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Paladinen [302]
3 years ago
7

Consider the quadratic function

Mathematics
1 answer:
Mekhanik [1.2K]3 years ago
8 0

Answer:

X=0

Step-by-step explanation:

Frst we want to check is it symmetry function?

F(-x)=f(x)?

We know that f(x)=x^2+0x-4=x^2-4.

What about f(-x)? F(-x)=(-x)^2-4=x^2-4, so we can conclud that f(-x)=f(x), the summetry!

Intesections with x is in the -2 and 2, so the middle is x=0.

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Solve for the indicated variable: ⅖(z + 1) = y for z.
sweet [91]

Answer:

  z = 5/2y -1

Step-by-step explanation:

We observe that z has ...

  • 1 added
  • the sum multiplied by 2/5

To solve for z, we undo these operations in reverse order.

  \dfrac{2}{5}(z+1)=y\qquad\text{given}\\\\z+1=\dfrac{5}{2}y\qquad\text{multiply by 5/2}\\\\\boxed{z=\dfrac{5}{2}y-1}\qquad\text{subtract 1}

5 0
3 years ago
Read 2 more answers
5/9+ (-4/5)
Virty [35]
-11/45 is the correct choice
3 0
2 years ago
You are trying to figure out how many gumballs you need to fill a 7.3 x 5.0 x 9.4 rectangular box for Halloween. Each gumball ha
riadik2000 [5.3K]

According to the calculations made, 410 gumballs will be needed to fill the box.

Since you are trying to figure out how many gumballs you need to fill a 7.3 x 5.0 x 9.4 rectangular box for Halloween, and each gumball has a radius of 1/2 in, if the packing density for spheres is 5/8 of the volume will be filled with gumballs while the rest will be air how many gumballs will be needed, to determine this amount the following calculation must be performed:

  • (Volume of box x 5/8) / volume of gumballs = Amount of gumballs  
  • Volume of a sphere = 4/3 x 3.14 x (radius x radius x radius)  
  • Volume of a gumball = 4/3 x 3.14 x (0.5 x 0.5 x 0.5) = 0.5235 inches  
  • ((7.3 x 5 x 9.4) x 5/8) / 0.523 = X
  • (343.1 x 5/8) / 0.523 = X
  • 214.4375 / 0.523 = X
  • 410 = X

Therefore, 410 gumballs will be needed to fill the box.

Learn more in brainly.com/question/1578538

4 0
3 years ago
Any base (except 0) raised to the zero power is equal to that number or base.
kap26 [50]
True.
Example: 34^0 is 34
3 0
3 years ago
HELP ME PLEASE HAVING TROUBLE!
guapka [62]
It’s the first one because it has 7 rows and 7 columns which show that it is 7 times 7 or 7^2.
6 0
4 years ago
Read 2 more answers
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