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Artyom0805 [142]
3 years ago
9

Adam bought three laptops for his office at a total cost $1,300. The shopkeeper tried to sell Adam some upgrades and accessories

that would have doubled the price of the first of the third laptop, increasing the total cost 2,400. Adam declined to buy the upgrades and accessories as he had already spent to a lot on the first laptop, in fact $100 more than second and third laptops. What are the original individual prices of the three laptop?
Mathematics
2 answers:
borishaifa [10]3 years ago
6 0
The first is 500 the second 2 are 400
Anastasy [175]3 years ago
4 0

Answer:

Option: A is the correct answer.

     A.  

        first laptop: $700

       second laptop: $400

         third laptop: $200

Step-by-step explanation:

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What is the y-intercept -x+5y=45
Karo-lina-s [1.5K]

To find the y-intercept, we can convert this to slope-intercept form, or replace the value of x with 0 and solve for y.

We'll do both first.

-x + 5y = 45

5y = 45

Divide both sides by 5.

y = 9


Now let's convert it to slope-intercept.

-x + 5y = 45

Add x to both sides.

5y = 45 + x

Divide both sides by 5.

y = 1/5x + 9

y = 9

<h3><u>The y-intercept of our line is 9.</u></h3>
3 0
3 years ago
What is the average rate of change of the function on the interval from x = 1 to x = 2?
neonofarm [45]

x=1 f = 10(5.5)(1) = 55

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110-55 = 55

2-1 =1

55/1 = 55

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6 0
3 years ago
What is the number for thirty-nine million five thousand in standard form
hammer [34]
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5 0
3 years ago
Determine a series of transformations that would map polygon ABCD onto polygon A’B’C’D’?
Natalija [7]

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7 0
3 years ago
Identify the zeros of the polynomial function N(x)=1/2 (x-1)(x+3).
zhannawk [14.2K]

Answer:

a:x=-3

c:x=1

Step-by-step explanation:

The zeros of a function are the values of x for which the value of the function f(x) becomes zero.

In this problem, we have the following function:

f(x)=\frac{1}{2}(x-1)(x+3)

Here we want to find the zeros of the function, i.e. the values of x for which

f(x)=0

In order to make f(x) equal to zero, either one of the factors (x-1) or (x+3) must be equal to zero.

Therefore, the two zeros can be found by requiring that:

1)

x-1=0\\\rightarrow x=+1

2)

x+3=0\\\rightarrow x=-3

So the correct options are

a:x=-3

c:x=1

6 0
3 years ago
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