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Aleksandr [31]
3 years ago
11

38 students were asked to report how many siblings they have - DATA: 8 has 0 siblings; 13 had 1 siblings; 12 had 2 siblings; 3 h

ad 3 siblings; 1 had 4 sibling; 0 had 5 siblings; 1 had 6 siblings -- based on the data, estimate the probability that a randomly selected student from the class is an only child
Mathematics
2 answers:
Volgvan3 years ago
8 0

Answer:

21%

Step-by-step explanation:

olga_2 [115]3 years ago
6 0
8 out of 38 percentage is 21% chance
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Division of 24/44 plz help me it's urgent​
Tamiku [17]

Answer:

the answer to this question is 0.5

8 0
3 years ago
With work please!!!<br><br> f(x) = -x^4 + 5x - 4x^2<br><br> (f (2))^2
marishachu [46]

Answer: 484

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

Work Shown:

First let's compute f(2). We replace every x with 2 and then use PEMDAS to simplify

f(x) = -x^4 + 5x - 4x^2

f(2) = -(2)^4 + 5(2) - 4(2)^2

f(2) = -16 + 5(2) - 4(4)

f(2) = -16 + 10 - 16

f(2) = -6 - 16

f(2) = -22

Then we square this result to find the value of [ f(2) ]^2

f(2) = -22\\\\\left[ f(2) \right]^2 = [ -22 ]^2\\\\\left[ f(2) \right]^2 = 484

6 0
3 years ago
-12x - 12y = 4 3x + 3y = 0
Svetradugi [14.3K]

Answer:

no Solution

Step-by-step explanation:

-12x-12y=4\\ 3x+3y=0

12x-12y=4

add 12y to both sides

12x-12y+12y=4+12y

divid both sides by -12

\frac{-12x}{-12}=\frac{4}{-12}+\frac{12y}{-12}

simplfy

x=-\frac{1+3y}{3}

\mathrm{Substitute\:}x=-\frac{1+3y}{3}

\begin{bmatrix}3\left(-\frac{1+3y}{3}\right)+3y=0\end{bmatrix}

\begin{bmatrix}-1=0\end{bmatrix}

7 0
3 years ago
Graph: y-3=1/2 (x+2)
andrey2020 [161]
Here, use the app photomath.

7 0
4 years ago
Read 2 more answers
Rectangle poster is 3 times as long as wide perimeter is 24 in
Alexxandr [17]

w= width

l = 3w

P = 2(l+w)

substitute

24 = 2(3w+w)

24 = 2(4w)

24 =8w

3 =w

The width is 3 inches

the length is 9 inches

3 0
3 years ago
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