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dolphi86 [110]
3 years ago
12

I need help with the exponents

Mathematics
2 answers:
Jlenok [28]3 years ago
6 0
X^3 so u need to add the exponents -3 +4 + 2
-3 + 4 = 1 + 2 = 3 so x^{3}
natita [175]3 years ago
5 0
The answer is x^3
to solve such questions you just need to add exponents

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neonofarm [45]

Answer:

10

Step-by-step explanation:

If Daisy is originally 5 years old, then Olivia would be three times her age which is 15 years old.

After 5 years pass, Daisy will be 10 years old and Olivia will be 20 years old, making Olivia twice as old as Daisy now.

5 0
3 years ago
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What is the value of (7 + 2i)(3 - i)?
Harrizon [31]
There are two ways to work this out: normal variables or using "imaginary" numbers.

Normal variables:
(7+2i)(3-i)\\(7*3)+[7*(-i)]+(3*2i)+[2i*(-i)]\\21-7i+6i-2i^{2}\\\\21-i-2i^{2}

Imaginary numbers:
Using the result from earlier:
21-i-2i^{2}
Now since i = \sqrt{-1}, then the expression becomes:
21-i-2i^{2}\\21-i-2(\sqrt{-1})^{2}\\21-i+(-2)(-1)\\21-i+2\\\\23-i
7 0
3 years ago
Jordan has 4/5 as many DVDs as Joseph. If Jordan has 56 DVDs, then how many does joseph have?
Andreyy89
Jordan has 4/5 as many DVDs as Joseph means joseph has more DVDs than Jordan. number of joseph's DVDs * 4/5 = 56 so 
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3 0
3 years ago
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Write an equation for a line perpendicular to y=3x−1 and passing through the point (-9,4)
Vedmedyk [2.9K]

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y=-1/3x+1

Step-by-step explanation:

(picture explains)

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GarryVolchara [31]
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7 0
3 years ago
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