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Svet_ta [14]
3 years ago
7

Neptune’s diameter is a little less than 5 x 10 with a power of 7 meters.how is this number expressed in standard notation

Mathematics
1 answer:
UNO [17]3 years ago
4 0

Answer:

So scientific notation would be 5 x 10 ^7, and standard would be 50,000,000

Step-by-step explanation:

The 7 means you move the decimal to the right 7 times, meaning you add 7 zeros.

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3 years ago
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Consider the differential equation: y′′−8y′=7x+1. Find the general solution to the corresponding homogeneous equation. In your a
Margaret [11]

Answer:

yp = -x/8

Step-by-step explanation:

Given the differential equation: y′′−8y′=7x+1,

The solution of the DE will be the sum of the complementary solution (yc) and the particular integral (yp)

First we will calculate the complimentary solution by solving the homogenous part of the DE first i.e by equating the DE to zero and solving to have;

y′′−8y′=0

The auxiliary equation will give us;

m²-8m = 0

m(m-8) = 0

m = 0 and m-8 = 0

m1 = 0 and m2 = 8

Since the value of the roots are real and different, the complementary solution (yc) will give us

yc = Ae^m1x + Be^m2x

yc = Ae^0+Be^8x

yc = A+Be^8x

To get yp we will differentiate yc twice and substitute the answers into the original DE

yp = Ax+B (using the method of undetermined coefficients

y'p = A

y"p = 0

Substituting the differentials into the general DE to get the constants we have;

0-8A = 7x+1

Comparing coefficients

-8A = 1

A = -1/8

B = 0

yp = -1/8x+0

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y = yc+yp

y = A+Be^8x-x/8

3 0
3 years ago
Answer this ASAP I really need it
Ede4ka [16]
Given the expression
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First, classify like terms, constant with constant, coefficient-variable with coefficient-variable
-2 + 6.45z - 6 + (-3.25z)
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Second, combining like terms
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8 0
3 years ago
How do you write 0.12 as a fraction
Arturiano [62]

[ Answer ]

\boxed{\frac{3}{25} }

[ Explanation ]

Rewrite 0.12 As A Fraction

-----------------------------

Rewrite Decimal As A Fraction With 1 As A Denominator

0.12 = \frac{0.12}{1}

Multiply To Remove Decimal Places

\frac{0.12}{1} · \frac{100}{100} = \frac{12}{100}

Find GCF, Reduce Fraction

\frac{12 \ / \ 4}{100 \ / \ 4} = \frac{3}{25}

0.12 = \frac{3}{25}

\boxed{\boxed{[ \ Eclipsed \ ]}}

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