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DochEvi [55]
4 years ago
13

Brianna wants to buy a digital camera for a photography class. One store offers the camera for $47 down and a payment plan of $2

0 per month. The payment plan for a second store is described by y = 13x + 78, where y is the total cost in dollars and x is the number of months. Which camera is cheaper when the camera is paid off in 12 months? Complete the explanation.
Mathematics
2 answers:
denis-greek [22]4 years ago
5 0
1.67 because if you calculate allof it thats your answer
spin [16.1K]4 years ago
5 0
1.6 my child had the same exact question on her homework and I contacted the teacher and I got it
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Expand and simplify 3(3x-4) -2 (2x-1) please
murzikaleks [220]

Expand

9x - 12 - 4x + 2

Collect like terms

(9x - 4x) + (-12 + 2)

Simplify

<u>5x - 10</u>

3 0
4 years ago
The length of a rectangular deck is 3 more than 2 times the width. The perimeter of the deck is 48 feet. What is the width of th
Reptile [31]

The width of deck= x = 7 feet when perimeter is 48 feet and length is 17 feet

Step-by-step explanation:

Let width of rectangle = x

Let length of rectangle =3+2x

Perimeter of Rectangle = 48 feet

Width of rectangle = ?

The formula of perimeter is:

perimeter= 2(L+W)

Putting values of perimeter, length and width

perimeter=2(L+W)\\48=2(3+2x+x)\\48=2(3+3x)\\48=6+6x\\6x=48-6\\6x=42\\x=\frac{42}{6}\\x=7

So, the width of deck= x = 7

The length will be= 3+2x = 3+2(7) = 3+14 = 17

Keywords: perimeter of the rectangle

Learn more about perimeter of the rectangle at:

  • brainly.com/question/8902155
  • brainly.com/question/6594923
  • brainly.com/question/12985572 #learnwithBrainly
4 0
3 years ago
2(x – 3) – 5 = 4(x + 3) - 2x<br> solve the given equation
rewona [7]

2.(x - 3) - 5 = 4.(x + 3) - 2x

2x - 6 - 5 = 4x + 12 - 2x

2x - 4x + 2x = 12 + 6 + 5

4x - 4x = 23

0 = 23

Something is wrong, you must have wrote something wrong

8 0
4 years ago
Read 2 more answers
What is the value o(f 5.3 * 10^4 ) ( 4.2*10^3) in scientific notation?
denis23 [38]

( 5.3 * 10^4 ) ( 4.2*10^3)

Multiply the numbers and add the exponents

(5.3 * 4.2) * 10 ^ (4+3)

22.26 * 10^7

now we have to adjust since more than 1 number is in front of the decimal

2.26 * 10^(7+1)

2.26*10^8

6 0
3 years ago
3x-1=1-3x please show how
MaRussiya [10]

Answer:

x=1/3

Step-by-step explanation:

3x-1=1-3x

<u>-3x    -3x</u>

-1=1-6x

<u>-1 -1</u>

<u>-2</u>=<u>-6x</u>

-3   -3

1/3=x

6 0
3 years ago
Read 2 more answers
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