Given: ΔXYZ

Mathematics

1 answer:

denis23 [38]3 years ago

3 0

Since we don’t have enough information in the problem, I would say d would be the best choice to pick.

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Chantal is driving on a highway at a steady speed. She drives 55 miles every hour. Let d be the total distance in miles and let

strojnjashka [21]

Answer:

$d = 55h$

Step-by-step explanation:

We are given that Chantal drives at a constant speed of 55 miles per hour.

If, d represents the total distance in miles, and

h represents number of hours, the following equation can be used to express the given situation:

$d = 55h$

For every hour, a distance of 55 miles is covered.

Thus, if h = 1, $d = 55(1) = 55 miles$

If h = 2, $d = 55(2) = 110 miles$ .

Therefore, $d = 55h$ , is an ideal equation that represents the situation given in the question above.

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4 years ago

An ice cream shop sells cones at the volume of 94.2 cubic meters they want to double the volume of the cones without changing th

marin [14]

The volume of a cone is $V=\pi r^2\frac{h}3$ where r = radius and h = height. If the cone has a volume of 94.2 cm³ (I assume you didn't mean m³ because that would be ridiculously huge) and a height of 10 cm, we can plug these values into the formula to find the radius. Don't do any rounding.

$94.2 = \pi r^2\frac{10}3 \\ 282.6 = \pi r^2 *10 \\ 28.26 = \pi r^2 \\ 8.99543738355 = r^2 \\ 2.99923946752=r$

Now we know that's going to be the radius of our new cone as well since we're keeping the diameter the same. The volume is going to be double 94.2 which is 188.4. Let's solve for the height.

$188.4 = \pi (2.99923946752)^2\frac{h}3 \\ 188.4 = \pi(8.99543738355)\frac{h}3 \\ 188.4 = 28.26\frac{h}3 \\ 565.2 = 28.26h \\\\ \boxed{h = 20, r\approx 3}$

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3 years ago

13. Which of the following is not an exponential function?

Amiraneli [1.4K]

Answer:

the answer to the question is y=5*

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3 years ago

Need help with number 10

Paraphin [41]

Answer:

Step-by-step explanation: