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Sloan [31]
3 years ago
7

What is the solution to 4y-6y 9y=-2

Mathematics
2 answers:
Misha Larkins [42]3 years ago
8 0
4y - 6y + 9y = -2
7y = -2
y = -2/7
aliya0001 [1]3 years ago
8 0

Answer:-2/7

Step-by-step explanation:

I’ve already taken the quiz

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Find / or<br> Find1/8of1/9
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1/72

Step-by-step explanation:

1/8 of 1/9

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If the area of the rectangle avove is 180 spuare inches, then x =
oksano4ka [1.4K]

Given the dimension of the length and area of the rectangle, the dimension of the breadth x is 9in.

Hence, option A is the correct answer.

This question is incomplete, the missing diagram is uploaded along this answer below.

<h3>What is the value of x?</h3>

Area of a rectangle is expressed as; A = l × b

Given that;

  • Length of the rectangle l = 20in
  • Breadth b = x
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A = l × b

180in² = 20in × x

x = 180in² / 20in

x = 9in

Given the dimension of the length and area of the rectangle, the dimension of the breadth x is 9in.

Hence, option A is the correct answer.

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4 0
2 years ago
Suppose a researcher is testing a new vaccine on mice to see how well it prevents the flu virus. The lab has 1000 mice available
AfilCa [17]

Solution :

Sampling may be defined as the technique of selecting the individual members or the subset of the population to make a statistical inferences and estimates the characteristics of the entire population.

There are several sampling methods. This includes : Systematic sampling, clustered sampling, stratified sampling, quota sampling, judgement sampling, random sampling, convenience sampling and many more.

In the context, the sampling methods for each of the descriptions are :

a). The researcher use computer program to randomly choose a sample of 30 mice of the 1000 mice for using her study

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b). The researcher chose the 1st 30 mice as she can reach the door to the mouse room

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c). The mice those whose are kept in the cages on 10 various shelves in mouse room. The researcher or the experimenter chose the three mice from each shelve.

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d). Each of the cage have 5 mice and the researcher randomly chooses 6 cages for her study

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e). The researcher generates the list of the identification numbers which has been sorted from the smallest to the largest. The researcher randomly picks 1 mouse form the list and selects every 4 mouse until the researcher has 30 mice.

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7 0
3 years ago
Seven days ago, I put 60 jelly beans in a bowl. Now there are 4 jelly beans left.
enot [183]

Answer:

You ate 8 jellybeans a day

Step-by-step explanation:

60-4=56

56/7=8

6 0
3 years ago
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