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djverab [1.8K]
3 years ago
9

Enter five expressions: a sum, a difference, a product, a quotient, and one that involves at least two operations that have the

value -3/4 (-0.75).
Mathematics
1 answer:
Sever21 [200]3 years ago
3 0

Answer:

i dk

Step-by-step explanation:

i am unable to can answer this i neeed points

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A. The solution is (−2,−3)
Cerrena [4.2K]

9514 1404 393

Answer:

  D.  (-3, -2)

Step-by-step explanation:

The equations have different coefficients for x and y, so will have one solution. The solutions offered are easily tested in either equation.

Using (x, y) = (-2, -3):

  x = y -1  ⇒  -2 = -3 -1 . . . . False

Using (x, y) = (-3, -2):

  x = y -1  ⇒  -3 = -2 -1 . . . .True

  2x = 3y  ⇒  2(-3) = 3(-2) . . . . True

The solution is (-3, -2).

__

If you'd like to solve the set of equations, substitution for x works nicely.

  2(y -1) = 3y

  2y -2 = 3y . . eliminate parentheses

  -2 = y . . . . . . subtract 2y

  x = -2 -1 = -3

The solution is (x, y) = (-3, -2).

5 0
2 years ago
18. A credit card company claims that the mean time the customers spend on
Aleksandr [31]

Answer: If the null hypothesis is true, the probability of observing a sample mean of at least 5.15 minutes is .031

Step-by-step explanation:

8 0
2 years ago
COMPLETE THE SQUARE TO REWRITE Y=X>2+8X+3 IN VERTEX FORM , AND THEN IDENTIFY THE MINIMUN Y-VALUE OF THE FUNCTION
kicyunya [14]

Answer:

The vertex form is y = (x + 4)² - 13

The minimum value of the function is -13

Step-by-step explanation:

∵ y = x² + 8x + 3

∵ 8x ÷ 2 = 4x ⇒ (x) × (4)

∴ We need ⇒ x² + 8x + 16 to be completed square

∴ y = (x² + 8x + 16) - 16 + 3 ⇒ we add 16 and subtract 16

∴ y = (x + 4)² - 13 ⇒ vertex form

∵ The vertex form is (x - a)² + b

Where a is the x-coordinate of the minimum point and b is y-coordinate of the minimum point (b is the minimum value of the function)

∴ The minimum value is -13

6 0
3 years ago
Select the proper order from least to greatest for 1/2, 5/6, 2/7, 4/2?
mamaluj [8]
The least is 2/7 then 1/2 then 5/6 and the greatest is 4/2
8 0
3 years ago
Read 2 more answers
I'm not sure if this is correct or not. I just learned how to plot these equations. Please tell me if i'm right or wrong and exp
solong [7]

Answer:

The graph you have is wrong. This is the right graph.

Hope this helps! Have a nice day, good luck, and stay safe!

8 0
3 years ago
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