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Arada [10]
3 years ago
13

Use the commutative law of addition to write an equivalent expression 9(x+5)

Mathematics
1 answer:
Ede4ka [16]3 years ago
5 0
Commutaitve has to do with moving around the order

it is a+b=b+a

so x+5=5+x, therefor

9(x+5)=9(5+x)
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Write and simplify the integral that gives the arc length of the following curve on the given interval b. If necessary, use tech
LiRa [457]

Answer:

L = 4.103

Step-by-step explanation:

we have length of curve

L = \int\limits^b_a {\sqrt{(f'(x))²+1} } \, dx

where f(x) = d/dx(3*in(x)) = 3/x

substituting for f(x), we have L = \int\limits^5_2 {\sqrt{(3/x)²+1} } \, dx

(since the limit is 2≤ x ≤5)

solving,  L = \int\limits^5_2 {\sqrt{9/x²+1} } \, dx

Simplifying this integral, we have

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8 0
3 years ago
Compute the odds in favor of obtaining a number divisible by 5 in a single roll of a die.
Georgia [21]

Answer:

1/6 or 16.7% chance

Step-by-step explanation:

A die has 6 sides, and there is only one side with a number divisible by 5, which is the number 5.

So, the probability of rolling a number divisible by 5 is 1/6.

= 1/6 or 0.167

3 0
3 years ago
Read 2 more answers
Evaluate 6 - 2(-1) + | -5 | =
tester [92]

Answer:

  13

Step-by-step explanation:

The product of two negative numbers is positive. The absolute value of a number is its magnitude written with a positive sign.

  6 -2(-1) +|-5|

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8 0
3 years ago
2(x-5)=4x+7<br> solve for x
OLEGan [10]

Answer:

x=-6

Step-by-step explanation:

5 0
3 years ago
The population of a town grows exponentially. After 1 year, the population is 34,560. After 2 years, the population is 37,325. W
Vladimir [108]
Exponential growth has the form:

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First let's solve for the rate, r, using the points provided...

37325/34560=(Ir^2)/(Ir^1)

r≈1.08  

Now find the initial amount...

34560=I(1.08)^1

I=32000 so now we have the entire equation, using x and y...

y=32000(1.08)^x

6 0
3 years ago
Read 2 more answers
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