2 years ago

The price of gasoline rose from $2.40 to $2.76 in one month. By what percent did the gas price rise?

Mathematics

1 answer:

IrinaK [193]2 years ago

3 0

Answer: 15%

Reason: I wrote it down hopes it helps!!

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Step-by-step explanation:

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Factories: 64x3y3+8-2xy

Elena-2011 [213]

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2 years ago

Evaluate Each Expression. (Show Your Work.)

Anna11 [10]

Answer:

1. 8^2

2. 3^4

3. 5^3

Step-by-step explanation:

1)8×8 = 64

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3 years ago

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Setler79 [48]

15y + 31 = 61
15y = 61 - 31
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2 years ago

Which polynomial function has a leading coefficient of 1 and roots 2i and 3i with multiplicity 1? f(x) = (x – 2i)(x – 3i) f(x) =

kykrilka [37]

Answer:

$P(x)=(x-2i)(x-3i)$

Step-by-step explanation:

Build a Polynomial Knowing its Roots

If we know a polynomial has roots x1, x2, ..., xn, then it can be expressed as:

$P(x)=a(x-x1)(x-x2)...(x-xn)$

Where a is the leading coefficient.

Note the roots appear with their signs changed in the polynomial.

If the polynomial has a leading coefficient of 1 and roots 2i and 3i with multiplicity 1, then:

$P(x)=1(x-2i)(x-3i)$

$\mathbf{P(x)=(x-2i)(x-3i)}$

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