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BaLLatris [955]
3 years ago
11

Select the correct answer from each drop-down menu. Margie is practicing for an upcoming tennis tournament. Her first serve is g

ood 20 out of 30 times on average. Margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. How could she design a simulation for this scenario? The scenario can be simulated by rolling a six-sided die ---- times. The ----- would represent the number of Margie's good first serves. If the ------- appear in a set of outcomes one time each, it would mean that at least four of the next six first serves that Margie makes will be good. 1)2,4,6,10 ------------------------------ 2)numbers 1 to 3 numbers 1 to 4 numbers 4 to 6 numbers 2 to 4. ----------------------------- 3)numbers 0 to 1 numbers 5 to 6 numbers 4 to 6 numbers 1 to 4
Mathematics
1 answer:
gavmur [86]3 years ago
7 0

Answer:

54

Step-by-step explanation:

54 because

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Write the standard form of the equation of the circle with endpoints of a diameter at the points (7,2) and (-9,5).
lys-0071 [83]

Answer:

(x+1)^2 + (y- 3.5)^2 =64

Step-by-step explanation:

We are given that  endpoints of a diameter at the points (7,2) and (-9,5).

Center of the circle is the mid point of diameter

So, first find the mid point of diameter

Formula : x=\frac{x_1+x_2}{2} , y=\frac{y_1+y_2}{2}

(x_1,y_1)=(7,2)\\(y_1,y_2)=(-9,5)

Substitute the values in formula

x=\frac{7-9}{2} , y=\frac{2+5}{2}

x=-1 , y=3.5

So, center of circle = (h,k )=(-1,3.5)

To find length of diameter :

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

(x_1,y_1)=(7,2)\\(y_1,y_2)=(-9,5)

d=\sqrt{(-9-7)^2+(5-2)^2}

d=\sqrt{265}

Length of radius = r = \frac{Diameter}{2}=\frac{\sqrt{256}}{2}

Standard form of the equation of the circle : (x -h)^2 + (y- k)^2 = r^2

(h,k )=(-1,3.5)

r=\frac{\sqrt{256}}{2}

Equation of the circle : (x+1)^2 + (y- 3.5)^2 =(\frac{\sqrt{256}}{2})^2

Equation of the circle : (x+1)^2 + (y- 3.5)^2 =64

Hence  the standard form of the equation of the circle with endpoints of a diameter at the points (7,2) and (-9,5) is  (x+1)^2 + (y- 3.5)^2 =64

5 0
4 years ago
135,000 mg =_____________ kg
kupik [55]
The correct answer for the question that is being presented above is this one: "<span>0.135 kg."</span>

the topic presented here is conversion.
Converting mg to kg.
1000000 mg = 1 kg
1 mg = 0.000001

So, from the given, 135,000mg, we need to divide it by 1000000 mg in order to get the kilogram conversion.

= 135000 / 1000000
= 0.135 kg.
3 0
3 years ago
Which would be appropriate compatible numbers to use to estimate (19 4/5) (4/6) A. 16(1/3) B. 19(2/3) C. 20(1/2) D. 20(1)
podryga [215]

Answer:

C. 20(1/2)

Step-by-step explanation:

Let's find the value of the expression before looking for the nearest estimate

(19 4/5) (4/6) = 19 *(4/5)(4/6)

(19 4/5) (4/6) = 19(16/30)

(19 4/5) (4/6) = 19(8/15)

(19 4/5) (4/6) = (19*8)/15

(19 4/5) (4/6) = 152/15

(19 4/5) (4/6) = 10(2/15)

A. 16(1/3) =5.33

B. 19(2/3) = 12.667

C. 20(1/2) = 10

D. 20(1)= 20

The nearest to the expression is C. 20(1/2)

6 0
3 years ago
PLSSSSS HELPPP I WILLL GIVEEE BRAINLIEST!!!!!!!!
never [62]
C = b - a

explanation:
you just need to subtract a in this equation.
5 0
3 years ago
Use the Table above for this question. 11. Louise Ponce and her family own 9 points
Makovka662 [10]

PLS HELP ME, ANSWER MY QUESTION

5 0
3 years ago
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