MATHEMATICS HIGH SCHOOL

If 3(y-1) = y -5. y = ____________.

Answers

Answer 1
Answer:

Answer:

-1 is the answer

Step-by-step explanation:

the question is 3(y-1)=y-5

so, we open the bracets and multiply

so it becomes 3y-3 = y-5

now, we transpose

3y-y =-5+3

2y = -2

y= -2/2 = -1

Answer 2
Answer:

Answer:

y = -1

Step-by-step explanation:

3(y-1)=y-5\n\n3y-3=y-5\n\n3y-3+3=y-5+3\n\n3y=y-2\n\n3y-y=y-y-2\n\n2y=-2\n\n(2y=-2)/(2)\n\n\boxed{y=-1}

Hope this helps.

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Answers

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Answers

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a childrens book has dimensions 20cm by 24cm what scale factor should be used to make a enlarged version that has dimensions 25cm by 30cm

Answers

A scale factor of 1.25, also written as 1 1/4 should be used

Square root of 2(5 + square root of 8) is irrational and equal to what

Answers

Hello,
√2(5+√8)=5√2+√2*√8=4+5√2
===========================

Solve for x.


23=79(6x−36)+9

Answers

23=474x-2844+9
23=474x-2835
-474x=-2835-23
-474x=-2858
x=1429/237

23 = 79(6x - 36) + 9

Distribute 79 inside the parentheses.

23 = 474x - 2,844 + 9

Combine like terms.

23 = 474x - 2,835

Add 2,835 to both sides.

2,858 = 474x

Divide both sides by 474.

x = 2,858/474

Simplified by dividing both sides by 2: 1,429/237

Your answer is x = 1,429/237.

What number completes the pattern 107-98 90-83 77

Answers

So we want to know which number comes next in the series of numbers 107 98 90 83 77. First we find the pattern: 107-98=9, 98-90=8, 90-83=7, 83-77=6 so now we see that each number in the pattern is smaller by 1 than the previous number. so the next number will be 5 and 77-5=72 and that is the next number. Also the complete number series is: 72-4=68, 68-3=65, 65-2=63, 63-1=62 and finally 62-0= 62.
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