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frez [133]
2 years ago
7

-2=-5+z/-2 Solve for z Steps on how to do this?

Mathematics
2 answers:
Sedaia [141]2 years ago
5 0

Step-by-step explanation:

fjrnrn.dnd.amsamammqmmakakqkkwkwkwjkwk

pishuonlain [190]2 years ago
5 0
Answer: z=6

Explanation:
-2=-5+z/2
3=z/2
z=6
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Given that f(x) = 19x2 + 152, solve the equation f(x) = 0
telo118 [61]

<em><u>Option A</u></em>

<em><u>The solution is:</u></em>

x = \pm 2i \sqrt{2}

<em><u>Solution:</u></em>

f(x) = 19x^2+152

We have to solve the equation f(x) = 0

Let f(x) = 0

0=19x^2+152

Solve the above equation

19x^2 + 152 = 0

\mathrm{Subtract\:}152\mathrm{\:from\:both\:sides}\\\\19x^2+152-152=0-152\\\\Simplify\ the\ above\ equation\\\\19x^2 = -152\\\\\mathrm{Divide\:both\:sides\:by\:}19\\\\\frac{19x^2}{19} = \frac{-152}{19}\\\\x^2 = -8

Take square root on both sides

x =  \pm \sqrt{-8}\\\\x = \pm \sqrt{-1}\sqrt{8}\\\\\mathrm{Apply\:imaginary\:number\:rule}:\quad \sqrt{-1}=i\\\\x = \pm i\sqrt{8}\\\\x = \pm i \sqrt{2 \times 2 \times 2}\\\\x = \pm 2i\sqrt{2}

Thus the solution is found

5 0
3 years ago
Anyone know the answer to any of these.
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Write as a product of two polynomials.<br> a(b–c)+d(c–b)
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Answer:

(b - c)(a - d)

Step-by-step explanation:

Given

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= a(b - c) - d(b - c) ← factor out (b - c) from each term

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The variables x and y vary inversely. When y is 10, x is 10. What is x when y is 20
dezoksy [38]
<span>inversely
y = k/x
k = yx
k = 10*10 = 100

when y = 20

20 = 100/x
20x = 100
   x = 5

answer
</span><span> x = 5 when y is 20</span>
8 0
3 years ago
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