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Alexeev081 [22]
3 years ago
8

How do you do this?

Mathematics
1 answer:
Alenkasestr [34]3 years ago
4 0

Answer:

by increasing the size ez

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A salesperson at a furniture store earns a 3% commission on all sales. How much commission does the salesperson earn on a $1400
GrogVix [38]

1400 * 0.03 = 42

 he earns $42.00

6 0
3 years ago
what is the equation of the quadratic function that passes through the points (0,-1),(1,0),and (2,-3)
Alexus [3.1K]

Answer:

-2x^2 + 3x -1

Step-by-step explanation:

y = ax^2 + bx + c

(0,-1):  

-1 = a(0)^2 + b(0) + c

-1 = 0 + 0 + c

-1 = c

(1,0):

0 = a(1)^2 + b(1) + c

0 = a + b + c

(2,-3):

-3 = a(2)^2 + b(2) + c

-3 = 4a + 2b + c

Replace c with -1

0 = a + b -1

1 = a + b

-3 = 4a + 2b -1

-2 = 4a + 2b

-1 = 2a + b

Solve:

2a + b = -1

-1a - b = -1

a = -2

2a + b = -1

-2a -2b = -2

-b = -3 divide both by -1:  b = 3

a = -2; b = 3; c = -1

y = ax^2 + bx + c or y = -2x^2 +3x -1

6 0
3 years ago
Can some one can do both​
patriot [66]
A) m=-3
B) n=-17
hope this helps x
would love to have brainliest if it is right :)
8 0
3 years ago
17 divided by 3 1/2 Other things ain't working right now so I'm using this.
romanna [79]
Here is your answer friend

6 0
2 years ago
Solve the system of equations.<br> ​ 7x−3y=20<br> y=5x−4<br> x=<br> y=<br> ​
Ksenya-84 [330]

Answer:

Step-by-step explanation:

substitute the value of y in the first equation.

7x-3(5x-4)=20

7x-15x+12=20

-8x=20-12

x=8/-8

x= -1

then you substitute the value of x on the y equation to find y

y=5×-1 -4

y= -5-4

y= -9

5 0
3 years ago
Read 2 more answers
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