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adell [148]
3 years ago
15

Jim wants to conduct a survey of U.S. teens aged 13 - 15 to find out what songs are their favorites. To do this, he does a rando

m survey of 300 teens aged 12 - 15.
Which of the following correctly describes his sample?
This method of sampling is neither biased nor unbiased.
This method of sampling is unbiased.
This method of sampling can be considered both biased and unbiased.
This method of sampling is biased.
Mathematics
1 answer:
just olya [345]3 years ago
4 0
C is the correct answer. The method of sampling can be considered both biased & unbiased
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Tyler went to the super market to buy food for a pantry. He has $36, and can carry up to 20pounds of food in his backpack. One p
AleksAgata [21]

This question is incomplete

Complete Question

Tyler went to the supermarket to buy food for a food pantry. He has $36, and can carry up to 20 pounds of food in his backpack. Pasta costs $1 for a 1-pound package. Pasta sauce costs $3 for a 1.5 pound jar. Let x = the number of packages of pasta and y = the number of jars of pasta sauce. One package of pasta is the right amount to go with one jar of pasta sauce. What is the best numbers of packages of pasta and jars of pasta sauce to buy for the food pantry? Explain your reasoning.

Answer:

Eight is the best numbers of packages of pasta and jars of pasta sauce to buy for the food pantry.

Step-by-step explanation:

Let

x = the number of packages of pasta

y = the number of jars of pasta sauce.

He has $36, and can carry up to 20 pounds of food in his backpack. Pasta costs $1 for a 1-pound package. Pasta sauce costs $3 for a 1.5 pound jar.

x + 1.5y ≤ 20....... Equation 1

x = 20 - 1.5y

x × $1 + y × $3 = $36

x + 3y ≤ 36..... Equation 2

20 - 1.5y + 3y = 36

-1.5y + 3y = 36 - 20

1.5y = 16

y = 16/1.5

y = 8

And x = 8

Therefore,

Eight is the best numbers of packages of pasta and jars of pasta sauce to buy for the food pantry.

6 0
3 years ago
What is the area of the figure?
aniked [119]
See attached picture:

7 0
3 years ago
Emily says she can prove the Pythagorean Theorem using the following diagram. She explains that she can divide the squares on th
Sindrei [870]

Answer:

Yes, because there are 9 grid squares on one side, 16 grid squares on the other side, and 25 grid squares on the hypotenuse, and 9 + 16 = 25.

<3

4 0
3 years ago
Can somebody help me... plsssss
NeX [460]
X > -8
The line would be on -8 going to the left, the circle would not be shaded
7 0
3 years ago
Read 2 more answers
I’m trying to figure out what the answer is to these questions?
hram777 [196]
To find corresponding angles and sides, you look at the name of the figure and see which one correlates.

QUESTION 6
ABC and DEF
Corresponding Angles-
A,D
B,E
C,F
Corresponding Sides-
AB, DE
BC, EF
AC, DF

QUESTION 7
FGHI and KLMN
Corresponding angles-
F,K
G,L
H,M
I,N
Corresponding Sides-
FG,KL
GH,LM
HI,MN
FI,KN

8-
x=12

9-
y= 25.6

10-
z= 23 1/3

11-
36=k
6 0
3 years ago
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