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Debora [2.8K]
2 years ago
13

What is the approximate value of this logarithmic expression?

Mathematics
1 answer:
zvonat [6]2 years ago
5 0

9514 1404 393

Answer:

  B.  1.80

Step-by-step explanation:

The change of base formula can be used.

  \log_5(18)=\dfrac{\log{18}}{\log{5}}\approx\dfrac{1.25527}{0.69897}\approx1.7959\\\\\boxed{\log_5{18}\approx1.80}

_____

Some calculators can compute the value for you directly.

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Levart [38]

Answer:

40x+20y\leq 480

Step-by-step explanation:

Givens

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  • The mulch weighs 20 pounds per bag.
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Notice that the restriction is a maximum of 480 pounds, that means the inequality must include the sign \leq.

Now, let's call x the top soil and y the mulch, the inequality that represents this problem, would be

40x+20y\leq 480

3 0
3 years ago
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A triangular pane of glass has a height of 30 inches and an area of 270 square inches. what is the length of the base pane
Tems11 [23]
The equation for the area of a triangle is A= b*h /2. So, plug in your known variables, and you get 270in^2= b*30 /2. First you multiply by 2 to cancel out the division for 2, which gets you 540= b* 30. To get "b" by itself, divide both sides by 30, giving you <u>18=b</u>.

To check this, plug in your new known variable, as 270= 18* 30 /2. This will equal as 270=270, confirming 18in as the correct measurement.
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3 years ago
No files if your not sure don’t Awnser if correct I will give brainlest
Kruka [31]

Answer:

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Step-by-step explanation:

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Triangle TRI has a base of m centimeters and a height of n centimeters. Rectangle RECT has a length of n centimeters and a width
hram777 [196]
The area of the triangle is 
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4 years ago
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DochEvi [55]

Answer:

A:30

Step-by-step explanation:

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so 1 ratio=15

15 x 2(the ratio of dogs)

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