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CaHeK987 [17]
2 years ago
7

I think it’s B. But I’m not sure If it’s not can someone explain why?

Mathematics
1 answer:
Zigmanuir [339]2 years ago
6 0

Answer:

C

Step-by-step explanation:

| x | > 10

Has solutions that go infinitely high to the right and infinitely low to the left on the number line.

That is x > 10 or x < - 10

This is indicated on Graph C

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Zamira and Courtney share a 16 oz box of cereal. By the end of the week, Zamira has eaten 38 of the box, and Courtney has eaten
12345 [234]

Answer:

12/25 ths of the box is left.

Step-by-step explanation:

I'm assuming you mean 14% and 38%

If so then the first thing you'd do is put 38 and fourteen over 100 such as:

38/100 and 14/100.  You do that because since its a percentage, its the same as the number of that percentage over 100.

Since you now have like terms, you can add them together, in which you add the two numerators (top row), but leaving the denominator (bottom row) the same, and it would give you:

52/100

What you want to do after that is simplify it. Once you simplify it, the simplified version of this is technically still the same as the non-simplified version, just easier to use.

Once you simplify it once, you will get:

26/50 and then if you simplify it again, you'll get 13/25

KEEP IN MIND that this is the amount that HAS BEEN EATEN ALREADY.

After that, you wan to subtract your part from your whole meaning you'd subtract: 25/25 - 13/25

Going back to earlier, you subtract the numerator and leave the denominator the same ONLY because they have like terms(The DENOMINATORS match)

After subtracting, you will get an answer of 12/25ths, which cannot be further simplified either.

Hope this helped!

4 0
3 years ago
Read and analyze the following then solve. <br>ASAP ASAP ASAP ASAP ASAP ASAP ASAP ​
Vaselesa [24]

☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾

<h3>JOH-EUN OHUEYO!!</h3>

(GOOD AFTERNOON)

➢

\frac{3}{6}  \times  \frac{1}{2}  =  \frac{1}{4}

➢

\frac{5}{7}  \times  \frac{3}{8}  =  \frac{15}{32}

➢

\frac{4}{8}  \times  \frac{1}{4}  =  \frac{1}{8}

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2 \frac{1}{2}  \times 3 \frac{2}{5}  = 8 \frac{1}{2}

➢

\frac{8}{14}  \times  \frac{1}{2}  =  \frac{2}{7}

➢

\frac{3}{4}  \div  \frac{1}{4}  = 3

➢

1 \frac{2}{3}  \div 2 \frac{3}{5}  =  \frac{25}{39}

➢

\frac{3}{9}  \div  \frac{2}{3}  =  \frac{1}{2}

➢

1 \frac{3}{7}  \div 2 \frac{1}{6}  =  \frac{60}{91}

➢

2 \frac{4}{5}  \div  \frac{3}{10}  = 9 \frac{1}{3}

☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾☆☾

3 0
3 years ago
Read 2 more answers
7) PG &amp; E have 12 linemen working Tuesdays in Placer County. They work in groups of 8. How many
BabaBlast [244]

Part A

Since order matters, we use the nPr permutation formula

We use n = 12 and r = 8

_{n}P_{r} = \frac{n!}{(n-r)!}\\\\_{12}P_{8} = \frac{12!}{(12-8)!}\\\\_{12}P_{8} = \frac{12!}{4!}\\\\_{12}P_{8} = \frac{12*11*10*9*8*7*6*5*4*3*2*1}{4*3*2*1}\\\\_{12}P_{8} = \frac{479,001,600}{24}\\\\_{12}P_{8} = 19,958,400\\\\

There are a little under 20 million different permutations.

<h3>Answer: 19,958,400</h3>

Side note: your teacher may not want you to type in the commas

============================================================

Part B

In this case, order doesn't matter. We could use the nCr combination formula like so.

_{n}C_{r} = \frac{n!}{r!(n-r)!}\\\\_{12}C_{8} = \frac{12!}{8!(12-8)!}\\\\_{12}C_{8} = \frac{12!}{4!}\\\\_{12}C_{8} = \frac{12*11*10*9*8!}{8!*4!}\\\\_{12}C_{8} = \frac{12*11*10*9}{4!} \ \text{ ... pair of 8! terms cancel}\\\\_{12}C_{8} = \frac{12*11*10*9}{4*3*2*1}\\\\_{12}C_{8} = \frac{11880}{24}\\\\_{12}C_{8} = 495\\\\

We have a much smaller number compared to last time because order isn't important. Consider a group of 3 people {A,B,C} and this group is identical to {C,B,A}. This idea applies to groups of any number.

-----------------

Another way we can compute the answer is to use the result from part A.

Recall that:

nCr = (nPr)/(r!)

If we know the permutation value, we simply divide by r! to get the combination value. In this case, we divide by r! = 8! = 8*7*6*5*4*3*2*1 = 40,320

So,

_{n}C_{r} = \frac{_{n}P_{r}}{r!}\\\\_{12}C_{8} = \frac{_{12}P_{8}}{8!}\\\\_{12}C_{8} = \frac{19,958,400}{40,320}\\\\_{12}C_{8} = 495\\\\

Not only is this shortcut fairly handy, but it's also interesting to see how the concepts of combinations and permutations connect to one another.

-----------------

<h3>Answer: 495</h3>
5 0
2 years ago
A line extending from the upper left to the lower right has this type of slope.​
stich3 [128]

Answer:

Well this would be a negative slope since it is going down.

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If two figures are similar their angles are
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Answer:

i really dont know

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