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ira [324]
3 years ago
15

A teacher takes a random sample of 100 students enrolled at Springfield High School and asks them their opinions about the food

served in the school cafeteria. The population of students here is __________________.
A. all high school students in the world

B. the 100 students who are asked questions

C. all students enrolled at Springfield High School

D. all high school students in the country
Mathematics
1 answer:
Reil [10]3 years ago
8 0

The answer is C. All students enrolled at Springfield high school.

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Calculate the surface area of a triangular prism. It has an isosceles triangle face with a base of 4 m and a height of 3 m. The
son4ous [18]

Answer:

48 + 18√13 cm²

Step-by-step explanation:

HC = BC/2 = 4m/2 = 2 m

AC = √AH² + HC² = √9 + 4 = √13

A = 2×A(ABC) + 2×A(ACFD) + A(BCFE)

= 2×AH×BC/2 + 2×AC×CF + BC×CF

= 2×3×4/2 + 2×√13×9 + 4×9

=12 + 18√13 + 36

= 48 + 18√13 cm²

4 0
3 years ago
Jenny spends $1.15 a day for lunch. Her cafeteria lunch account has a balance of $36.80. Write an equation that can be used to d
ExtremeBDS [4]

Answer:

Balance Divided By Lunch Cost

Step-by-step explanation:

Divide $36.80 by $1.15 to receive the answer 32. She can eat for 32 days.

4 0
3 years ago
How can help me pls I need help
dolphi86 [110]

Answer:

\lim_{x \to 2^-} x^3=2^3=\boxed8\\  \lim_{x \to 2^+} 3x-4=3\cdot 2-4=6-4=\boxed2

\lim_{x \to 2} f(x) does not exist

Step-by-step explanation:

Inserting 2 to both formulas, you get different results. In that cases, a limit does not exist

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3 years ago
~~HELP NEEDED NOW~~ ~~BE MY HERO!!~~
Natalka [10]
The population was 5,000 five hours ago!!
5 0
3 years ago
Add the integers.<br><br> 1. -2 +(-5)<br><br> 2. -2 +(-2)<br><br> 3. -13 +9
Maru [420]
-7 because when it’s +(-) it’s always the same as the outside sign
-4 same thing explained above
-4

hope this helps
7 0
3 years ago
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