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stellarik [79]
3 years ago
14

Please hurry, thank you!!!

Mathematics
1 answer:
MatroZZZ [7]3 years ago
5 0
(-1/2)^-4
=16

the last one
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Simplify i to the 38
katrin2010 [14]
\bf i^4=1\qquad \qquad i^2=-1\\\\
-------------------------------\\\\
i^{38}\implies i^{32+2}\implies i^{32}\cdot i^2\implies i^{4\cdot 8}\cdot i^2\implies (i^4)^8\cdot i^2
\\\\\\
(1)^8\cdot -1\implies -1
7 0
3 years ago
Which is a solution to the equatin 5x+2y=9
Tanya [424]
Step by step

5x+2y=9

Move variable to the right side and change
It’s side.

5x=9-2y

Divide both sides of the equation by 5

X = 9/5 - 2/5y

Final solution

Answer: x = 9/5 - 2/5y
4 0
3 years ago
Please help. im taking the test right now and i need the answer!!
photoshop1234 [79]

Answer:

Either -2 or + 1

Step-by-step explanation:

I can't tell u exactly because I don't know the answer choices.

6 0
3 years ago
Find the value of x if possible
olga nikolaevna [1]

Answer:

Step-by-step explanation:

6x - 17 = 3x + 7

3x = 24

x = 8

7 0
3 years ago
Compute your average velocity in the following two cases: (a) You walk 64.6 m at a speed of 1.20 m/s and then run 64.6 m at a sp
Ratling [72]

Answer:

Step-by-step explanation:

Given

(a)distance(s_1)=64.6 m

speed=1.2 m/s

s_2=64.6 at 3.53 m/s

total time =\frac{64.6}{1.2}+\frac{64.6}{3.53}

=53.83+18.3=72.13 s

Average velocity=\frac{Displacement}{time}

V_{avg}=\frac{129.2}{72.13}=1.79 m/s

(b)total distance=60\times 1.2+106.8\times 3.53=72+377.004=449 m

Average velocity=\frac{Displacement}{time}

v_{avg}=\frac{449}{166.8}=2.69 m/s

3 0
3 years ago
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