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Rom4ik [11]
2 years ago
14

Solve the system of equations

Mathematics
1 answer:
DanielleElmas [232]2 years ago
4 0

Answer:

<em>4x-3y=8</em>

<em>Simplifies to x=3/4y+2</em>

2x+5y=-9

Simplifies to -5/2y+-9/2

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What are the vertices of AA'B'C'if AABC is dilated by a scale factor of 4?
ss7ja [257]

Answer:

B

Step-by-step explanation:

Assuming the dilatation is centred at the origin, then multiply each of the coordinates by 4 , that is

A (0, 10 ) → A' (4(0), 4(10) ) → A' (0, 40 )

B (8, 6 ) → B' (4(8), 4(6) ) → B' (32, 24 )

C (4, 2 ) → C' (4(4), 4(2) ) → C' (16, 8 )

6 0
3 years ago
In a telephone poll, 4 people said that they liked shopping and 10 people said that they don’t like shopping. What is the ratio
Effectus [21]

Answer:

4:10 in simplest form 2:5

Step-by-step explanation:

hope this helps

6 0
3 years ago
Read 2 more answers
In the diagram below, DE is parallel to XY What is the value of y?
Lostsunrise [7]
The answer is b . 86
4 0
3 years ago
The difference between a number b and 7.4 is -6.8
Lera25 [3.4K]

Hello from MrBillDoesMath!

Answer:

b = 0.6


Discussion:

The question can be written as

b - 7.4 = -6.8  =>           (now add 7.4 to each side)

b - 7.4 + 7.4 = -6.8 + 7.4 =>       ( note: -7.4 + 7.4 = 0)

b = 0.6

Thank you,

MrB


3 0
3 years ago
Kyle sells used cars. He is paid $14/hour plus and 8% commission on sales. What dollar amount of car sales must Kyle make to ear
Kazeer [188]
First we have to find how much Kyle earned taking to consideration only 38h at work
So 38*14$=532$ 
Now, to find commission bonus we have to 1200-532=668
Finally, we can find what dollar amount of car Kyle must sell.
We know that 668 is 8% of that number. We can use proportion and cross multiplying, so:
8% ----------- 668
100% --------x
x= \frac{100*668}{8}=8350$ - its the result.
3 0
3 years ago
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