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Ierofanga [76]
3 years ago
11

9x^2+16=0 what are the solutions

Mathematics
1 answer:
seraphim [82]3 years ago
8 0
X=4i/3,-4i/3

Need 20 characters
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How many 11/4 pound packages can you make<br> with 71/2 pounds of cashews?
vovangra [49]

Answer:

12 whole bags

Step-by-step explanation:

7 0
4 years ago
I need this one answered too, I'm not very good at fractions...
gizmo_the_mogwai [7]

b is correct! good job :)

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3 years ago
Consider a right triangle that has these dimensions: the side opposite angle a is 6 meters and the side adjacent angle a is 8 me
Varvara68 [4.7K]
To determine the length of the hypotenuse, we need a relation that would relate the other legs and the hypotenuse of the triangle. So, we would need to use the Pythagorean theorem which is an equation that relates the hypotenuse with the other legs of a right triangle. It is to be noted that this is only usable for right triangles only. It is expressed as follows:

c^2 = a^2 + b^2

where c is the hypotenuse and a, b are the other legs.

c = √(a^2 + b^2)
c = √(6^2 + 8^2)
c = √100
c = 10 m

Therefore, the length of the hypotenuse with the other legs having a length of 6 and 8 would be 10 m.
5 0
3 years ago
A quadratic function f(x)=ax2 passes through (0,0) and (5,5). write an equation for this function
krek1111 [17]

Answer:

y = (1/5)x² or  y = x²/5

Step-by-step explanation:

We have the function f(x) = ax² and are given that the point (5,5) is on the parabola.  We need to find 'a'.   f(x) can be replaced with 'y', so we can rewrite the equation as...

y = ax²    

We know that when x = 5, y = 5, so we have

5 = a(5²)      now simplify...

5 = 25a

5/25 = a

1/5 = a, so our equation becomes

(1/5)x² or  x²/5  (the expressions are equal)

8 0
3 years ago
The scale on a map is 2 cm= 5.5 miles. If two cities are 15 miles apart, how many cm apart would they be on the map?
xxTIMURxx [149]

Answer:

3 cm

Step-by-step explanation:

5 0
3 years ago
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