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makkiz [27]
3 years ago
8

Which situation results in a final value of zero?

Mathematics
1 answer:
kipiarov [429]3 years ago
4 0

Answer:

B

Step-by-step explanation:

The profit made is equal to 2.25-2.25 which is 0.

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Find the set of values of k for which the equation 3x² - 12x + k >. 0 has no real roots.​
anzhelika [568]

Answer:

k > 12

Step-by-step explanation:

If a quadratic equation has no real roots the values of b^2 - 4ac

( for the general form ax^2 + bx + c = 0) is negative,

So we have the inequality:

(-12)^2  - 4*3* k < 0

144 - 12k < 0

12k > 144

k > 12

3 0
2 years ago
What are the zeros in the function f(x)=(2x+6)(x-4)
Shtirlitz [24]

Hello from MrBillDoesMath!

Answer:

x = -3, 4

Discussion:

The zeroes of f(x) are the x values where

2x + 6 = 0   =>  x = -3

and

x - 4 = 0   => x = 4

Thank you,

MrB

8 0
3 years ago
Read 2 more answers
Can anyone please help
ANTONII [103]

2. 64 = 2 × 2 × 2 × 2 × 2 × 2 2 |64

√64 = √2 × 2 × 2 × 2 × 2 × 2 2 |32

√64 = 2 × 2 × 2 2 |16

√64 = 2³ 2 |8

√64 = 8 2 |4

2 |2

3. No positive square root exists for -85 as it is a negative integer. The squares of a number is always positive.

4. 114 is not a perfect square. √114 = 10.677078252

5. √16 = 4

6. √105 = 10 (nearest)

7. √81 = 9

8. √14 = 4 (nearest)

9. √8 = 3 (nearest)

3 0
3 years ago
I need to complete the equation of the line through (3 -1) and (4 7). I am really stumped on this topic, please explain the proc
Nana76 [90]

Assuming you want the equation in slope intercept form, you first need to use slope formula to find the slope.

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

Plug in the coordinates that you have, (3,-1) and (4,7), for the x and y values respectively.

\frac{-1-7}{3-4}

Which reduces to 8/1=8.

The slope of your equation is 8.

Slope intercept form is: y=mx+b. m is your slope and b is your y-intercept, x and y stay unchanged.

Plug the slope in:

y=8x+b.

Now, you can plug one of the sets of coordinates into the x and y of the equation to find b. I'm using (3,-1).

-1=8(3)+b

-1=24+b

Subtract 24 from both sides.

-25=b

Now plug this into the equation!

y=8x-25 is your final equation.

I hope this helps :)

6 0
3 years ago
Express each rational number as a fraction or<br> mixed number in simplest form.<br> 25
Sloan [31]

25 expressed as a mixed number is just 25

-Hunter

4 0
3 years ago
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