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Effectus [21]
3 years ago
9

At top speed jaguar can run 2.5 miles in 3 mins what is it’s speed in mph

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
8 0

Answer:

50 mph

Step-by-step explanation:

<u>Speed of Jaguar given:</u>

  • 2.5 miles in 3 mins
  • Speed in mph = ?

<u>Solution:</u>

  • 2.5 miles / 3 mins =
  • 2.5 miles / (3/60 h) =
  • 2.5*60/3 mph =
  • 2.5*20 mph =
  • 50 mph
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I think of a number, double it and my answer is 15
Aliun [14]

Answer:

Use reverse operations to find the original number.

15/2

7.5

The number that was originally thought of was 7.5.

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4 0
2 years ago
Area of a square with the length of 100cm and a width of 2cm
Rashid [163]

Answer:

200cm^{2}

Step-by-step explanation:

the formula for working out the area is to multiply the length by the width.

so for this you would multiply 100 by 2 which gives you 200 cm squared

100*2=200cm^{2}

4 0
3 years ago
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How are mathematical models helpful? What are the advantages and disadvantages of using a model?
Gemiola [76]
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3 years ago
Factorise.<br> Help would be massively appreciated:)
kenny6666 [7]

Answer:

A. 2x(x+3)

B. 2y(y-4)

C. 5p(p+2)

D. 7c(c-3)

E. 3x(2x+3)

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4 0
2 years ago
The game of Connex contains one 4-unit piece, two identical 3-unit pieces, three identical 2-unit pieces and four identical 1-un
Aleks [24]

Answer: 277 ways

Step-by-step explanation:

Let’s start bycreating 10-unit pieces using the 4-unit piece.

The arrangements are:

1). 4-3-3 (3 permutations)

2). 4-3-2-1 = 4! = 24 permutations.

3). 4-3-1-1-1 (5*[4!/(3!1!)]

= 5*4

= 20permutations

4). 4-2-2-2 (4 permutations)

5). 4-2-2-1-1 (5 *[4!/(2!2!)]

= 5*6

= 30 permutations

6). 4-2-1-1-1-1(6*[5!/(4!1!)]

= 6*5

= 30 permutations

Let’s-consider the arrangements using one or more3-unit pieces and no 4-unit piece:

7). 3-3-2-2 (4!/(2!2!)

8). 3-3-2-1-1 (5*(4!/(2!2!)

= 5*6

= 30 permutations.

9). 3-3-1-1-1-1 (6!/(4!2!) = 0

10). 3-2-2-2-1 (5*4!/(3!1!)

= 5*4

= 20permutations

11). 3-2-2-1-1-1 (6*5!/(3!2!)

= 6*10

= 60 permutations

Finally we would look at the arrangements using only 1-and 2-unit pieces:

12). 2-2-2-1-1-1-1 (7!/(4!3!)

= 35 permutations

add them all up:

(3 + 24 + 20 + 4) + (30 + 30 + 6 + 30) + (15 + 20 + 60 + 35)

=51 + 96 + 130

= 277ways

5 0
2 years ago
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