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fenix001 [56]
3 years ago
7

Solve the equations involving exponents 1. Solve 5^4x5^8=? 2. 11^18/11^-4=?

Mathematics
1 answer:
den301095 [7]3 years ago
3 0
When you multiple same numbers with different exponents, the exponents add. Example x^2 * x^3 = x^4
When you divide same number with different exponents, the number subtracts

1. 5^4 * 5^8 = 5^12
2. 11^18/ 11^-4 = 11^22
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madam [21]
A) Olly weighs more. Ellen=x, Olly=x+15, James=x+11.

B)Ellen weighs the least. Olly and James have more weight than her making her the lightest.

C)James weighs less than Olly. Olly=x+15, James=x+11
3 0
3 years ago
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Steps for x squared plus y squared minus 8x + 12 y + 27 equals 0
Sphinxa [80]
X²+y²-8x+12y+27=0
x²+y²-8x+12y=-27
x²-8x +y²+12y = -27
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a circle centered at (4,-6) with a radius of 5
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3 years ago
What is the expanded form and word form of it
Gre4nikov [31]
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8 0
3 years ago
A fish tank contains 16 goldfish and 24 guppies. If you randomly select 2 fish, what is the probability that they are both goldf
morpeh [17]
Hello, Shakiya214!

If a fish tank contains 16 goldfish and 24 guppies, then we can deduce that the total number of fish in the tank is: 16 + 24 = 40 fish.
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To illustrate this idea, suppose we had n fish in the tank (a guppies and b goldfish). The probability of selecting any fish is 100% (because there are only fish in the tank). If we had to select the goldfish, we could choose them like this:

p₁, p₂, p₃, p₄ ... pₐ

We could choose any one of these fish twice. This leaves us with: 16/40
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4 0
3 years ago
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The tax on a purchase Lena bought at the mall was $17.32. The sub total cost was $92.00. What was the tax percentage? Round the
Elis [28]

Answer:

19%

Step-by-step explanation:

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percent = 17.32/92 × 100%

percent = 18.826...%

Answer: 19%

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