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pogonyaev
3 years ago
10

If a plane is cruising at an altitude of 30,000

Mathematics
1 answer:
madam [21]3 years ago
7 0

Answer:

244,330 feet

Step-by-step explanation:

Please refer to the image attached for explanations

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Jan spends part of her year as a member of a gym. She then finds a better deal at another gym, so she cancels her membership wit
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Yeah so she spent half they year at the first one more than likely
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2 years ago
What is 7/10 divided by 2
vodka [1.7K]

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7/20

Step-by-step explanation:

7/10 ÷ 2/1 is the same as 7/10 * 1/2 which is 7/20

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What is y=4/5x+4 in standard form
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-4 1/5+3 2/3+ -1 2/5
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3 years ago
Read 2 more answers
(ED. 21) Analytic Geometry Unit Test..... #3 Which point is a solution of x2 + y2 > 49 and y ≤ –x2 – 4?
sdas [7]

Answer:

We want to find a solution of the system:

x^2 + y^2 > 49

y ≤ –x^2 – 4

Here we do not have any options, so let's try to find a general solution.

First, we can remember that the equation of a circle centered in the point (a, b) and of radius R is:

(x - a)^2 + (y - b)^2 = R^2

If we look at our first inequality, we can write it as:

x^2 + y^2 > 7^2

So the solutions of the first inequality are all the points that are outside (because the symbol used is >) of the circle of radius R = 7 centered in the origin.

From the other equation, we would get:

y ≤ –x^2 – 4

This is parabola, anything that is in the graph of the parabola or below will be a solution for this inequality.

Then the solutions of the system, are the ones that are in the region of solutions for both inequalities.

You can see the graph below, where both regions are graphed. The intersection of these regions is the region of the solutions for the system of inequalities:

by looking at the graph, we can see a lot of points that are solutions, like:

(0, -10)

(0, -15)

(2, -10)

etc.

8 0
3 years ago
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