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son4ous [18]
3 years ago
8

What are the x-intercepts of the following graph? On a coordinate plane, a parabola opens down and goes through (negative 2, 0),

has a vertex at (0, 4), and goes through (2, 0). a. (0, 2) and (0, -2) c. (2, 0) and (-2, 0) b. (0, 4) d. (1, 0) and (3, 0) Please select the best answer from the choices provided
Mathematics
1 answer:
Natasha2012 [34]3 years ago
8 0

Answer:

b

Step-by-step explanation:

I think so because its bigger than A but they both are x I'm pretty sure but b I think is the answer

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Can someone help me out with this question? The question is about circle diameters. I'm unfamiliar with finding the length of th
Nady [450]

Answer:

a) m arc AD = 145

b) D = 10

Step-by-step explanation:

a) mAD can be found because triangle OCM can be shown to be congruent to triangle ODM.

The angle AOD is supplementary to DOB which we just showed to be congruent to the known 35° angle COB. Therefore AOD = 180 - 35 = 145°

The arc length is identical to the arc angle when measured between radii.

b) The radius OC = √(OM² + (CD/2)² = √(3² + 4²) = 5.

Diameter is twice radius = 10

7 0
3 years ago
Part c
ehidna [41]

The probability that the first slice of the cake will have the marble exists

7/66.

<h3>How to determine the probability using parts A and B?</h3>

Part A of the question demands that the volume of the cake be

estimated.

The volume of the cake exists, $V=\pi(\frac{d}{2} )^{2} h \\

$&V=\pi(\frac{9}{2} )^{2} * 4

$V=81 \pi

The part B of the question requires that the volume of each cut be

computed

The volume of each cut exists, V = 27

To estimate the required probability

We simply divide the volume of each cut by the volume of the cake.

$P=\frac{27}{81 \pi}

$P=\frac{1}{3 \pi}

Expand $\pi$

$&P=\frac{7}{3 * 22} \\

$&P=\frac{7}{66}

Therefore, the probability that the first slice of the cake will contain the

marble exists at 7/66.

To learn more about probability refer to:

brainly.com/question/24756209

#SPJ4

4 0
2 years ago
3x+8x(-8x+3)= simplify it i guess
xxMikexx [17]

Answer:

27x-64x^2

Step-by-step explanation:

Distribute the 8x

3x-64x^2+24x

Combine like terms (3x and 24x)

27x-64x^2

6 0
3 years ago
Read 2 more answers
Is 28 a solution to the inequality you wrote in Exercise 3? How do you know?
Evgen [1.6K]

Answer:

Yes

Step-by-step explanation:

s<30

Put in 28 for s

28<30

Twenty eight is less than 30 so it is a solution

6 0
3 years ago
Compound inequalities<br>SOLVE FOR X​
snow_tiger [21]

Answer:

X\geq2

Step-by-step explanation:

6 0
3 years ago
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