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Marizza181 [45]
3 years ago
9

there are 800 students at weaver middle school. to determine which mascot name is preferred by the students at the school, each

of the 30 teachers surveyed their two top-scoring students. would this be an appropriate sampling technique for the school to use?
Mathematics
1 answer:
daser333 [38]3 years ago
3 0

Answer:

This would not be an appropriate sampling technique because it is biased and it would not be fair for 60 students to choose a mascot for a school with 800 students.

Step-by-step explanation:

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PLEASE HELP ME!! I need you to solve this inequality.<br> 2/3x - 1/5 &gt; 1
Verizon [17]

Answer:

If you are trying to solve the inequality for "x" Then your answer is, <u><em>"x>9/5" </em></u>That is the inequality form. If you are looking for the interval notation form then your answer is <u><em>"9/5, infinity" </em></u>

Step-by-step explanation:

I have checked my answers against an online Algebra solver. So my answers are 100% correct.

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7 0
3 years ago
in triangle ABC shown below, L is the midpoint of BC, M is the midpoint of AB, and N is the midpoint of AC. Find the perimeter o
alexdok [17]

35

since m and n are the midpoints of ab and ac resistively

then ,bc=2mn=16

since m and l are the midpoints of ba and bc respectively

then, ac =2mn =10

then,nc =1/2 × 10 =5

similary, mb=6

then ,perimeter=nc+mb+mn+bc=5+6+8+16=35

6 0
3 years ago
At a bargain store, Tanya bought 3 items that each cost the same amount. Tony bought 4 items that each cost the same amount, but
babunello [35]
If x is the amount that Tanya paid for each item, then Tony's items would be x-2.25. So:
3x=4(x-2.25)

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3 0
3 years ago
Solve 4 + 2 sinx= 14-8 sinx for 0° ≤ x ≤ 180
Oduvanchick [21]
<h2>Answer:</h2>

<u>x= 90°</u>.

<h2>Step-by-step explanation:</h2>

<h3>1. Write the expression.</h3>

4 + 2 sin(x)= 14-8 sin(x)

<h3>2. Subtract "4" from both sides of the equation.</h3>

-4+4 + 2 sin(x)= 14-8 sin(x)-4\\ \\2 sin(x)= 10-8 sin(x)

<h3>3. Add "8sin(x)" to both sides of the equation.</h3>

2 sin(x)+8 sin(x)= 10-8 sin(x)+8 sin(x)\\ \\10 sin(x)= 10

<h3>4. Divide both sides by 10.</h3>

\frac{10 sin(x)}{10} = \frac{10}{10} \\ \\sin(x)=1

<h3>5. Apply the arcsin of sin^-1 to both sides of the equation.</h3>

arcsin(sin(x))=arcsin(1)\\ \\x=90

<h3>6. Conclude.</h3>

<u>x= 90°</u>.

3 0
2 years ago
Use the information in the table below to answer the following question.
larisa [96]

Answer:

Step-by-step explanation:

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6 0
3 years ago
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