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rjkz [21]
2 years ago
15

For f(x) = 322 - x , find the value of f(-9).

Mathematics
1 answer:
bekas [8.4K]2 years ago
8 0

Answer:

42

Step-by-step explanation:

simplify

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If the length of the minor axis of an ellipse is 6 units and the length of the major axis is 10 units, how far from the center a
Sedbober [7]

The distance from the center to where the foci are located exists 8 units.

<h3>How to determine the distance from the center?</h3>

The formula associated with the focus of an ellipse exists given as;

c² = a² − b²

Where c exists the distance from the focus to the center.

a exists the distance from the center to a vertex,

the major axis exists 10 units.

b exists the distance from the center to a co-vertex, the minor axis exists 6 units

c² = a² − b²

c² = 10² - 6²

c² = 100 - 36

c² = 64

c = \sqrt{64}

c = 8

Therefore, the distance from the center to where the foci are located exists 8 units.

To learn more about the Pythagorean theorem here:

brainly.com/question/654982

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3 0
1 year ago
maggie's brother is 3 years younger than twice her age. the sum of their ages is 24. write solve an equation to determine maggie
prohojiy [21]
Maggie =x
brother = 2x-3
x+2x-3= 24
27 /3= 3 x/3
x= 9 years
7 0
3 years ago
1 4/8 in a improper fraction?
stiv31 [10]
<h2>Answer:\frac{3}{2}<u><em></em></u></h2>

Step-by-step explanation:

Step 1: Multiply the whole number part (1) by the denominator (8).

1 × 8 = 8

Step 2: Add the product from Step 1 (8) to the numerator (4).

8 + 4 = 12

Step 3: Write that result (12) above the denominator. So,

\frac4{8}{1}

Step 4: The fraction \frac{12}{8}

Can be reduced by dividing both numerator and denominator by the GCD(12,8) = 4. Thus,

\frac1{4}{8} =\frac{3}{2}

8 0
2 years ago
A child is running on a moving sidewalk in an airport. When she runs against the sidewalk's motion, she travels 27ft in 9 second
mixer [17]
3ft per second on a still sidewalk (27/9) , 11ft on the moving sidewalk.(99/9)

Hope this helps!
5 0
3 years ago
translate the words into a algebraic expression. "twenty-seven more than a number squared" "one less than three times a number"
Stella [2.4K]

Answer:

n^2+27 and 3n-1

Step-by-step explanation:

n is a number.

a number squared is n^2

27 more than a number squared is n^2+27

n is a number.

three times a number is 3 times n, or 3n

one less than that is 3n-1

Hope this answer helped! :)

3 0
2 years ago
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