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3 years ago

Using the distance formulas, find the equation of a parabola with a focus of (3, 4) and a directrix of y = −2.

Mathematics

1 answer:

Charra [1.4K]3 years ago

4 0

Try using a site like Khan Academy to get a solution

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Identify the range of the function.

Kryger [21]

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3 years ago

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harmaine spent a total of $20 at the grocery store. Of this amount, $9 she spent on fruit. What percentage of the total did she

zheka24 [161]

Answer:

45%

Step-by-step explanation:

First, let's set up a fraction of how much money she spent for fruit out of the total amount of money she spent.

$\frac{9}{20}$

For a percentage, we need a fraction out of 100. To do this, we can multiply the fraction by 5/5 (5*20=100). Notice we can only do this since 5/5 is equivalent to 1, so you are technically multiplying the fraction by 1.

$\frac{9}{20}*\frac{5}{5}=\frac{45}{100}$

A percentage is just the numerator of a number over 100 therefore it is equal to...

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2 years ago

Is it a function????

Troyanec [42]

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3 years ago

Can u help me with the bases,faces and edges for the cross section

garik1379 [7]

Wouldn’t the faces be the triangle parts ? Like p,q,o p,m,q n,o,q

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3 years ago

Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the mean and median for each of

gulaghasi [49]

Answer:

Male: Median: 64.5 and the mean is 70.6

Female: median: 83 and mean is: 79.93

Step-by-step explanation:

For median, you place all of the numbers from lowest to highest, and then find the number in the middle.

For Mean, add up all the numbers, then divide by the amount of numbers there.

For example.

30/5= 6

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2 years ago