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sveticcg [70]
3 years ago
8

Please help. Question 4.

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0
I know that the first one is the (sum) of a number x and 8.1 but im not sure about the rest im sorry

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Ayuda con estos ejercicios
joja [24]
1. x=6
2. y=6
3. x=10
4. y=10

1.c+9= 19
2. 9-y=7
3. 5y=30
4. u-u=0

1. 2(3x2 - 5x3)
   2(6-15)
   2x(-9)=18

3 0
2 years ago
Which number is rational?
marishachu [46]

Answer:

Option D, \sqrt{16}, since the answer is 4 which is a rational number considering that it's a whole number

Hope this helps!

8 0
3 years ago
A store I selling all toaster ovens at 15% off. Write an equation in the form y=kx
slavikrds [6]
The answer is y equals 0.85 x. Hope this help you
5 0
2 years ago
Please help, I will give brainliest to best answer
tester [92]

Answer:

060.28

Step-by-step explanation:

3 can't go into 1, but it goes into 18 six times with 0 left over. 3 goes into 0 zero times. 3 goes into 5 one time with 2 left over. 3 goes into 26 (because you pull the 6 down) 8 times with 2 left over.

5 0
2 years ago
NEED HELP ! 20 POINTS
prohojiy [21]

If z=1-i, then |z|=\sqrt{1^2+(-1)^2}=\sqrt2 and \arg z=-\dfrac\pi4 because z lies in the fourth quadrant.

By DeMoivre's theorem,

z=|z|e^{i\arg z}\implies z^{10}=(\sqrt2)^{10}e^{-i10\pi/4}=32e^{-i5\pi/2}=32e^{-i\pi/2}=-32i

so the answer is B.

8 0
3 years ago
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