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Brrunno [24]
2 years ago
10

A middle school principal wants to change the lunch menu. The principal surveys the students to determine how the students would

feel about the change. What served method will produce the best repersentative sample
A)survey every 5th student who rides in a car to school
B)survey 3 randomly selected students from every homeroom
C) survey every 10 7th grade student during lunch
D) survey 5 randomly selected students
Mathematics
1 answer:
guapka [62]2 years ago
3 0

Answer:

B

Step-by-step explanation:

B is the best answer because it's a lot of students and unbiased

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Cameron and Cadena go out to eat for lunch. If their food and beverages cost $22.50 and there is a 9% meals tax. If Cameron and
valentinak56 [21]

Answer:

Total cost =28.575

Step-by-step explanation:

wev  are given

total Food cost=$22.50

cameron gave 9% meal tax of his total meal price

total meal price without tax is $22.50

9% of $22.50 will be

9% meal tax=22.50*9/100=2.025

he gave 18% tip of his total food cost without tax that is $22.50

18% of $22.50 will be

18% tip=22.50*18/100=4.05

for total meal cost we will add all costs and total cost will become

Total cost =22.50+2.025+4.05 =28.575

Answer=28.575

5 0
3 years ago
3x-6/x-2<br><br> Show your answer!!
zmey [24]
\frac{3x - 6}{x - 2} = \frac{3(x-2)}{x-2}  = 3
6 0
3 years ago
Solve the equation.<br> -5=x+3<br> Ox=3<br> Ox=-3<br> Ox=8<br> Ox=-8
weqwewe [10]
Answer:
x= -8

Explain:
You first have to make the variable by itself so you subtract 3 on both sides. The x is by itself and you finish by subtracting -5 to 3 and you get the answer x = -8

Hope this helps
3 0
2 years ago
Read 2 more answers
Alfred is taking a trip. He drove 150 mi and then stopped to refuel. He will drive 60 mph to finish his trip. Let x represent th
hodyreva [135]
Y = 60x +150

we put our ^0 mph as our Multiplier os x and since Alfred already traveled the 150 miles... that is just added on.
6 0
3 years ago
Use break apart method to find the product 26x5
iogann1982 [59]

26×5

|

20 6 = 26

×5 ×5

—— ——

100 + 30

130

4 0
2 years ago
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