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3 years ago

The city of Joyville has 87,388 residents round the number of people who live in joyville

Mathematics

2 answers:

Ghella [55]3 years ago

6 0

Answer:

depending on how you're rounding it

Step-by-step explanation:

90,000 88,000 87,000 87,400 87,390 if its more then five round up less than five round down

Yuliya22 [10]3 years ago

5 0

Answer:

there is no answer

but ok

Step-by-step explanation:

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What is 64x^9 as a monomial cube

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Answer:

(4x^3)^3

Step-by-step explanation:

64x^9

divide each exponent by 3 to get a cube

((64^-3)x^3)^3

simplify

(4x^3)^3

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4 years ago

Read 2 more answers

Find all values of m so that the function y = xm is a solution of the given differential equation. (Enter your answers as a comm

blagie [28]

Answer:

m = 6,9

Step-by-step explanation:

We are given that $y = x^m$ is a solution to given differential equation.

$x^2y'' - 14xy' + 54y = 0$

First we 3evaluate the value of:

$y'' = m(m-1)x^{(m-2)}$

$y' = mx^{(m-1)}$

Putting these value in the above differential equation, we get,

$x^2m(m-1)x^{(m-2)} + 14xmx^{(m-1)} + 54x^m = 0$

$x^m[m(m-1) -14m + 54] = 0$

$x^m(m^2 - 15m + 54) = 0$

$(m^2 - 15m + 54) = 0$

$(m-9)(m-6) = 0$

$m = 9,6$

Thus, for m = 9,6 , the function $y = x^m$ is a solution of given differential equation.

8 0

3 years ago

In a given course a student receives preliminary examination grades of 81, 85, and 95. The final examination is weighed for one-

Vsevolod [243]

Answer:

B. 96

Step-by-step explanation:

Let x represent score of final third exam.

We have been given that in a given course a student receives preliminary examination grades of 81, 85, and 95.

Let us find average of preliminary scores.

$\frac{81+85+95}{3}=\frac{261}{3}=87$

We have been given that the final examination is weighed for one-third and the average of the preliminary grades is weighed as 2/3 of the final grade. This means that final grade is equally weighed into 3 parts. The two parts are 87 each and third part is x.

Using our given information, we can set an equation as:

$\frac{87+87+x}{3}=90$