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3 years ago

13

Mrs. duggal teaches 25 students. out of these 25 students, 16% wear glasses. this grid represents the 25 students in mrs. duggal

's class.

1 answer:

Harman [31]3 years ago

8 0

4 people wear glasses and there is no grid

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Write an equation of the line that has a slope of -5 and a y- intercept of 4 in a slope intercept form.

Anastasy [175]

Answer:

y=-5x+4

Step-by-step explanation:

7 0

3 years ago

Valentin [98]

Answer:

4.229

Step-by-step explanation:

75 = 4(2)^x

75/4 = 2^x

Apply ln both sides

ln(75/4) = ln(2^x)

ln(75/4) = x ln(2)

x = ln(75/4) ÷ ln(2)

x = 4.22881869

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2 years ago

How many ways are there to choose 6 items from 10 dis- tinct items when?

NemiM [27]

Assuming the order doesn't matter it would be 10c6 = 210 ways

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3 years ago

-3x - 3y = 3 <br> y= -5x - 17

Kruka [31]

you first plug (substitute) in y

-3x - 3(-5x-17)=3

then distribute

-3x+15x+51=3

now combine like terms

12x+51=3

subtract to get 12x by itself

12x=3-51 or 12x=-48

lastly divide by 12 to find x

12x/12=-48/12

x=-4

now find y by plugging x into the other equation

y=-5(-4)-17

y=3

(-4,3)

4 0

3 years ago

If c (x) = StartFraction 5 Over x minus 2 EndFraction and d(x) = x + 3, what is the domain of (cd)(x)?

Volgvan

Answer:

The domain of the function (cd)(x) will be all real values of x except x = 2.

Step-by-step explanation:

The two functions are $c(x) = \frac{5}{x - 2}$ and d(x) = x + 3

So, (cd)(x) = $(\frac{5}{x - 2})(x + 3) = \frac{5(x + 3)}{x - 2}$

Then, for x = 2 the function (cd)(x) will be undefined as zero in the denominator will make the function (cd)(x) undefined.

Therefore, the domain of the function (cd)(x) will be all real values of x except x = 2. (Answer)

8 0

3 years ago

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