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Elodia [21]
3 years ago
6

Andy solve an equation as shown below. What error did Andy make?

Mathematics
1 answer:
bixtya [17]3 years ago
3 0

Answer:

Step-by-step explanation:

Whatever you do to the left you must do to the right, he multiplied 12 but forgot to multiply the -4 on the left and the + 1 on the right by the number 12

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<img src="https://tex.z-dn.net/?f=%5Csf%20%5Csqrt%7B12%7D%20%5Ctimes%20%5Csqrt%7B12%7D" id="TexFormula1" title="\sf \sqrt{12} \t
Darina [25.2K]

Answer:

12

Step-by-step explanation:

\sqrt{12} \times\sqrt{12}

\mathrm{Apply\:radical\:rule}:\quad \sqrt{a}\sqrt{a}=a,\:\quad \:a\ge 0

\sqrt{12}\sqrt{12}=12

=12

7 0
3 years ago
If Anne can type 8 words for every 5 words. James can type if James can type 150 words how many words can Anne type? HELP PLEEEA
erma4kov [3.2K]
So what your saying is that James can type 5 words and Anne can type 8 words right? And James types 150 so how many can Anne type? Is that what your asking?
5 0
3 years ago
Read 2 more answers
Suppose you roll a six-sided 50 times and calculate the mean roll, x .
Vitek1552 [10]

Answer:

0.07

a. the distribution will be a normal distribution.

c. we would suspicious ins there is a 2 % chance of getting the required value.

Step-by-step explanation:

Let the number of times, t be = 50

Assuming that the die is fair

standard deviation = 1.71

mean = 3.5

suppose we want tp find the probability of a 2 showing. The solution becomes:

probability = \frac{2}{6}  = \frac{1}{3}

c. the  mean of rolls will be 0.07

8 0
4 years ago
Please help me answer this question. Thank u and god bless
Katyanochek1 [597]
This question is a very hard and difficult one to answer.  The main reason 
<span>is because you said "the right rectangular prism shown" and then you didn't </span>
show it.  So all I can tell you is this:

-- The volume of each small cube is

                   (1/4) x (1/4) x (1/4) = 1/64 cubic inch .

-- The volume of the right rectangular prism that's not shown is

<span>   (length in inches) x (width in inches) x (height in inches) cubic inches. </span>

The number of small cubes needed to fill the invisible right rectangular prism is ...

               (volume of the missing right rectangular prism)
divided by
               (volume of each small cube) .

That's

<span>               (volume of the alleged right rectangular prism) </span>
divided by
               (1/64 cubic inch)
<span>=  </span>(64) times (volume of the rumored right rectangular prism)<span> .</span>
4 0
3 years ago
Which is an equation of the line that
Alex Ar [27]
Answer; D) y=-3x+13
4 0
3 years ago
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