponding points (e.g. A and A',  B and B') - the point of intersection of these lines is the center of dilation.

Therefore, the center of enlargement is (6, 5)  (refer to the second attached image).

6 0
2 years ago
8/9 - 1/3 equals what​
zhenek [66]

Answer:

5/9

Step-by-step explanation:

6 0
3 years ago
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