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3 years ago

If you travel in your Honda Civic at an average speed of 70 mph on I-81, how far will

Mathematics

1 answer:

Ainat [17]3 years ago

5 0

Answer:

210 miles

Step-by-step explanation:

70x3 70mph for 3 hours

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What is 578 rounded to the nerist 100?

Maslowich

600,<span>We round the number up to the nearest hundred if the last two digits in the number are 50 or above.</span>

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3 years ago

What is the approximate volume of a cylinder with a diameter of 12 meters and a height of 7 meters? Use 3.14 for pi.

storchak [24]

The mathematical equation for volume of a cylinder is pi times radius Squared Times height

The radius squared is 36

So 3.14 x 36 =113.04
Then you multiply 113.04 x 7 = 719.28.
Round that number and you get to 791.3.

So the answer is c

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3 years ago

To solve y and x, I am adding a picture

Viktor [21]

Answer:

$x =\sqrt 5$

$y = \sqrt{5$

Step-by-step explanation:

Given

The attached triangle

Required

Solve for x

Considering angle 45 degrees, we have:

$\cos(45) = \frac{y}{\sqrt{10}}$ --- cosine formula i.e. adj/hyp

Solve for y

$y = \sqrt{10} * \cos(45)$

In radical form, we have:

$y = \sqrt{10} * \frac{1}{\sqrt 2}$

$y = \sqrt{10/2}$

$y = \sqrt{5$

To solve for x, we make use of Pythagoras theorem

$x^2 + y^2 = (\sqrt{10})^2$

$x^2 + y^2 =10$

Substitute for y

$x^2 + (\sqrt 5)^2 =10$

$x^2 + 5 =10$

Collect like terms

$x^2 =10-5$

$x^2= 5$

Solve for x

$x =\sqrt 5$

4 0

3 years ago

A function follows the rule y = -75 - 5x. When the function's output is 25, the equation is 25 = -75 - 5x.

brilliants [131]

Answer:

x = 20

Step-by-step explanation:

hmu for more information

7 0

4 years ago

Find the area of the shape

alexgriva [62]

Answer:

I think the answer is 672 please be right

4 0

3 years ago

Read 2 more answers