Dr.Sox paid $1580 for a new computer system. She also paid a 6.5 sales tax. How much was the tax? What was the total cost?

Answers

Answer 1

Answer: Total cost $1682.70
Tax = 102.70

1580 x 6.5% = 102.70

Answer 2

Answer: i believe the answer to this question is 10270 sorry if it is inccorect

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Consider the graph of f(x) = 2x 3 – 3x 2 – 14x. On a coordinate plane, a graph increases through (negative 2, 0) to (negative 1, 10), decreases through (0, 0) to (2, negative 24), and then increases through (3.5, 0) through (4, 20). Based on the graph, what is the solution to 2x 3 – 3x 2 ≥ 14x?
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My picture won’t upload. Can someone contact me on any social media, please! ASAP!

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Answer:

try it again and it might work

Step-by-step explanation:

that happened to me I just did it again and it worked

Express 53 = x as a logarithmic equation.

Answers

Answer:

$\log_5 x = 3$

Step-by-step explanation:

Using logarithmic rule:

$\log_b b^a = a$

Given the equation:

$5^3 = x$

Taking log with base 5 both sides we have;

$\log_5 5^3 = \log_5 x$

Apply the logarithmic rule:

$3 = \log_5 x$

$\log_5 x = 3$

Therefore, $5^3 = x$ as a logarithmic equation is, $\log_5 x = 3$

log5x=3 I think is the answer

I need to prove in words how I got my answer for, "Find the smallest number easily divisible by each counting number from 1 to 10." The answer is 2520, but I don't know how to explain how I got it. Can anyone give me a basic answer to this?

Answers

Try writing each equation from 1-10 that equal this number. That will prove it. Hope this helps!

In which situation would you opt for a car lease?A. You don't like to drive, and would prefer the services of a driver.
B. You want to buy a car, and keep it for a long period of time.
C. You like to change cars frequently without the hassles of selling and trading them.

Answers

There are several reasons why a person may opt for a car lease. The main reason is that a person may like to change frequently without the hassles of selling and trading them.

What multiplies to -240 and adds to 8

Answers

The answer is -12*20=-240 and add to 8. -12+20=8

-divide -240 \ 8= -30

How do you solve this problem using substitution and then check it?:y= -3x-2
2x+5y=16

Answers

You have to get a variable by itself like in here... Y is itself so in the other equation or we can say second one you just have to sub it in... Like

2x+5(-3x-2)=16
2x-15x-10=16
Now you just have to subtract 2 from 15, because of the same variable that is (x)
So -13x-10=16
Take 10 to the other side means add from the both sides, that will get you at
-13x=26
So now x= -2
Remember you added because it was -10 if it would be a positive 10 then you have to subtract it from both of the sides but since here it was negative so you just added them up
Hope i helped

We have the variable y so lets substitute
y=-3x-2
2x+5y=16

2x+5y=16
2x+5(-3x-2)=16
2x-15x-10=16
-13x=26
x=-2

y=-3x-2
=-3(-2)-2
=4

2x+5y=16
2(-2)+5(4)=16
-4+20=16
16=16

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