One aluminum can weighs about 1/25 lb. if your school starts a recycling drive, how many cans will your school me to collect to recycle one ton?

Answers

Answer 1

Answer: 1 ton=2000lb
total weight=2000
we want total weight=weight of cans
weight of cans=weight of 1 can times number of cans
W of cans=1/25c

total weight=weight of cans
2000=1/25c
times 25/1 both sides
50000=c

50,000 cans

Answer 2

Answer: 50,000 cans
because if 1 can = 1/25 lb
the 25 cans = 1lb
and 1 ton =2,000lbs
so 25x2,000=50,000

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How can I solve this system of linear equations by substitution 3x-2y=9 and y=2x-7

Answers

y=2x-7
therfor we can SUBSITUTE 2x-7 for y whereever we see y in the other equation

3x-2(2x-7)=9
3x-4x+14=9
-x+14=9
minus 14 both sides
-x=-5
mulitly -1
x=5

sub back

y=2x-7
y=2(5)-7
y=10-7
y=3

(5,3)

Elena and Marcus jog after school each day. Oneday, Elena and Marcus jogged a total of 15 miles.
Elena jogged 1 mile more than Marcus. Use a graph
to find the number of miles each person jogged.

Answers

Answer:Marcus jogged 7 miles while Elena jogged 8 miles.

Step-by-step explanation:

x + (x+1) = 15

2x+1=15

putting like terms together we get:

2x=15-1

2x=14

hence

x=14/2 = 7miles

therefore we conclude that Marcus jogged 7 miles while Elena jogged 8 miles.

Noah wants to predict who will be selected as the sixth-grade treasurer for student council. Which of the following groups should Noah survey to make his prediction?A) The first 100 students from an alphabetical list of the entire school
B) The first 100 students from an alphabetical list of sixth graders
C) One hundred random students from the entire school
D) One hundred random students from the sixth grade

Answers

One hundred randomstudents from the sixth grade. Therefore, option D is the correct answer.

What is random sampling?

In statistics, a simple random sample is a subset of individuals chosen from a larger set in which a subset of individuals are chosen randomly, all with the same probability. It is a process of selecting a sample in a random way.

First off, the survey should be focused on the sixth graders, since they are the demographic that will be voting for 6th grade treasurer.

Next, the group should be random, because random groups better represent the entire class than an alphabetic list. Maybe those first 100 kids in the list like Noah because he has a last name that begins with A or something. It's not likely, but it's something that could corrupt the data collection.

Therefore, option D is the correct answer.

Learn more about the random sample here:

brainly.com/question/12719656.

#SPJ3

D) One hundred random students from the sixth grade
First off, the survey should be focused on the sixth graders, since they are the demographic that will be voting for 6th grade treasurer.

Next, the group should be random, because random groups better represent the entire class than an alphabetic list. Maybe those first 100 kids in the list like Noah because he has a last name that begins with A or something. It's not likely, but it's something that could corrupt the data collection.

Y - 11 = 3(x +4)

Write this In slope intercept form

Answers

Y=3x+15. You need to use distributive property and multiply 3 by x and by 4 which equals to 3x + 4 then add to both sides so it cancels out and gets y by itself and 11 + 4 = 14 so it comes out to be y=3x+15

Which ratio can be used to form a proportion with the given ratio? 7 to 12

A.
8 to 13

B.
10 to 15

C.
14 to 19

D.
21 to 36

Answers

7 / 12 = 0.583333333

Divide them all to see which one equals 0.583333333.

A.

8 / 13 = 0.615384615

B.

10 / 15 = 0.666666667

C.

14 / 19 = 0.736842105

D.

21 / 36 = 0.583333333

Therefore, your answer is D.

D.
If you multiply both numbers in the given proportion by 3, you get answer D:
7 x 3 = 21
12 x 3 = 36.
Because you can multiply both of the numbers in the given ratio by the same number (3) to get the ratio in answer D, they are a proportion.

a 14 ounce energy drink contains 10 1/2 teaspoons of sugar. How much sugar is in one ounce of the drink?