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Roman55 [17]
2 years ago
13

Get the numbers: 1-20 by using the numbers 3 9 8 1

Mathematics
1 answer:
ella [17]2 years ago
7 0
3+9+8=20
20x1=20
That’s the answer
You might be interested in
Does 2/3 = 7/16?..........................
siniylev [52]
\frac{2}{3}=\frac{7}{16}

To figure it out, cross multiply:

32=21
Since the values are not equal, 2/3 does no equal 7/16

6 0
3 years ago
Read 2 more answers
12. Write the equation of a parabola with vertex at<br> (2, -3) and focus at (2,5),
Tatiana [17]

Step-by-step explanation:

The basic form of equation:

(x-h)²=4a(y-k),

(h,k)=coordinates of vertex

(h, k+a) = coordinate of focus

For given parabola:

axis of symmetry: x=2

(h, k) =(2,-3)

(h, k+a)=(2,5)

k+a=5

-3+a=5

a=8(distance from vertex to focus on the axis of symmetry)

equation: (x-2)²=4×8(y+3)

(x-2)²= 32(y+3)

7 0
2 years ago
Probability of choosing a bead that is either green or purple. <br>​
netineya [11]

Answer:

58 %

Step-by-step explanation:

So 18 % of the beads are green and 40 are purple add those and you get 58

7 0
3 years ago
The mean age and median age of 6 people in a room is 40 years. a person whose age is 60 years leaves the room. question 1. if po
FromTheMoon [43]
Mean = (total of contributors) / (number of contributors)

For the 6 people in the room, you have
   40 = (total of contributors) / 6
   (total of contributors) = 6*40 = 240

A 60-year-old left the room, decreasing the total of contributors by 60.
   (new total of contributors) = (total of contributors) - 60
   (new total of contributors) = 240 - 60 = 180

Then the new mean is
   (new mean) = (new total of contributors) / (new number of contributors)
   (new mean) = 180 / 6 = 36

The mean age of the remaining 5 people is 36.
3 0
3 years ago
A grocery store owner budgets $5,000 to buy and maintain a booth for 300 days to give out samples of food. If she bought the boo
serious [3.7K]

Answer:

x ≤ $12 a day

Step-by-step explanation:

5000-1400=3600

3600/300=12

7 0
2 years ago
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