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Fittoniya [83]
3 years ago
7

In a class. 40% of the student's study math and science, 60% of the students study

Mathematics
1 answer:
GaryK [48]3 years ago
8 0

Answer:

2/3

Step-by-step explanation:

A = Student studying Math

B = Student studying Science

P(B|A) = P(A and B) ÷ P(A).

P(B|A) means the probability of event B given event A.

Given :

P(A and B) = 0.40.

Also P(A) = 0.60.

P(B|A) = 0.40 ÷ 0.60 = 2 ÷ 3.

So, the answer is 2/3.

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Some ice cubes are stacked as shown. If the face of each ice cube is a square and each ice cube represents one cubic unit, what
lana66690 [7]

Answer:

B. 16 cubic Units

Step-by-step explanation:

take the height × length × width and that would be your answer... in this case it would be 4×2×2 which equals to 16.

7 0
3 years ago
Rotate the vector (0,2) 270 degrees counterclockwise about the origin
SashulF [63]
<h3>Answer:  (2,0)</h3>

Explanation:

The vector (0,2) points directly north and the length of this vector is 2 units. It's the distance from (0,0) to (0,2).

When rotating 270 degrees counterclockwise, we'll turn to the left or westward direction (90 degrees so far) then at some point aim directly south (180 degrees so far) and finally ultimately end up pointing directly east (after getting to 270). So that's how we go from (0,2) to (2,0).

If you were to go clockwise, then everything flips and you'll ultimately end up pointing directly west. The length of the vector stays the same the whole time.

3 0
3 years ago
a candy necklace is extended from the top of a 10-foot ice cream cone to the ground. The necklace makes a 55 degree angle of the
Finger [1]

Answer:

The length of the necklace is 12.20 foot

Step-by-step explanation:

Given as :

The height of the ice cream cone to the ground = h = 10 foot

The angle make by the necklace of the ice cream cone = 55°

Let The length of the necklace = L foot

<u>Now, from figure </u>

Height = BC = h foot

The length of the necklace = L = AC

So, Sin angle = \dfrac{\textrm perpendicular}{\textrm hypotenuse}

Or, Sin 55° = \dfrac{\textrm BC}{\textrm AC}

Or, 0.8191 = \dfrac{h}{L}

Or, 0.8191 = \dfrac{10 foot}{L}

Or, L = \dfrac{10 foot}{0.8191}

∴  L = 12.20 foot

So, The length of necklace = L = 12.20 foot

Hence The length of the necklace is 12.20 foot Answer

5 0
3 years ago
School 1: minimum:68, Q1=77, median=83, Q3=86, maximum=95
vlada-n [284]
In school 1, 50% of the students scored above 83 and in school 2, 50% of the class scored above 81.
In school 1, 25% of the students scored above 86 and in school 2, 25% of the class scored above 85.
In school 1, 25% of the students scored below 77 and in school 2, 25% of the class scored below 73.
The minimum score for school 1 is 68 while that of school 2 is 65.
The maximum score for school 1 is 95 while that of school 2 is 98.

In all this measures of center, the data from both schools are close together, so we can conclude that both schools did abut the same on the test.
6 0
3 years ago
Last question Can anybody help
ludmilkaskok [199]

Answer:

-8/15

Step-by-step explanation:

6 0
3 years ago
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