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nasty-shy [4]
3 years ago
15

X-4y=-22 solve for y

Mathematics
1 answer:
Arturiano [62]3 years ago
9 0
Add 4y to both sides of the equation:
x=4y-22
Now replace x in the equation:
(4y-22)-4y=-22
Distribute the negative sign:
-4y+22-4y=-22
Add common terms:
-8y+22=-22
Add 8y to both sides of the equation:
8y-22=22
Add 22 to both sides of the equation:
8y=44
Divide both sides by 8:
y=5.5
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A class of 12 girls and 14 boys is going to choose 3 students to represent them in student government. Allie suggested that the
Vikki [24]
<h2>Answer:</h2>

The method suggested by Bobby is better than Allie.

<h2>Step-by-step explanation:</h2>

A fair sample is a sample where each sample has an equal opportunity to get selected for any survey.

Here, in the given question, Allie suggested that the first 3 students to arrive in class the next day should be the representatives. This sample is not random or fair.

Whereas, Bobby suggested that each student roll 2 numbers cubes and the 3 students with the highest sum should be the representatives. This method is a fair method.

The method suggested by Bobby is better than Allie as every student will get an equal chance to perform and also has an equal chance to win and get a high sum.

8 0
3 years ago
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Answer:

D. 225

Step-by-step explanation:

4 0
3 years ago
in my fish tank the ratio of the redfish to bluefish is 3:5 there are 20 bluefish how many red fish are there
qwelly [4]
Let x be the number of red fish
3:5 = x:20
3/5 = x/20
(Cross method)
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There are 12 red fish in the fish tank.
7 0
3 years ago
Based on the table, what is Nick's rate?
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5 0
3 years ago
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5*9 (sqrt 10)^3= Help please
Nikitich [7]
Use BODMAS or BIDMAS (Brackets, over Indices, Division, Multiplication, Addition, the Subtraction, this tells you which order to do things in)

As you cant do √10 in the brackets you do the indices, so (√10)³
Split this up to make it easier
(√10)³= √10 x √10 x √10 = 10√10

You the multiply this by 9

9 x 10√10 = 90√10

then multiply by 5

5 x 90√10 = 450√10 = 1423.024947 (using calculator)
7 0
3 years ago
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