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nikitadnepr [17]
3 years ago
13

Consider the following system of equations. 2x + 3y = 12 -4x + 5y = -4 Which of the following equations could be used to create

an equivalent system (a system with the same solution)? Select all that apply.
A. -8x + 10y = -4
B. -2x + 8y = 8
C. 6x + 9y = 36
D. 6x - 2y = 8
E. x + 3/2y = 6
Mathematics
2 answers:
Yuki888 [10]3 years ago
7 0

Answer:

b

Step-by-step explanation:

 -2x+8y=8

Advocard [28]3 years ago
6 0
The answer is
B. -2x + 8y = 8
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Which of the lines graphed has a slope of 3 and a y-intercept of 2?​
marshall27 [118]

Answer:

Step-by-step explanation:

I can't really see the graphs very well but it is either A or B.

If you want to find your answer, see which line starts at 2 on. the y line. From there using your finger go up 3 and right 1

3 0
3 years ago
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a printer that sells for $190 is on sale for 20% off what is the sale price of the printer to work please​
alexandr402 [8]

Hey!

---------------------------------------------------

Solution:

20% = 0.2 (percentage as decimal)

190 x 0.2 = 38 (discount)

190 - 38 = 152 (sale price)

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Answer:

The sale price of the printer is $152.

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Hope This Helped! Good Luck!

6 0
2 years ago
Drag each number to the correct location on the table. Each number can be used more than once, but not all numbers will be used.
muminat

Answer:

1. 12x^2-13.4x-11

- Degree: 2

- Number of terms: 3

2. 7x^3+168

 - Degree: 3

- Number of terms: 2

3. 9x^4-9

- Degree: 4

- Number of terms: 2

Step-by-step explanation:

For this exercise you need to remember the multiplication of signs:

(+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-

1. Given:

(4x + 2.2)(3x - 5)

Apply the Distributive property:

=12x^2+6.6x-20x-11

Add the like terms:

=12x^2-13.4x-11

You can idenfity that:

- Degree: 2

- Number of terms: 3

2. Given:

(-304 +503 - 12) + (7x^3 - 25 + 6)

Add the like terms:

=187 + 7x^3 - 25 + 6=7x^3+168

You can idenfity that:

- Degree: 3

- Number of terms: 2

3. Given:

(3x^2 - 3)(3x^2 + 3)

Apply Distributive property:

=9x^4-9x^2+9x^2-9

Add the like terms:

=9x^4-9

You can idenfity that:

- Degree: 4

- Number of terms: 2

8 0
3 years ago
A cylinder with a diameter of 10 inches and a height of 12 inches. Determine the area of the cross section formed by slicing the
Colt1911 [192]

Answer:

188.571

if you did directly answer may differ

Step-by-step explanation:

you can see it from the picture above

8 0
2 years ago
Any one that knows this please help thanks!
OLga [1]

Replace each occurrence of x by 7. So we have:-

7^2 + 3 / 7 - 9

= 52 / -2

= -26 answer

5 0
2 years ago
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