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levacccp [35]
3 years ago
8

A new hard drive costs $225, plus $40 per hour for

Mathematics
1 answer:
allsm [11]3 years ago
5 0

Answer:

4 hours

Step-by-step explanation:

y= 40x +225

$385 money to spend - $225 that go for hard drive = $160

40* x can be maximum 160  so x= 160 /40= 4

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3x + y = – 7<br> Solve to find were the two point intercept
Tju [1.3M]

Answer:

<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
  • First we need to convert it into y=mx+c form

{:}\longrightarrow\sf 3x+y=-7

{:}\longrightarrow\sf y=-7-3x

  • Now create table using this
<h3><u>Table</u><u>:</u><u>-</u></h3>

\boxed{\begin{array}{|c|c|c|c|} x & 1 & (-1) & 0 \\ y & -10 & (-4) & -7 \end{array}}

Hence the intercepts are

\therefore\sf A (1,-10),B(-1,-4),C(0,-7)

3 0
3 years ago
A rectangle's length is three times its width. Let w denote the rectangle's width. What polynomial represents the rectangle's ar
Ket [755]
<span>A = l x w
Since 
l = 3w

Substitute the l with 3w
The formula will be

A = 3w + w
A = 4w

An example:
The given known values are: Length of 4 cm Width is unknown Perimeter is 34 cm Find the dimensions of the rectangle.   Since the geometric formula for perimeter is: </span>
P= 2 (l + w) 
L = 2w – 4 cm 
W =?   
Derivation and solution: 
34 = 2 (2w - 4) + 2w <span>
34 =  4w – 8 + 2w</span> 
42 = 6w 42/6 = w 
W = 7 cm   

34 = 2l + 2(7) 
34 = 2l + 14 
2l = 34 – 14 
2l = 20 
L = 20/2 
L = 10 cm<span> <span>
</span></span>

7 0
3 years ago
Five sixths of Forty two
Maslowich
Hello,

Five sixths of forty two is = 35.
7 0
3 years ago
Is the relationship shows by the data linear? If so, model the data with an equation.
Kipish [7]

Answer:

Yes, B

Step-by-step explanation:

Yes the data is linear because there is a constant rate of change.

For x or the input the rate of change is plus 2

For y or the output the rate of change is plus 4

y/x is your slope so 4/2=2

and the only equation with a slope of 2 is B


4 0
3 years ago
At 1pm there are 16 seagulls at 3pm there are 40 how many increased in 2 hours
Kobotan [32]

Answer:

24

Step-by-step explanation:

40-16=24   ( brainlist? ) and your welcome!

5 0
3 years ago
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