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stepan [7]
2 years ago
9

Laura brought a new set of headphones for $4.45 and a video game for 9.55. if she paid with a $20 bill, how much change did she

get from her purchase?​
Mathematics
1 answer:
Aliun [14]2 years ago
6 0

Answer:

first we should add both purchase price

$4.45 + $9.55 = $14

so that

$20 - $14

=$6

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EleoNora [17]

[Note that you don't have to evaluate k to solve the problem]

x = \frac{kuv}{(u+v)}

That means that

x \frac{(u+v)}{(uv)} = k, a \: constant

So, you want xsuch that

x \frac{(3+3)}{(3 \times 3)} = 3 \frac{(3+1)}{(3 \times 1)}

x=6

4 0
2 years ago
I need help with this math question
Mkey [24]
M2 = 127
m7= 127
m8= 53
5 0
2 years ago
-4(9z -2)<br> hurrryyyyyyyyyyyyyyyyyyyyyyy
Sergio039 [100]
We will use the distributive property. -4 times 9z=-36z -4 times -2=8 so we have -36z+8 as our answer 
5 0
3 years ago
Read 2 more answers
The graph of the sequence would have <br> (check image)
DanielleElmas [232]
<h3>Answer: D) common ratio</h3>

Explanation:

The four points on this curve are

(1, 3) ,  (2, 6),  (3, 12) ,  (4, 24)

The equation of the curve that goes through all the points mentioned is

y = 3*2^(x-1) which is equivalent to y = 1.5*2^x

Both equations are exponential equations.

Sequences of the form

a(n) = a*(r)^(n-1)

are geometric sequences with common ratio r. In this case, r = 2.

Note how the jump from 3 to 6 is "times 2", so is from 6 to 12, and from 12 to 24. We multiply each term by 2 to get the next one.

7 0
2 years ago
I really need help with this<br> I think its Igneous Rock but I'm not so sure...<br> THANKS
dimaraw [331]

Answer:

That is igneous

Step-by-step explanation:

7 0
3 years ago
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