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poizon [28]
2 years ago
8

Find the area of the shaded regions. GIve your answer as a completely simplified exact value in terms of pi. (No approximations)

Mathematics
1 answer:
Anon25 [30]2 years ago
4 0

Answer:

A = 27π cm²

Step-by-step explanation:

Area of the shaded region = area of full circle of O - Area of the unshaded sector

= (πr²) - (θ/360*πr²)

Where,

r = 6 cm

θ = 360

Area of shaded region = (π*6²) - (90/360*π*6²)

= (36π) - (¼*π*36)

= 36π - 9π

Area of shaded region = 27π cm²

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Missing pattern 24,21, blank 15 blank ,blank
never [62]
To figure out this pattern, let's see if there's a constant rule that this sequence follows.
From 24 to 21, you're subtracting 3.
Let's try n-3, and fill in the blanks as we go.
24 - 3 = 21.
21 - 3 = 18.
18 - 3 = 15.
15 - 3 = 12.
12 - 3 = 9.
It seems that n-3 works as a rule, so your rule is:
N-3.
The missing blanks are:
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I hope this helps!
8 0
3 years ago
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Len [333]

Answer:

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=============================

Explanation:

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We are told that angle ABC is bisected (aka cut in half) because of line s; which means that the angles labeled "4" and "5" are exactly half that of angle ABC = 98 degrees

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4 0
3 years ago
the ratio of black bags to blue bags is 5 to 3. If there are a total of 185 black bags, then how many blue bags are there?
nlexa [21]

Answer:

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Step-by-step explanation:

Let

x ----> the number of black bags

y ---> the number of blue bags

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isolate the variable y

y=\frac{3}{5}x -----> equation A

x=185 ----> equation B

substitute equation B in equation A

y=\frac{3}{5}(185)

y=111

therefore

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8 0
3 years ago
find the equation of the axis of symmetry for this equation. f(x) = 6x^2 - 3x + 49. hint: to find the axis of symmetry, use equa
Olenka [21]

We want to find the axis of symmetry of the function;

f(x)=6x^2-3x+49

STEP 1:

The equation for the axis of symmetry of a line is given as;

x=-\frac{b}{2a}

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STEP 2: Insert the values of a and b into the equation to obtain;

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CONCLUSION:

Therefore, we see that the axis of symmetry is the line;

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