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Reptile [31]
3 years ago
5

If O is the center of the circle and mZABC = 30°, what is the measure of BDC? D B A C mZBDC = [?] degrees​

Mathematics
2 answers:
ololo11 [35]3 years ago
5 0

Answer:

angle BDC=60°

<h3>stay safe healthy and happy..</h3>

swat323 years ago
3 0

Answer:

60

Step-by-step explanation:

ABC is OBC:30

180-90-30=60

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4. Find the total surface area.<br>5.1 in.<br>3 in.<br>8.3 in.​
maw [93]

Answer:

Surface Area  = 165.06 inches 2

Step-by-step explanation:

5.1 in.

3 in.

8.3 in.​

Surface Area = 2×(5.1×3 + 5.1×8.3 + 3×8.3)

                      = 165.06 inches 2

6 0
3 years ago
Rectangle<br> rhombus<br> square<br> isosceles trapezoid
timofeeve [1]

Answer:

Rhombus

Step-by-step explanation:

It does not have congruent diagonals

7 0
3 years ago
A scale drawing of Joshua's living room is shown below:
Nadya [2.5K]
To find the answer, first lets divide the width and length by the scale amount given, 2 cm.

Width: 4 cm / 2 cm = 2

Length: 6 cm / 2 cm = 3


After this, we multiply the result by the amount to scale up, in this case 4 feet.

Width: 2 * 4 = 8 feet


Length: 3 * 4 = 12 feet

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5 0
4 years ago
h = -16t^2 + 541? its been forever since i had to do this and frankly I'm completely lost. please if you answer this can you tea
natta225 [31]
A = -16  b = 0  c = 541
Use the quadratic formula which is
x = [-b +- sq root (b^2 -4*a*c)] / 2*a
x = [-0 +-sq root (0 -4*-16*541)] / 2 * -16
x = + - sq root (0 -4*-16*541) / -32
x = + - sq root (34,624) / -32
x = + - 186.075 / -32

x1 = 186.075 / -32 = <span> <span> <span> -5.81484375 </span> </span> </span>
x2 = -186.075 / -32 = <span> <span> <span> 5.81484375 </span> </span> </span>


7 0
3 years ago
construct a polynomial function with the stated properties. third degree with zeros of -2,-1, and 3 and passes through the point
AfilCa [17]

Answer:

f(x) =  - (x + 2)(x + 1)(x - 3)

Step-by-step explanation:

Let f(x) be the 3rd degree polynomial function.

The roots of this function are:

x=-2, x=-1 and x=3.

The factored form is:

f(x) = a(x + 2)(x + 1)(x - 3)

This equation passes through (2,12)

This implies that;

a(2 + 2)(2+ 1)(2 - 3) = 12 \\  - 12a = 12 \\ a =  - 1

The polynomial function is

f(x) =  - (x + 2)(x + 1)(x - 3)

3 0
3 years ago
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