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Contact [7]
3 years ago
13

How many pairs of points are reflections across the x-axis? A)1 B)2 C)3 D)4

Mathematics
1 answer:
asambeis [7]3 years ago
6 0

Answer:

C. 3

Step-by-step explanation:

C&D, A&F, K&J

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Ganezh [65]

Answer:

the different polynomials is 2

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3 years ago
PLZ HLP! You ask 125 randomly chosen students to name their favorite food. There are 1500 students in the school. Predict the nu
arsen [322]

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696

Step-by-step explanation:

58/125 = 46.4%

0.464 x 1500 = 696 people

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3 years ago
A rotating light is located 20 feet from a wall. The light completes one rotation every 3 seconds. Find the rate at which the li
ss7ja [257]

Answer:

43.17 ft/s

Step-by-step explanation:

Let the height of the wall is y.

distance of wall from light is 20 feet.

tan\theta =\frac{y}{20}    

y = 20 tanθ    .... (1)

time period, T = 3 second

\frac{d\theta}{dt}=\frac{2\pi}{3}

Differentiate equation (1) with respect to t.

\frac{dy}{dt}=20sec^{2}\theta\times \frac{d\theta}{dt}

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4 0
3 years ago
gasoline wholesale distributor has bulk storage tanks holding a fixed supply. The tanks are filled every Monday. Of interest to
Zolol [24]

Answer:

e. 0.08

Step-by-step explanation:

In the question above, a certain quantity of goods was supplied while a specific quantity of goods was sold per week. In a given week, if the number of proportion sold is X, therefore:

f(x) = {Γ(4+2)/Γ(4)Γ(2) x^3 (1-x), 0≤x≤1 ; 0, elsewhere

and

P(X greater than 0.9) =  \int\limits^1_ {0.9} \, 20(x^{3} - x^{4}) dx = 20*{(y^4/4)[1,0.9] - (y^5/5)[1,0.9]} = 20*{(0.25 - 0.164) - (0.20 - 0.118)}  = 20*{0.086 - 0.0819} = 20*0.0041 = 0.082

Therefore the probability of the proportion sold is approximately 0.082

4 0
3 years ago
Using the probability scale, what is the probability that a red cube will be drawn when a cube is selected from a bag that has 5
dmitriy555 [2]

Answer:

D

Step-by-step explanation:

Probability is calculated by divided the amount of something you have by the total amount. In this case, 5 red cubes by 10 total cubes to get .5. This falls into evens in your probability scale.

5 0
2 years ago
Read 2 more answers
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