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Bess [88]
2 years ago
5

Please answer!!!!!!!

Mathematics
2 answers:
tamaranim1 [39]2 years ago
5 0

The file won't open sorry

jeka942 years ago
3 0
The file won’t open but do you think you can repost it?
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4. A horizontal ellipse, centered at the origin has a major axis of 10 units and minor axis of 8 units. Write the
s2008m [1.1K]

Answer:

\frac{x^2}{25} +\frac{y^2}{16} =1

Step-by-step explanation:

For ellipses, the length of the major axis is represents as:

Major axis = 2a

where a is called the semi-major axis.

In this case since the major axis is equal to 10 units:

10=2a

solving for the semi-major axis a :

a=10/2\\a=5

and also the minor axis of an ellipse is represented as:

Minor axis = 2b

where b  is called the semi-minor axis.

Since the minor axis has a length of 8 units:

8=2b

solving for b:

b=8/2\\b=4

Now we can use the equation for an ellipse centered at the origin (0,0):

\frac{x^2}{a^2} +\frac{y^2}{b^2} =1

and substituting the values for a and b:

\frac{x^2}{5^2} +\frac{y^2}{4^2} =1

and finall we simplify the expression to get the equation of the ellipse:

\frac{x^2}{25} +\frac{y^2}{16} =1

5 0
2 years ago
WHAT IS 3x3+5-6+2= <br> iN SHOW YOUR ANSWER
Montano1993 [528]

Answer:

10

Step-by-step explanation:

3 x 3 + 5 - 6 + 2=

PEMDAS states we do multiplication first.

9 + 5 - 6 + 2

Since it's just addition and subtraction, we calculate left to right

14 - 6 + 2

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8 0
3 years ago
Whoever answers first can get brainliest!
Andrew [12]

Answer:

d

Step-by-step explanation:

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3 years ago
Holly scored an 88, 91, 89, 84, and a 98 on the last five math tests. What is her mean test score?
zaharov [31]

Answer:the mean is 90

Step-by-step

you find the sum of the values then divide them by the amount of numbers in the set

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2 years ago
In ΔRST, the measure of ∠T=90°, the measure of ∠R=67°, and TR = 94 feet. Find the length of RS to the nearest tenth of a foot...
scZoUnD [109]

Answer:

240.6 ft is your answer of your question.

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2 years ago
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