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STALIN [3.7K]
3 years ago
6

Chloe has a 20 gift card she uses the gift card to buy 10 music downloads for 0.89 each. she wants to use the gift card to buy a

12 digital movie does chloe have enough money on the gift card to buy a digital movie does chole have enogh money on the gift card to buy the digtal movie let d be the amount left, in dollars, on the gift card after m music downalds
The equation blank can be used to represent the sitition

chole has blank left on the gift card after buying the music downloads
chole blank enghoug money on the gift card to buy the movie.
Mathematics
2 answers:
Reil [10]3 years ago
6 0

Answer:

she spends 8.90 dollars for the music  

Step-by-step explanation:

you just multiply them

Ivahew [28]3 years ago
6 0
She spends 8.90 dollars for the music
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Can someone please help with this? I'll give brainliest. I don't understand this... or the explanation it gives... the page befo
tresset_1 [31]

Step-by-step explanation:

Hello!
I'd love to help you learn.
I see the formula attached is 4*(\frac{1}{2})^{x} =-2^{x}-1\\

This problem is explaining you to graph, since algebraically it's a little more harder to try and find the solution.

Since they're both equal to each other, we can assign a variable like y, so we can make them into two individual lines.

You can use your scientific calculator to graph lines like this, or otherwise there are online sources (Desmos helps alot!) which can graph two equations as so.

Now that we have the corresponding system of equations, we can graph both.

y=4*(\frac{1}{2})^x\\ y=-2^x-1
Let's graph them on Desmos on the same plane. The answers are attached. Red is the first equation, blue is the second.

What determines the solutions of a system of equations?

-No solution: the two lines will never intersect/does not intersect ever, which means that there are no set point where it satisfies both equations.

-One solution: the two lines intersect once and only once, meaning that there is that one set point where the x and y values both satisfy both equations.

-Multiple solutions: the two lines will intersect each other multiple times, meaning there are multiple set points where the x and y values satisfy both equations. You usually will not have to worry about these problem sets.

-Infinite solutions: the two lines are both the same line, which means every x and y value will satisfy both equations.

Looking at the solution attached, we can see that there are no places where a system of equations intersect, therefore ruling it that they have no solution.

And to answer your last question, an asymptote is a imaginary line in which a equation can approach closely and closely, but will never touch that imaginary line. Think of a line at y=\frac{1}{x}. When you graph it, you can see that the two lines never ever EVER intersect the y-axis, or x=0; giving that x=0 as a vertical asymptote.

5 0
2 years ago
What is 5 lb10 oz + 3 lb12 oz
yanalaym [24]

Answer:

9 lbs and 6 Oz

Step-by-step explanation:

10 + 12= 22

5+3= 8

1 lbs=16 oz

22-16=6

5+3+1=9

6 oz is left over

Hope this helps :)

4 0
3 years ago
Read 2 more answers
8) Monica spent $34 on brownies and cookies. We know brownies cost $2
Anna [14]
The answer is

2b + .75c = 34
3 0
3 years ago
Read 2 more answers
How to solve the problem 3.2d-4d=2.3d+3
Liula [17]
3.2d - 4d = 2.3d + 3...simplify by combining like terms
-0.8d = 2.3d + 3....subtract 2.3d from both sides
-0.8d - 2.3d = 3 ...simplify again
-3.1d = 3...divide both sides by -3.1
d = 3/ -3.1
d = - 0.97

or
3.2d - 4d = 2.3d + 3....multiply the equation by 10, gets rid of the decimals
32d - 40d = 23d + 30....subtract 23d from both sides
32d - 40d - 23d = 30....simplify
-31d = 30...divide by -31
d = -30/31
d = - 0.97
5 0
3 years ago
An alligator population in a naturer preserve in the Everglades increased by 60 alligators or five years what is the mean yearly
adelina 88 [10]
I'm not sure what you meant after alligators, if it was or or for, but I think it was for so I'm going with that. If 60 increase every 5 years, it would be 60 over 5 (in fractions). So I would do 60 divided by 5, which would be 12. So that means 12 increase every year. I'm not sure what mean meant either, if you're talking about the mathematical mean, but you can't solve the mean in this problem. The Answer: The yearly change in the alligator population would be 12.
7 0
3 years ago
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