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1 year ago

The water level of a tank every minute since it began filling is indicated by segments A,B,and C on the graph

Mathematics

1 answer:

coldgirl [10]1 year ago

8 0

SOLUTION

From the graph

The slope of line A is

$m=\frac{60-20}{2-0}=20$

The slope of line B is

$n=\frac{80-60}{6-2}=5$

The slope of line C is

$p=\frac{110-80}{9-6}=10$

The least segment is the segment with the least slope.

The required arrangement is

$B,C,A$

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Solve for x 12x/5 a.x=-71/2 b. x=71/2 c. x= 43 1/5

babunello [35]

Answer:

x = - 12 6/7

Step-by-step explanation:

x - 12x/5= 18

Get a common denominator on the left

5/5 x -12/5x = 18

Subtract

-7/5 x = 18

Multiply each side by -5/7 to isolate x

-5/7 *-7/5 x = -5/7 *18

x = -5*18/7

x = -90/7

Changing this to a mixed number

7 goes into 90 1 2 times with 6 left over

x = - 12 6/7

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3 years ago

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Someone please check this if this is right by giving me an explanation.

fomenos

Answer:

Its correct

Step-by-step explanation:

Its correct since its correct

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3 years ago

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Suppose you have 6 pairs of socks in your sock drawer. It is still dark out in the morning when you get dressed, so you just pul

Debora [2.8K]

Answer:

8/33 = 0.242

Step-by-step explanation:

There are 12 socks to begin with and one is taken;

The second is picked from the remaining 11 and will either match the first or not;

The probability of matching is 1/11 and 10/11 for not matching;

If the sock matches, no further sock is taken;

If the socks don't match, a 3rd sock is taken;

The 3rd sock is taken from the remaining 10, 1 of which will match with the first sock and another which will match the second;

Therefore, the probability of taking a matching sock on the third pick will by 2/10 or 1/5 and the probability it will not match either of the first two is 8/10 or 4/5;

Once again, if the sock matches either of those previously taken, no further sock is taken;

If the socks don't match, a 4th sock is taken;

Now, there are 9 socks remaining in the drawer;

Picking is repeated;

The process is logical;

The attached picture shows a tree diagram representing this information in an easily digestible way and makes it easy to work out the desired probability;

With tree, diagrams, you just multiply across until you get to your desired outcome;

In this case, we are finding the probability of picking 5 socks exactly;

Each process splitting represents the picking of a sock;

The probability will be:

10/11 × 8/10 × 6/9 × 4/8 = 8/33 = 0.242...