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3 years ago

What is 1/10th of 0.08?

Mathematics

2 answers:

goldfiish [28.3K]3 years ago

7 0

1/10th of 0.08 is 0.008. What you do is you multiply 0.1 by 0.08 which gives you 0.008

erastovalidia [21]3 years ago

3 0

It is 0.008. Thanks (:

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How many integers less than 50 have exactly 2 distinct prime factors?

Vedmedyk [2.9K]

1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47

So 16 integers.

6 0

3 years ago

Fan can clean the garage in 3 hours, but it takes Angie 4 hours to do the same. How long would it take for them to clean the gar

kupik [55]

Answer:

1 5/7 hours.

Step-by-step explanation:

1/3+1/4 = 7/12

1/7/12= 1.714 hrs

6 0

3 years ago

While working on his science fair project, Julian noticed changes in the cultures he was growing. He noticed that the cultures w

jarptica [38.1K]

The answer is: " 100 cultures " .
_______________________________________________
Take the number of the day we are at (from the beginning; in this case, "9" (for "Day 9").
_________________________________________________
Then add "1" to that number (in this case, " 9 + 1 = 10" .
_________________________________________________
Then, take that value (in this case, "10"); and "square" that value ; (in this case; " 10² = 10 * 10 = 100 . This is the answer.
__________________________________________________
The answer is: " 100 cultures " .
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Note: We get this steps by noticing the trend from the information provided.
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8 0

3 years ago

Find f'(x) and state the domain of f': f(x) = In (2x^2+1)

-Dominant- [34]

Answer:

$f'(x) = \frac{4x}{2x^2+1}$

Domain: All Real Numbers

General Formulas and Concepts:

Algebra I

Domain is the set of x-values that can be inputted into function f(x)

Calculus

The derivative of a constant is equal to 0

Basic Power Rule:

f(x) = cxⁿ
f’(x) = c·nxⁿ⁻¹

Chain Rule: $\frac{d}{dx}[f(g(x))] =f'(g(x)) \cdot g'(x)$

Derivative: $\frac{d}{dx} [ln(u)] = \frac{u'}{u}$

Step-by-step explanation:

Step 1: Define

f(x) = ln(2x² + 1)

Step 2: Differentiate

Derivative ln(u) [Chain Rule/Basic Power]: $f'(x) = \frac{1}{2x^2+1} \cdot 2 \cdot 2x^{2-1}$
Simplify: $f'(x) = \frac{1}{2x^2+1} \cdot 4x$
Multiply: $f'(x) = \frac{4x}{2x^2+1}$

Step 3: Domain

We know that we would have issues in the denominator when we have a rational expression. However, we can see that the denominator would never equal 0.

Therefore, our domain would be all real numbers.

We can also graph the differential function to analyze the domain.

5 0

3 years ago

Factor-

Nastasia [14]

Hello from MrBillDoesMath!

Answer:

See Discussion section below

Discussion:

2x^2 + 5x + 3 = (2x+3)(x+1) which is Choice 3

3x^2+10x+4 =-1/3 (-3 x + sqrt(13) - 5) (3 x + sqrt(13) + 5)

I don't think any of the provided choices are right!

8x^2+10x-3 = (2x+3)(4x-1) which is Choice 2

6x^2-7x-4 = -1/24 (-12 x + sqrt(145) + 7) (12 x + sqrt(145) - 7)

I don't think any of the provided choices are right!

2x^2+x-28 = (2x-7)(x+4) which is Choice 2

Thank you,

MrB

4 0

3 years ago