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lord [1]
2 years ago
12

It has been found that 85.6% of all enrolled college

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
6 0

Answer:

it has been found that 85.6% of all enrolled college and university students in the U.S. are undergraduates. A random sample of 500 enrolled college students in a particular state revealed that 420 of them were undergraduates. Is there sufficient evidence to conclude that the population differs from the national percentages? Use a = 0.05

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What is the domain of the function shown in the mapping?
DerKrebs [107]

Answer:

x verse y on the map

Step-by-step explanation:

It shows what the x and the y cordinates are

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2 years ago
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Solve, (x+4)(x+1)=x–(x–2)(2–x)
katen-ka-za [31]

Answer:

Step-by-step explanation:

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2 years ago
How many soulutions does the system of equations have x-3y=15. and 3x-9y=45
Irina-Kira [14]

Answer:

<h2>Infinitely many solutions</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}x-3y=15\\3x-9y=45\end{array}\right\\\\\text{Divide both sides of the second equation by 3}\\\\\dfrac{3x}{3}-\dfrac{9y}{3}=\dfrac{45}{3}\\\\x-3y=15\\\\\text{We received the same equation as the first.}\\\\\bold{CONCLUSION}\\\\\text{The system of equations has infinitely many solutions.}

\left\{\begin{array}{ccc}a_1x+b_1y=c_1\\a_2x+b_2x=c_2\end{array}\right\\\\\text{If}\ a_1=a_2,\ b_2=b_2,\ c_1=c_2,\ \text{then the system of equations}\\\text{ has infinitely many solutions}\\\\\text{If}\ a_1=a_2,\ b_1=b_2,\ c_1\neq c_2,\ \text{then the system of equations}\\\text{has no solutions}\\\\\text{Other the system of equations has one solution.}

5 0
3 years ago
What is x+2=4<br> what is x?
OleMash [197]

Answer:

x=2

Step-by-step explanation:

4-2=x

4-2=2

x=2

5 0
2 years ago
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A cylinder has a base radius of 10in and a height of 20in. What is its volume in cubic in, to the nearest tenths place?
irina1246 [14]

Answer:

6283.2

Step-by-step explanation:

V=\pi r^{2} h

==\pi *10^{2} *20

=6283.18531

=6283.2(correct to the tenths place)

5 0
2 years ago
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