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PolarNik [594]
3 years ago
8

Hep plz plz plz plz desperate help

Mathematics
1 answer:
Vikki [24]3 years ago
5 0

Answer:

The equation is: 120 - 4x = 92. There are 7  incorrect answers.

Step-by-step explanation:

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
vodomira [7]

12x^2-75=3(4x^2-25)=3(2^2x^2-5^2)=3((2x)^2-5^2)=3(2x+5)(2x-5)\\\\\text{Used:}\ a^2-b^2=(a+b)(a-b)\\\\Answer:\ 5

8 0
3 years ago
5x+15y=75 WRITE Equation in Standard Form
sergeinik [125]

Answer:

15y=-1/3x+5

Step-by-step explanation:

-5x15y=-5x+75

6 0
3 years ago
What is the degree of vertex A?
GREYUIT [131]

Answer:

  c.  6

Step-by-step explanation:

The degree of a vertex is the number of arc ends that intercept it. (The other end of the arc is irrelevant.)

Vertex A is connected to B (1), D (2), F (1), and itself (2). There are a total of 6 arc ends that meet vertex A. Its degree is 6.

7 0
3 years ago
The length of a rectangle is 5 less than 3 times its width. The perimeter is
My name is Ann [436]

Answer:

The length is 28 and the width is 11

Step-by-step explanation:

To solve this problem, we can make the width as x.

Since the length is 5 less than 3 times the width, it's going to be 3x - 5

So now we've got the length and width, just need to find the perimeter, which is all the sides added up together. They already gave us the perimeter, so we just have to solve the equation:

2(3x - 5) + 2x = 78

6x - 10 + 2x = 78

8x - 10 = 78

8x = 88

x = 11

x = 11, but remember, x is the width, not the length. Since we already found what x is, we just have to plug it into the equation of:

3x - 5

3 × 11 - 5

33 - 5 = 28

Answer: Length = 28 (don't forget to add the unit if there is one)

8 0
3 years ago
The price of a DVD is $24.00 plus 8.25% sales tax. What is the sales tax on the DVD in dollars and cents?
Ray Of Light [21]

Answer:

2.04 so 2 dollars 4 cents

Step-by-step explanation:

i added 8.25

7 0
3 years ago
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