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masha68 [24]
4 years ago
14

Write the expression 18 - 27-9 in the form of a +bi.

Mathematics
1 answer:
My name is Ann [436]4 years ago
3 0
V(18-1811) también eres el mejor en la vida y tú me ganas de comer
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The sum of 6 consecutive integers is 519. What is the third number in this sequence?
garri49 [273]
The third integer is 86, hope this helps :)
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Felicity baby sat 2 hours each night for 10​ nights. She earned a total of $180 babysitting. Felicity wants to calculate her hou
natulia [17]

Answer:

To find Felicity's hourly rate you first want to find out how many hours she has babysat altogether. In order to do this we need to take 2*10=20

With that 20 we can divide it by 180 to find her hourly rate

180/20= 9

So she makes $9 an hour

Step-by-step explanation:

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Charlie tosses five coins.What is the probability that all five coins will land tails up.
lesya692 [45]

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Step-by-step explanation:

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3 years ago
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Simplify the expression. (3x/y)^-3
AysviL [449]

Answer:

y^3/(27 x^3)

Step-by-step explanation:

Simplify the following:

((3 x)/y)^(-3)

((3 x)/y)^(-3) = (y/(3 x))^3:

(y/(3 x))^3

Multiply each exponent in y/(3 x) by 3:

(y^3)/((3 x)^3)

Multiply each exponent in 3 x by 3:

y^3/(3^3 x^3)

3^3 = 3×3^2:

y^3/(3×3^2 x^3)

3^2 = 9:

y^3/(3×9 x^3)

3×9 = 27:

Answer:  y^3/(27 x^3)

6 0
3 years ago
HELP <br><br>Solve the formula E = /(R + r) for r.​
ahrayia [7]

Answer:

r= RE/I

Step-by-step explanation:

E=I(R+r)

divide both sides by I

E/I = R+r

subtract both sides by R

R(E/I) = r

r = RE/I

4 0
3 years ago
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