2 years ago

A cyclist travels 4 miles in 20 minutes. At this rate, how many miles does the cyclist travel in 30 minutes?

Mathematics

1 answer:

marshall27 [118]2 years ago

6 0

Answer:

Step-by-step explanation:

20 mins. divided by 4 is 1mi./5 minute

so 1 miles in 5 minute

30 minutes divided by 5 is 6

so 6 miles in 6 minutes

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Dimas [21]

Answer: Jenny

Step-by-step explanation:

By subtitue Y = 0

0=(x-3)^2

And you get 3

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2 years ago

In the given the figure above, m∠BAC = 64° and m∠CBA = 56°. Part I: Find the m∠DEC. Part II: Explain the steps you took to arriv

Alex17521 [72]

since the triangles are similar

angle DEC = 60 degrees

3 angles inside a triangle equal 180 degrees

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DEC = 180 -56 -64 = 60 degrees

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2 years ago

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At the county fair, the operator of a game guesses a contestant’s weight. For each pound the operator’s guess differs from the c

BartSMP [9]

Answer: $| x - \frac{15}{3} | = 120$ or $\frac{1}{3}| 3 x - 15|= 120$ or $| 3x - 15| = 360$ or $| x - 5 | = 120$

Step-by-step explanation:

Since, According to the question,

For each pound the operator’s guess differs from the contestant’s weight, the contestant will receive $3.

And, If a contestant weighing x pounds received $15

Then the guessed weight of contestant = $| x - \frac{15}{3} |$

But, Again according to the question,

The guessed weight is 120 pounds,

Thus, $| x - \frac{15}{3}|= 120$

⇒ $\frac{1}{3}| 3 x - 15|= 120$

⇒ $| 3x - 15|= 3\times 120$ (by multiplying 3 on both sides)

⇒ $| 3x - 15|= 360$

⇒ $3| x - 5|= 360$

⇒ $| x - 5|= 120$ ( On dividing both sides by 3 )

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2 years ago

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A recipe that makes 4 servings calls for Two-thirds cup of flour. How much flour is required to make 20 servings? 6 cups 3 and o

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Answer:

3 1/3 cups of flour

Step-by-step explanation:

20/4 = 5

20 servings is 5 times 4 servings, so you need 5 times the amount of ingredients.

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2 years ago

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A bookcase is 2.3 metres tall and the height of each self is 34 cm how many shelf are there?

larisa86 [58]

Hi there!

$2.38$ × $100 = 238cm$

$2.38$ ÷ $38 = 7$

⇒ So there are 7 shelves in total.

Hope this helped you!

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2 years ago

A cyclist travels 4 miles in 20 minutes. At this rate, how many miles does the cyclist travel in 30 minutes?​

A cyclist travels 4 miles in 20 minutes. At this rate, how many miles does the cyclist travel in 30 minutes?