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jekas [21]
3 years ago
11

PLEASE HELP! Will mark Brainliest!

Mathematics
2 answers:
arlik [135]3 years ago
7 0
Circle A would make more sense (I'm not exactly sure) because it shows the entire circle (if you know what I mean).
Alex Ar [27]3 years ago
6 0
Area A = 10^2(<span>π/180x90 - sin90)
Area A = 28.54

</span>Area B = 12^2(π/180x60 - sin60)
Area B = 13.04

segments <span>CED </span>has a greater area

so answer
Circle A: radius = 10m, m∠CAD = 90°
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Which expression can be used to check the answer to 56 ÷ (-14) = n?
kozerog [31]
A. Multiplication is the ONLY function that reverses what division did. If you did 56/-14 = n, then n x -14 should equal 56.
6 0
3 years ago
Read 2 more answers
Can some one help me match these ?
Anastaziya [24]
This is the order....

8 0
3 years ago
Simplify so that there are only positive exponents. (3^9/3^-5)?
lianna [129]

Answer:

19,683 and 1/243

Step-by-step explanation:

5 0
2 years ago
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
NemiM [27]

Answer:

x squared over 4 plus y squared over 8 equals 1

Step-by-step explanation:

The general equation of ellipse is given as;

(x²/a²) + (y²/b²) = 1

The coordinates of a foci are: (±c, 0) where;

c² = b² - a²

However, we know that equation of directrix is; x = ±a/e

Now, Directrix is given ±4

Thus, a/e = 4

a = 4e

We also know that c = ae from ellipse foci coordinates.

Thus, ae = 2

since ae = 2, then (4e)e = 2

4e² = 2

e² = 2/4

e = 1/2

Thus;

a = 4 × 1/2

a = 2

Since c² = b² - a²;

2² = b² - 2²

4 = b² - 4

b² = 8

From (x²/a²) + (y²/b²) = 1, we can put our values to get;

x²/4 + y²/8 = 1

6 0
2 years ago
What is 10 less than 14 in algebraic expression?
Cerrena [4.2K]

14-10=? less than indicates that a minus sign is needed.

7 0
3 years ago
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