Which expression represents the employees take home pay after deductions

Mathematics

1 answer:

Juliette [100K]3 years ago

7 0

The expression 0.15(x-350) would be the proper equation.

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Find the equation of the axis of symmetry and the coordinates of the vertex of the graph of y=4x^2+5x-1

Ivanshal [37]

Answer:

Axis of symmetry: $x=-\frac{5}{8}$

Vertex: $(-\frac{5}{8},-2\frac{9}{16})$

Step-by-step explanation:

The given quadratic equation is

$y=4x^2+5x-1$

By comparing to the general quadratic function; $y=ax^2+bx+c$

We have a=4,b=5,c=-1

The equation of the axis of symmetry is given by the formula;

$x=-\frac{b}{2a}$

We got this formula by completing the square on the general quadratic function.

We substitute a=4 and b=5 to obtain;

$x=-\frac{5}{2(4)}$

$x=-\frac{5}{8}$
is the axis of symmetry.

To find the y-value of the vertex, we put $x=-\frac{5}{8}$ into the function to obtain;

$y=4(-\frac{5}{8})^2+5(-\frac{5}{8})-1$

$y=4(-\frac{5}{8})^2+5(-\frac{5}{8})-1$

$y=-\frac{41}{16}$

The vertex of the given function is $(-\frac{5}{8},-2\frac{9}{16})$

4 0

3 years ago

Diana invested $3000 in a savings account for 3 years. She earned $450 in interest over that time period. What interest rate did

shutvik [7]

Easy 450=3000*3*r R=450/9000 R=0.05*100 R=5%

5 0

3 years ago

A car can travel 3/4 of a mile in 1/30 of an hour. What is the car’s speed in miles per hour?

IceJOKER [234]

Answer:

3.0 Miles per hour

Step-by-step explanation:

https://www.countcalculate.com/cars-and-speed/average-speed/result?r=jfqffaktat

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3 years ago

What is the decimal equivalent of ⅞? * 4 points 0.780 0.870 0.875 0.885

Lubov Fominskaja [6]

Answer: 0.875

Step-by-step explanation: How I got this answer is I used Division, (7 ÷ 8= 0.875)

Hope this helps, Have a great day/night!

~IFoundJiminsLostJams~

4 0

3 years ago

Read 2 more answers

10/17 = d/51 solve for D

BabaBlast [244]

The answer is 30. You just multiply 51 by (10/17)

4 0

3 years ago