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WINSTONCH [101]
2 years ago
10

100 PLZ HELP NO LINK AND IF YOU GUESS YOU GET REPORTED

Mathematics
1 answer:
Vika [28.1K]2 years ago
6 0
The answer should be (-1/3,3/4) if I did the math correct
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if there are 170 students in 12th grade, what percentage of the twelfth grade students have more than one college in mind
Varvara68 [4.7K]
The answer is 31 because the ones that have two colleges is 27 and the ones  that have three colleges or more is 23. And if there is 170students you would add the 23+27=53 and divide that by 170.
53/170=31
5 0
3 years ago
Taryn and lanny were each asked to represent 75% of $1.00
sergejj [24]

Answer:

75 percent of a dollar is 75 cents so were they each asked to represent that much?

Step-by-step explanation:

sorry confusing question

6 0
2 years ago
Read 2 more answers
Does anyone know how to solve this?
erik [133]

Answer:

A point in polar coordinates is written as (R, θ)

If we want to transform this point to rectangular coordinates, we get:

x = R*cos(θ)

y = R*sin(θ)

Now we can remember that the sine and cosine functions have a period of 2*pi, then:

cos(θ) = cos(θ + 2*pi)

or:

cos(θ) = cos(θ + 2*pi + 2*pi)

and so on.

Then the point (R, θ) is the same as (R, θ + 2*pi) and (R, θ + k*(2*pi))

where k can be any integer number.

Then if we have a point in polar coordinates:

(-4, -5*π/3)

Then another two polar representations of this point are:

(-4, -5*π/3 + 2*π) = (-4, -5*π/3 + 6*π/3) = (-4, π/3)

Now we can not add 2*π (nor subtract) because we would have an angle outside the range [-2*π, 2*π]

For example, if we have:

(-4, π/3 + 2*π) = (-4, 7*π/3)

And we can not change the value of the radius and get the coordinates for the same point.

So another representation could be something like:

(-8/2, π/3)

Where i just wrote -4 in another way.

Now, a really important point.

When working with polar coordinates, we always use R as a positive number (here you can see that R is negative) so this is not the standard notation for the polar representation of a point.

8 0
3 years ago
Charles has been assigned several chores around the house. He washes the supper dishes every fifth day, he takes out the trash e
EleoNora [17]
2 times a month is how much he does it
6 0
3 years ago
At the beginning of the day the stock market goes up 30 1/2 points. At the end of the day, the stock market goes down 100 3/4 po
Akimi4 [234]
Well, is namely their difference, so, let's first convert the mixed fractions to "improper", and subtract.

\bf \stackrel{mixed}{30\frac{1}{2}}\implies \cfrac{30\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{61}{2}}
\\\\\\
\stackrel{mixed}{100\frac{3}{4}}\implies \cfrac{100\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{403}{4}}\\\\
-------------------------------\\\\
\cfrac{61}{2}-\cfrac{403}{4}\impliedby \textit{so our \underline{LCD is 4}}\implies \cfrac{(2\cdot 61)~-~(1\cdot 403)}{4}
\\\\\\
\cfrac{122-403}{4}\implies \cfrac{-281}{4}\implies -70\frac{1}{4}
5 0
3 years ago
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