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3 years ago

I need help choosing which two equations tool el to find the individual massses of A and B

Mathematics

1 answer:

sineoko [7]3 years ago

3 0

Answer:

Step-by-step explanation:

The third one :

a is twice the mass of b so a=2b
b and 2a combined equal 45

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Quota sampling is most commonly used in a. descriptive research. b. collecting primary data. c. surveys. d. population research.

3241004551 [841]

Answer:

Quota sampling method is a non-probability sampling and it can be defined as a sampling method of gathering representative data from a group. Application of quota sampling ensures that sample group represents certain characteristics of the population chosen by the researcher

Step-by-step explanation:

7 0

3 years ago

2 * 3 - 2y equals 5

bearhunter [10]

Answer:

5.5

Step-by-step explanation:

2 times 3 is 6 then but to the other side so plus 6 then You have 2y=11

then you dived it by two so 11 dived by 2 and you get 5.5

3 0

3 years ago

A) 172 b) 192 C) 212 D) 232

tigry1 [53]

Answer:

212

Step-by-step explanation:

volume of new figure = sum of the two individual figures

volume of one cuboid=l*b*h

volume of first cuboid=92

volume of second cuboid=120

sum of two figures=212

hope this helps

plzz mark me brainliest

8 0

3 years ago

Read 2 more answers

4. Use the Distributive Property to Simplify: 3(5y + 9)

Darina [25.2K]

That’s the work and the answers

7 0

3 years ago

Grandma baked 969696 cookies and gave them to her grandchildren. One of the grandchildren, Cindy, received ccc fewer cookies tha

Angelina_Jolie [31]

The total number of cookies baked by grandma = 96

Number of grandchildren = 8

As given, all cookies were evenly divided among 8 children, let us assume that everyone except Cindy got equal share. So on being divided equally, it becomes, $\frac{96}{8}=12$ cookies per children.

But, as mentioned that Cindy received 'c' cookies less, so let us suppose Cindy received 'x' cookies.

Expression becomes: $x=12-c$

Hence, Cindy received 12-c cookies.

6 0

2 years ago