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natima [27]
3 years ago
10

How to solve this one​

Mathematics
1 answer:
3241004551 [841]3 years ago
7 0
1 . X=-1+y
2. X=4 + y/2

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Multiply the following complex numbers:<br> (9-21)(7 +61)
Andrew [12]

Answer:

-816

Step-by-step explanation:

-12*68= -816 this is probably wrong but this is what i got

3 0
3 years ago
Read 2 more answers
1. Which expression is equivalent to (y + 7) - (-8y + 14)?
zimovet [89]

Answer:

A

Step-by-step explanation:

(y + 7) - (-8y + 14) = y + 7 + 8y - 14 = 9y - 7

5 0
2 years ago
How to solve and answer using elimination
grin007 [14]

Answer:

the answer is:

x=6

y=7


4 0
3 years ago
How many real roots and how many complex roots does this expression have?<br> (x+7)^7
Feliz [49]

Answer:

One real root, with multiplicity 7.

Step-by-step explanation:

The given expresion is

{(x + 7)}^{7}

This is a seventh degree polynomial.

According to the fundamental theorem of Algebra, the expression has a potential 7 roots both real and complex.

This expression has one real root, with multiplicity , 7.

3 0
3 years ago
A wedding ring is dropped from a tall building, the distance it has fallen in feet is given by 16t^2, where t is the time in sec
natka813 [3]

Answer:

64

Step-by-step explanation:

As given, the diatance at any point after t seconds is given by

s(t)=16t²

At t=2 seconds then

s(2)=16*2²=16*4=64

Since we're not given the units, it may be feet, inches, meters, kilometers, miles etc. Therefore, the diatance is equal to 64 units

7 0
3 years ago
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