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nika2105 [10]
3 years ago
5

What is the Product of 2+√-121 And 3+√-64? Must be written as a complex number in standard form.​

Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0

Answer:

6+38i

Step-by-step explanation:

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Find the zeros of the function.
Zigmanuir [339]

Answer:

x = 3, x = 4

Step-by-step explanation:

To find the zeros of the function, equate f(x) to zero, that is

(x - 3)(2x - 8) = 0

Equate each factor to zero and solve for x

x - 3 = 0 ⇒ x = 3 ← smaller solution

2x - 8 = 0 ⇒ 2x = 8 ⇒ x = 4 ← larger solution

5 0
3 years ago
F(x) = –3x² - 6x +1<br><br> Find f(8)
MAXImum [283]

Answer:

-239

Step-by-step explanation:

6 0
3 years ago
A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function h(t)=72t-16t^2. What is the
irakobra [83]

Answer:

The maximum height that the ball will reach is 81 ft

Step-by-step explanation:

Note that the tray of the ball is given by the equation of a parabola of negative main coefficient. Then, the maximum value for a parabola is at its vertex.

For an equation of the form

at ^ 2 + bt + c

So

the t coordinate of the vertice is:

t =-\frac{b}{2a}

In this case the equation is:

h(t)=72t-16t^2

So

a=-16\\b=72\\c=0

Therefore

t =-\frac{72}{2(-16)}

t=2.25\ s

Finally the maximum height that the ball will reach is

h(2.25)=72(2.25)-16(2.25)^2

h=81\ ft

8 0
3 years ago
Find the magnitude of wy for W( 3. - 3, 1) and X(8. –3,-6)
Mashutka [201]

Answer:

√74

Step-by-step explanation:

there is no y.

wx=<8-3,-3+3,-6-1>=<5,0,-7>

|wx|=√(5²+0²+(-7)²)=√(25+49)=√74

8 0
3 years ago
Which of the following dilations was applied to ABCD to create AB'C'D'
kow [346]
There’s no picture to show the problem.
8 0
3 years ago
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