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Katarina [22]
2 years ago
9

I'm stuck on b, I've tried many methods but nothing seems to work (please help this is due in 3 hours)​

Mathematics
2 answers:
Nonamiya [84]2 years ago
3 0
The scale factor is 1.2x
olga nikolaevna [1]2 years ago
3 0

Answer:

6/5

Step-by-step explanation:

An easy way to do this is see how the scale factor from a to b is 5/6? all you have to do is reverse those numbers! Hope this helps

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Solve the simultaneous equations
Contact [7]

Answer:

The solution for given system of equations is: x = 6 and y = 3

Or

(6,3)

Step-by-step explanation:

Given equations are:

3x+4y=30\ \ \ Eqn\ 1\\3x-y=15\ \ \ \ Eqn\ 2

There are three methods to solve simultaneous equations

  1. Elimination
  2. Substitution
  3. Co-efficient method

We will use the elimination method as the coefficients of x in both equations are already same

Subtracting equation 2 from equation 1

3x+4y - (3x-y) = 30-15\\3x+4y-3x+y = 15\\5y = 15\\\frac{5y}{5} = \frac{15}{5}\\y = 3

Putting y = 3 in equation 2

3x-3 = 15\\3x = 15+3\\3x = 18\\\frac{3x}{3} = \frac{18}{3}\\x =  6

Hence,

The solution for given system of equations is: x = 6 and y = 3

Or

(6,3)

7 0
3 years ago
Which one is more precise 7m ; 7.7m
gayaneshka [121]
7.7m is more precise because it has a decimal after it
8 0
3 years ago
Read 2 more answers
Expand the expression 1/2(3 + 4t - 10)
Vinil7 [7]

Answer: 2t-3.5

Step-by-step explanation:

You multiply the numbers inside parentheses by 1/2.

Then you simplify.

5 0
3 years ago
Which expression is equivalent to 30 + 8?
brilliants [131]

Answer:

38

Step-by-step explanation:

7 0
2 years ago
The correct <br> Answer 1048576
Slav-nsk [51]

Answer:

1048576 is correct!

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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