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Usimov [2.4K]
3 years ago
12

in a fish bowl there were 12 fish, some little, others big. if each of the big fish ate 2 little fish and then the little fish w

ere all gone, how many fish were left in the bowl?
Mathematics
2 answers:
hjlf3 years ago
8 0
There are 4 fish left because 2 x 4 = 8, and 8 + 4 = 12.
Charra [1.4K]3 years ago
3 0
There will be 4 big fish left.
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Answer:

Answer is 40.

Step-by-step explanation:

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Descried how to derive the quadratic formula from a quadratic equation in standard form
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Answer:

The standard form of a quadratic equation is:

ax^2+bx+c=0, a\neq 0

Quadratic Formula Derivation:

ax^2+bx+c=0\\

$x^2+\frac{b}{a}x+\frac{c}{a} =0 $

$x^2+\frac{b}{a}x = -\frac{c}{a}$

Completing the Square:

$x^2+\frac{b}{a}x +\frac{b^2}{4a^2} = \frac{b^2}{4a^2}-\frac{c}{a}$

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8 0
3 years ago
Plssss help in need of answers soon
vfiekz [6]
My guess is that you're doing the Law of Cosines? You have everything you need for that except the angle theta, which is the thing you need to find.  It's set up like this: (8)^2 = (10)^2 + (5)^2 -[2(10)(5)cos A]  I used A instead of theta. Doing that math, you have: 64 = 100 + 25 -[ 100 cos A]; 64 = 125 - 100 cos A;
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5 0
3 years ago
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Yuliya22 [10]

Answer:

The statement which not supported by the relative frequency table is " The reason given the least number of times was did not finish assignment " ⇒ C

Step-by-step explanation:

A relative frequency table shows the mode of a certain type of data based on the population sampled

To find the relative frequency, divide the frequency by the total number of data values

The table:

→  Reason                               :    Relative Frequency

→  Illness                                 :    0.57

→  Overslept                           :    0.20

→  College visit                       :    0.16

→ Did not finish assignment  :    0.07

Lets check each statement

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From the table illness is 0.57 which equals to 57% of the students, so more than 50% (half) of the students were absent because of illness

The answer supported by the table

B.  More than one-third of the students were absent because of oversleeping or college visits

From the table overslept is 0.20 and collage visit is 0.16, or means add the two numbers, so 0.20 + 0.16 = 0.36 which equals to 36% and one-third of the students means 33%, so more than one-third of the students were absent because of oversleeping or college visits

The answer supported by the table

C. The reason given the least number of times was did not finish assignment

There is no any reason on the table for the least number of times was did not finish assignment

The answer NOT supported by the table

D. Only 7 students were absent because they did not finish an assignment.

From the table 0.07 Did not finish assignment, that means if the total number of students is 100, than 7 students only did not finish an assignment

The answer supported by the table

E. Less than one-fourth of the students were absent because they overslept

One-fourth means 0.25, and from the table 0.20 over slept, so less than 0.25 of the students were absent because of Overslept

The answer supported by the table

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Passes through (6, 3) and (14,-5)
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Step-by-step explanation:

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