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Feliz [49]
4 years ago
12

NEED HELP ASAP!! Determine the correct set-up for solving the equation.

Mathematics
2 answers:
antoniya [11.8K]4 years ago
8 0
D is the correct answer
statuscvo [17]4 years ago
4 0
4x^2 -3x -9=0

a=4
b=-3
c=-9

so D is the correct answer
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In a circle C, r = 32 units. What is the area of circle c
Tcecarenko [31]
The answer is A≈3217u²

For the area of circles, multiply \pi×radius² 
4 0
4 years ago
The diameter of a circle has the endpoints of (2, 5) and (-8, 29). Find the center and radius of the circle. ANSWERS ATTACHED, d
lilavasa [31]

Answer:

\mathrm{Center\:\:}= (- 3,17)\\\mathrm{Radius\:\:}=  13

Step-by-step explanation:

Remember that the center of the circle would be equidistant from the given points that lie on the circle.

By determining the diameter through the distance of the given points, we can determine the radius by dividing this distance by 2. And by determining the radius we can determine the center of the circle. Let's do it.

\mathrm{Distance\:between\:}\left(2,\:5\right)\mathrm{\:and\:}\left(-8,\:29\right) = \sqrt{\left(-8-2\right)^2+\left(29-5\right)^2} = 26

\mathrm{Radius\:\:}= 26 / 2 =13

So now that we know the radius is 13 units, we can eliminate answer choice(s) # 2 and # 4. That leaves us with the first and third answer choices. The center being (5,12) is not likely, as most of the circle lies in the 2nd quadrant. That is presumably why (- 3,17) is more predictable. Our answer is the third option.

7 0
4 years ago
Please Help!!
Harlamova29_29 [7]
The answer is C


You would distribute the 5 so 5 times x= 5x


and 5 times positive 10 = 50

You are left with 5x=50
4 0
4 years ago
Read 2 more answers
Given ABC, sin (A)=
Alisiya [41]

We are given all three angles here:

Angle A =68 degrees

Angle B =90 degrees

Angle C =22 degrees.

Now let us calculate :

sin (A) = sin (68) = 0.927

cos (B) = cos (90) = 0

sin (B) = sin (90) =1

cos (C) = cos (22) = 0.927

tan (C) = tan(22) =0.4040

So we can see that sin (A) and cos (C) are both equal to 0.927.

So cos (C) is the correct option.

8 0
3 years ago
Read 2 more answers
The length of the base of a triangle is 8.5 cm, and its height is 5.4 cm. if the area of the triangle is half of the product of
lawyer [7]
Area = 1/2bh = 1/2 x 8.5 x 5.4 = 22.95 squared centimeter
7 0
3 years ago
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