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dexar [7]
3 years ago
14

A container contains balls numbered from 1 through 55. A ball is drawn randomly and replaced. Then a second ball is drawn random

ly. What is the probability that the first ball is number 9 and the second ball is number 41?
Mathematics
1 answer:
Maru [420]3 years ago
7 0

Answer:

1/3025

Step-by-step explanation:

Prob. of getting a 9 is 1/55; likewise for 41. multiply the 2 probs. together. (1/55)^2=1/3025≈0.00033057851

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Find the area of the triangle defined by the coordinates (7, 1), (0, 10), and (9, 4). (To the nearest tenth)
slega [8]

Answer:

  C)  19.5 square units

Step-by-step explanation:

The area from coordinates can be computed as ...

  A = (1/2)|x1(y2 -y3) +x2(y3 -y1) +x3(y1 -y2)|

  = (1/2)|7(10 -4) +0(4 -1) +9(1-10)| = (1/2)|7·6 +9·(-9)|

  = (1/2)|-39| = 39/2 = 19.5

The area of the triangle is 19.5 square units.

4 0
3 years ago
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iogann1982 [59]
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4 0
3 years ago
Pls help I need a good grade <br><br> Z/5+3=-35<br><br> Show your work
alexandr1967 [171]

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Step-by-step explanation:

7 0
3 years ago
What is the simplest form of the quotient 4 square root 810 over 4 square root 2
Len [333]

Answer:

3\sqrt[4]{5}

Step-by-step explanation:

Given: \frac{\sqrt[4]{810} }{\sqrt[4]{2} }

Top and bottom has fourth root. so we take fourth root in common

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When we divide 810 by 2. we will get 405

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3 0
3 years ago
1.<br> Given R (7,-1), A(3,-6),B(-3, -6), E(-5,4), plot the points and trace the<br> figure.
Natalka [10]

Answer:

Step-by-step explanation:

To plot the given point, we will first need to locate each points on a coordinate plane as shown in the attachment.

Each coordinate contains x and y values. For example, for coordinate R (7,-1), we will locate the point where x is 7 and y is -1, the same thing goes for the rest of the coordinate.

The resulting points will be traced to get the required figure. Find the figure attached

4 0
3 years ago
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