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NemiM [27]
3 years ago
5

Jim provides photos for two online sites: site A and site B. Site A pays $0.85 for every photo Jim provides. The amount in dolla

rs (y) site B pays as a function of the number of photos provided (x) is represented by the equation y = 0.40x. How much more was Jim paid at site A than at site B, if he provided five photos for each site? $1.15 $1.35 $2.15 $2.25
Mathematics
2 answers:
hram777 [196]3 years ago
8 0

Answer:

Hello! I think the answer is D: $2.25. Please correct me if i'm wrong.

Step-by-step explanation:

trapecia [35]3 years ago
7 0

Answer:

D: $2.25

Step-by-step explanation:

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(3x^3+4x^2)+(3x^3-4x^2-9x)
zysi [14]

Answer:3x • (2x2 - 3)

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  3 more similar replacement(s).

STEP

1

:

Equation at the end of step 1

 ((3•(x3))+(4•(x2)))+(((3•(x3))-22x2)-9x)

STEP  

2

:

Equation at the end of step

2

:

 ((3•(x3))+(4•(x2)))+((3x3-22x2)-9x)

STEP  

3

:

Equation at the end of step

3

:

 ((3 • (x3)) +  22x2) +  (3x3 - 4x2 - 9x)

STEP  

4

:

Equation at the end of step

4

:

 (3x3 +  22x2) +  (3x3 - 4x2 - 9x)

STEP

5

:

STEP

6

:

Pulling out like terms

6.1     Pull out like factors :

  6x3 - 9x  =   3x • (2x2 - 3)  

Trying to factor as a Difference of Squares:

6.2      Factoring:  2x2 - 3  

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check :  2  is not a square !!

Ruling : Binomial can not be factored as the

difference of two perfect squares

Final result :

 3x • (2x2 - 3)

5 0
3 years ago
PLEASE ANSWER THIS!!! IF DO, YOU ARE SMART!
Ratling [72]

Answer:

33.64

Step-by-step explanation:

4 0
3 years ago
Design a miniature green section
dimulka [17.4K]
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3 0
3 years ago
A box of colored crayons contains 9 distinct colors. In how many ways can 2 colors be chosen, assuming that the order of the col
shepuryov [24]

Answer:

36

Step-by-step explanation:

We can use combinations

9 choose 2 =

9!/(7!*2!) = (9*8)/2 = 36

3 0
3 years ago
Need help ASAP I’m about to go to sleep
Arlecino [84]

Answer:

A. $1852.50

Step-by-step explanation:

Principal amount= P=  $3, 900

Rate= r = 19% = 0.19

Time (in years) = t = 2.5

<u>Amount after 2.5 years (A)</u>

A = P(1+r t )

A = 3900 (1+ (0.19) 2.5)

A = 5,752.5

Total interest in 2.5 years  = A-P = 5752.5 - 3900 = 1852.50

3 0
3 years ago
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