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zimovet [89]
4 years ago
6

Solve the equation –4 In(6x) = 2. O A. 0.101 B. 0.275 C 3.639 D. 67.238

Mathematics
2 answers:
Ugo [173]4 years ago
7 0

Answer:

A) 0.101

Step-by-step explanation:

  • ln(6x) = -1/2
  • 6x = e^(^-^1^/^2^)
  • 6x = 1/\sqrt{e}
  • x = 1/(6\times \sqrt{e})

Using the calculator x = 0.101

EastWind [94]4 years ago
6 0

Isolate the variable using algebraic manipulation.

-4 ln(6x)=2

ln(6x)=-\frac{1}{2}

6x=e^{-\frac{1}{2}}

x=\frac{e^-\frac{1}{2}}{6}

x=0.101

Hope this helps.

頑張って!

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What is the rectangular form of r=6/costheta
Arlecino [84]

Answer:

 The line x=6.

Step-by-step explanation:

The usual translations between polar and rectangular coordinates are ...

  • x = r·cos(θ)
  • y = r·sin(θ)

If we multiply the given equation by cos(θ), we get ...

  r·cos(θ) = 6

Using the above translation, this becomes ...

 x = 6

6 0
3 years ago
The Tran family is bringing 15 packages of cheese to a group picnic. Cheese slices cost $ 2.50 per package. Cheese cubes cost $
Natalka [10]

Answer:

cubes.

Step-by-step explanation:

17 cbes I think. not 100% tho

7 0
3 years ago
Which of the following is the measure of
jonny [76]

Answer:

The answer to your question is 31.4°

Step-by-step explanation:

Data

SR = 54 cm

SQ = 99 cm

RQ = 141 cm

∠QRS = ?

Process

1.- Use the law of cosines to find ∠QRS

          cos QRS = (SQ² - RS² - RQ²) / -2(SR)(RQ)

-Substitution

          cos QRS = (99² - 54² - 141²) / -2(54)(141)

-Simplification

          cos QRS = (9801 - 2916 - 19881) / -15228

          cos QRS = -12996 / -15228

          cos QRS = 0.85343

2.- Find QRS

            ∠QRS = 31.4°

4 0
3 years ago
Read 2 more answers
Write in scientific notation <br><br> (2.3x10^8)x(7.84x10^4)
Keith_Richards [23]

Answer: 1.8032 x 10^13

Step-by-step explanation: Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the ten. If your decimal is being moved to the right, then the exponent will become negative. If your decimal is being moved to the left, then the exponent will become positive.

I hope this helps you out!

4 0
3 years ago
Dan had $34 to spend at the fair if the admission to the fair is $10 and the rides cost $1.50 each, what is the greatest number
Lynna [10]

Answer:

Equation: 1.50x + 10 \leq 34

Amount of rides Dan can go on: 16 rides

Step-by-step explanation:

We can represent this situation using this equation:

1.50x + 10 \leq 34

The $10 Dan has to pay as admission is the fixed number because it doesn't vary and always remains the same, so no x goes next to 10.

Each ride costs $1.50 so this is the variable number as it changes with how many rides Dan goes on, therefore an x will go next to 1.50 to represent the amount of rides Dan goes on.

Lastly, Dan has $34 to spare, so the amount spent has to be less than or equal 34.

Solve the equation for x to find the greatest amount of rides Dan can go on:

1.50x + 10 \leq 34                      Subtract 10 from 34

1.50x \leq 24                             Divide 24 by 1.50

x \leq 16

So, Dan has enough money to go on 16 rides or less.

Let's check this answer:

1.50(16) + 10 \leq 34                   Multiply 1.50 by 16

24 + 10 \leq 34                           Add 24 and 10

34 \leq 34

Hope this helps! Good luck and if you have any questions let me know in the comments!

8 0
2 years ago
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