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Minchanka [31]
2 years ago
5

4. Walking the Dog Pet Store has

Mathematics
1 answer:
kirill115 [55]2 years ago
3 0
438-79= 359 leashes
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What is the value of b^2 0 4ac for the following equation?<br> 2x^2 0 2x 0 1 = 0<br> 04<br> 0<br> 12
tigry1 [53]
<span>2x^2 - 2x - 1 = 0 a = 2, b = -2, c = -1 b^2 - 4ac = (-2)^2 - 4(2)(-1) = 4 + 8 = 12
so the answer is 12
</span>
3 0
3 years ago
F(x)=-12x - 2x + 60x² +14x-60
Leona [35]

Answer:

x=±1. are the factors of the quadratic equation.

Step-by-step explanation:

Given quadratic expression, f(x)=-12x - 2x + 60x² +14x-60

Rearranging and adding the terms in the expression and equating to zero.

f(x)= 60x² -60=0

60(x² - 1) =0

The zero product property states that if the product of a⋅b=0 then either a or b equal zero or both of them must be equal to zero. This basic property helps us solve the quadratic equations like (x+2)(x-5)=0 where x =-2,5.

from the zero product property we can infer that 60≠0⇒x² - 1=0

⇒(x+1)×(x-1) = 0

⇒x=±1.

Therefore, x=±1. are the factors of the quadratic equation.

3 0
3 years ago
How do I solve this triangle?
svetlana [45]

Answer:

check the length and the angles and check the height of it

7 0
2 years ago
Find the product of 9x(-3x²y-7xz)
kogti [31]

Answer:

- 27 {x}^{3} y - 63 {x}^{2} z

Step-by-step explanation:

9x( - 3 {x}^{2} y - 7xz)

= 9x \times ( - 3 {x}^{2} y)  + 9x \times ( - 7xz)

=  - 27 {x}^{3} y - 63 {x}^{2} z

4 0
3 years ago
Which function has the domain x&gt;or= -11
iogann1982 [59]
I'm assuming this is multiple choice and you forgot to post the answers. I'll take a guess and say it probably looks something like this:
y = \sqrt{x + 11}
Because you can't take the square root of a negative number without getting an imaginary result, resulting in the function having a closed domain limit.
6 0
3 years ago
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