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nevsk [136]
3 years ago
7

Number opposite

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

Answer:27

Step-by-step explanation:

27-8=19

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One number is -3 times the first number. The sum of the numbers is -4. What is the second number?
kobusy [5.1K]
Lets say that the first number is x and the second number is y.
from the question we know that:
y=-3x and x+y=-4
from there, you need to replace the y in the second equation with -3x since we know that is what y equals so we can have an equation with only one variable.
x+-3x+-4
Then you solve for x.
-2x=-4
x=2
then you find y with the fact that y=-3x
y=-6
6 0
3 years ago
What is the slope and y intercept of the points 0,12 and 25,0
goblinko [34]

Answer:

35 ok

Step-by-step explanation:

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4 0
3 years ago
PLEASE HELP- Vanessa earns a base salary of $400.00 every week with an additional 5% commission on everything she sells. Vanessa
matrenka [14]
The commission is 5% on everything she sells
If she sold $1650.00
First you have to find her commission
100%=1650
5%=x
100•x=1650•5
100•x=8250
—— ———
100 100
x=82.5(this is her commission)
Now you have to add $82.5 to total she earns in the week.
$400.00+ $82.5 = $482.5
The Vanessa’s total pay last week was $482.5
7 0
3 years ago
What is the correct inverse function for f(x) = e2x ?
Lena [83]
To solve this problem you must appy the proccedure shown below:

 1. You have the following function given in the problem above:

 f(x)=e^2x

 2. You can rewrite is:

 y=e^2x

 3. Interchange the variables, as below:

 x=e^2y

 3. The inverse of an exponential function is the logarithm function. Thereforem you have:

 ln(x)=ln(e^2y)
 ln(x)=2y

 4.Then, you have:

 y=ln(x)/2

 Therefore, the answer is: 

 f^-1(x)=ln(x)/2
 
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3 years ago
What is the equation of the line?
Georgia [21]
I am 95% sure the answer is C

7 0
3 years ago
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