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Shtirlitz [24]
3 years ago
12

HELP!!!! What is the area of the shaded region?

Mathematics
2 answers:
Bezzdna [24]3 years ago
7 0

Answer:

15 cm

Step-by-step explanation:

multiply the two numbers

satela [25.4K]3 years ago
6 0

Area of shaded region = Area of bigger circle - Area of smaller circle

= \pi( {5}^{2}  -  {3}^{2} ) \\  = 3.14 \times (25 - 9) \\  = 3.14 \times 16 \\  = 50.24 \:  {cm}^{2}  \\

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25. A wheelchair access ramp has an angle of elevation of 16°. If the ramp
Elanso [62]

Answer:

C. 76.81

Step-by-step explanation:

We must use one of the trigonometric ratios to find the length, L,  of the ramp.  If we use 16 as the reference angle, the 22 in would be our opposite side and the ramp length is the adjacent.

Therefore, we must use tan, which is \frac{opposite}{adjacent}:

tan (16)=\frac{22}{L} \\\\L*(tan(16)=22)\\\\L*tan(16)=22\\

\frac{L*tan(16)}{tan(16)}=\frac{22}{tan(16}  \\\\L=79.815=79.82 in.

8 0
2 years ago
The LCM of 6 and 10 is _______. Numerical Answers Expected! Answer for Blank 1:
Verizon [17]

Answer:

2

Step-by-step explanation:

2 times 3 6

2 times 5 is 10

8 0
3 years ago
Read 2 more answers
Help please thank you!! :)
tankabanditka [31]

Answer:

Area of circle: 1662.57 cm

Circumference of circle: 144.57 cm

Step-by-step explanation:

Formula of area of circle:

pi x r2 or radius x radius

So, it's 22/7 x 23 x 23 = 1662.571429

Formula of circumference of circle:

2 x pi x radius OR

pi x diameter

Let's use the second method, to find diameter it is radius x 2 = 46

So,

46 x 22/7 = 144.5714286

4 0
3 years ago
Find a function whose graph is a parabola with vertex (7, 8) and that passes through the point. (6, −9).
lukranit [14]
Work backwards from vertex form. Vertex form of a quadratic equation/parabola is the following: 

f(x) = a(x - h)² + k, where (h, k) is the vertex. 

f(x) = a(x - 6)² - 9 

Now, plug in the point that you're given to SOLVE FOR A. Remember that f(x) is just another way of writing y. 

8 = a(1)² - 9 
8 = a - 9 
a = 17 

So, plug in a = 17 into the equation. 

<span>f(x) = 17(x - 6)² - 9 ←← your answer.


I hope my answer has come to your help. Thank you for posting your question here in Brainly.
</span>
7 0
3 years ago
Please help me to do this question with steps
Anarel [89]

Answer:

x = 71°

Step-by-step explanation:

Segments of tangents from the same external point are congruent, that is

AT = BT

Then Δ ABT is isosceles with base angles congruent , so

x = \frac{180-38}{2} = \frac{142}{2} = 71°

8 0
3 years ago
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