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Kruka [31]
2 years ago
15

Could anyone explain to me about adding and subtracting exponents. I don’t understand these equations with their exponents!

Mathematics
1 answer:
meriva2 years ago
8 0

Answer:

whenever you're multiplying terms that have exponents you multiply the coefficients and add their exponents:

Step-by-step explanation:

I think the answer to your first question should be:

30a²b - 30ab²

Your second answer is good

whenever you're multiplying terms that have exponents you multiply the coefficients and add their exponents:

for example, 6a²b³c x 2abc = 6(2)(a²)(a)(b³)(b)(c)(c)

= 12a³b⁴c²

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What is 82.5 as a fraction in simplest form
tangare [24]
85.5 as a fraction is 85 2/10 which is simplified to 85 1/5
3 0
3 years ago
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What is the range of the following function
AleksAgata [21]

The range is the set of y.

(-4, 4) → 4

(-3, 0) → 0

(-2, 1) → 1

(-1, 3) → 3

(0, 0) → 0

(1, 5) → 5

Answer: {0, 1, 3, 4, 5}

3 0
3 years ago
A coin is tossed and a number cube is rolled. What is the probability that the coin shows heads and the number cube shows 5? a.
Inessa [10]

Answer:

1/12

Step-by-step explanation:

P( coin = heads) = number of heads / total = 1/2

P( cube = 5) = number of 5's / total =1/6

P( heads, 5) =1/2 * 1/6 = 1/12

8 0
3 years ago
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The graph of f(x) = x2 is translated to form g(x) = (x – 5)2 + 1. Which graph represents g(x)?
levacccp [35]
<span>The graph would be translated 5 units right and 1 unit up, giving an upward facing parabola with a vertex at (5, 1).

Explanation:
Since 5 was subtracted from x before it was squared, this means a horizontal translation 5 units. Since it was subtracted, this means it was translated right 5 units.

The 1 added at the end means it was translated 1 unit up as well.

This is in vertex form, y=a(x-h)^2 + k, where (h, k) is the vertex; h corresponds with 5 and k corresponds with 1, so the vertex is at (5, 1).</span>
6 0
3 years ago
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What is the difference between the compound interest and simple interest on rs 8000 at 15% per annum for 2 years?
Sladkaya [172]
Simple Interest:

I = P x r x t
I = 8000 x 0.15 x 2
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Compound Interest:

A = P(e^rt)
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A = 8000(e^0.15(2))
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Therefore compound interest is 2799.

The difference:
compound - simple = 2799 - 2400

Answer is rs 399.
3 0
3 years ago
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