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Andreas93 [3]
3 years ago
6

Help pls!!

Mathematics
2 answers:
Elodia [21]3 years ago
6 0

Step-by-step explanation:

For this, we need to apply the Pythagoras theorem.

What this states?

It states that the sum of the squares of base and height of a right angle Triangle is equal to the square of hypotenuse of the triangle.

So, according to figure, a rectangle also has 90° angle.

65 being hypotenuse, 56 being base, we need height.

\rm{Height^2 = Hypotenuse^2 - Base^2}

\rm{Height^2 = (65)^2 - (56)^2}

\rm{Height = \sqrt{ 4225- 3136}}

\rm{Height = 33 \ metres}

And height is equal to x. So, 33 is the answer.

hodyreva [135]3 years ago
3 0

Answer:

C) 33 meters

Step-by-step explanation:

In this question, we need to find the value of the variable "x".

To do this, we must use the Pythagorean theorem: a² + b² = c²

Plug in your values and solve:

56² + b² = 65²

3,136 + b² = 65²

3,136 + b² = 4,225

Subtract 3,136 from both sides.

b² = 1,089

To cancel out the exponent, we would square root both sides.

√b² = √1,089

b = 33

This means that C) 33 meters will be your answer.

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Feliz [49]

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Answer:

  5 miles

Step-by-step explanation:

It may get a bit messy, but we can solve for the desired value directly. Let d = the distance walked (in miles). Then 20-d is the distance traveled in the car. The relevant relation is ...

  time = distance / speed

The total travel time is 9:00 -6:50 = 2:10 = 2 1/6 hours = 13/6 hours. Here is the equation for total travel time.

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Multiplying by 30 gives ...

  65 = 10d + 20 -d

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The girl walked 5 miles.

_____

<em>Check</em>

Her walking time was (5 mi)/(3 mph) = 5/3 h = 1:40.

Her riding time was (15 mi)/(30 mph) = 1/2 h = 0:30.

Her total travel time was 1:40 +0:30 = 1:70 = 2:10, as required.

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2. A maintenance crew is paving a road in 7-hour shifts. After
harkovskaia [24]

Answer:

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Step-by-step explanation:

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3 years ago
PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!
GarryVolchara [31]

Answer:

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Step-by-step explanation:

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