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dusya [7]
3 years ago
7

Unaaa paginaa para hacer operaciones dificiles ?

Mathematics
1 answer:
oksian1 [2.3K]3 years ago
7 0
I don’t speak Spanish....
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Y + yx; use x = 15, and y = 8
Ede4ka [16]

Answer:128

Step-by-step explanation:

y+yx

When x=15, y=8

8+(15×8)

=8+120=128

4 0
3 years ago
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Use the Remainder Theorem to determine which of the roots are roots of F(x). Show your work.
Brums [2.3K]

Answer:    x1=1   x2=-2  and x3=2

Step-by-step explanation:

1st   x1=1 is 1 of the roots , so

F(1)=1-1-4+4=0 - true

So lets divide x^3-x^2-4x+4 by (x-x1), i.e  (x^3-x^2-4x+4) /(x-1)=(x^2-4)

x^2-4 can be factorized as (x-2)*(x+2)

So x^3-x^2-4x+4=(x-1)*(x^2-4)=(x-1)(x-2)*(x+2)

So there are 3 dofferent roots:

x1=1   x2=-2  and x3=2

3 0
3 years ago
Marc practiced guitar 25 minutes each day in July.In august,he practiced 60 mins per day.Which is the percent increase in Marc’s
monitta

The percent increase from July to August is 140%.

6 0
3 years ago
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What is the equation of the following line written in general form? (The y-intercept is -1.)
Vedmedyk [2.9K]
~~~~~~~~~2x- y - 1 = 0 ~~~~~~~~~~
4 0
3 years ago
Need help on C and D, please help.
Mekhanik [1.2K]
C. 1/5,2/5,3/5,4/5 and 1 since all will be on the same mark as 2/10,4/10,6/10,8/10 and 10/10.
d. there would be 10/10 for every  0 to 2.
6 0
3 years ago
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