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Phoenix [80]
3 years ago
12

Repost of my question i need help quicklyy help plzz

Mathematics
1 answer:
GuDViN [60]3 years ago
8 0

Answer:

According to logarithmic properties.... The right hand side can be written as

log base 7 (180/3).....which is log base 7 60

So according to the question cancel out the log base 7 from both sides....

Then we get 8r + 20 = 60

That is 8r = 40..

That is r = 5......

Therefore the value of r is 5

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Cooling towers are used to remove or expel heat from a process. A cooling tower's walls are modeled by x squared over 324 minus
olchik [2.2K]

The width of the cooling tower at the base of the structure will be A. 36 meters.

<h3>How to calculate the width?</h3>

From the information given, the towers walls are modeled by x²/324 - (y² - 90)²/1600.

Therefore, the width of the cooling tower at the base of the structure will be:

= 2 × ✓324

= 2 × 18

= 36

In conclusion, the width is 36 meters.

Learn more about width on:

brainly.com/question/25855344

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3 0
2 years ago
3 pounds of lawn seeds cover 1800 ft.². How many 4 pound bags are needed to cover 8400 ft.²
vlada-n [284]
1800/3 = 600
Every pound covers 600 square feet
8400/600 = 14
<span>14/4 = 3.5 (round up) so it would become 4.
</span>

You would need 4 bags. 

I hope this helps!

6 0
4 years ago
I WILL MARK YOU THE HIGHEST IF RIGHT!!!! NEED HELP ASAP (CANT GET THIS ONE RIGHT.
vitfil [10]
The correct answer is:   [A]:  " 2" . 
_______________________________________________________
Explanation:
_______________________________________________________

5x - 4 = 3x ; 

Subtract "3x" from each side of the equation; 

5x - 4 - 3x = 3x - 3x ; 

2x - 4 = 0 ; 

Add "4" to each side of the equation; 

2x - 4 + 4 = 0 + 4 ; 

2x = 4 ; 

Divide each side of the equation by "2" :

2x / 2  =  4 / 2 ;

  x = 2 ;   which is:  "Answer choice:  [A]:  " 2" . 
____________________________________________________
3 0
3 years ago
How do you simplify it is so hard
Lemur [1.5K]

basic stuff


1.remove parentheses by multiplying factors.

2.use exponent rules to remove parentheses in terms with exponents.

3.combine like terms by adding coefficients.

4.combine the constants

3 0
3 years ago
PLZZZ HELP ASAP!!!!!!!!!!!!!!!!It is a 75 mile trip to your grandparent's house. Which divisibility rule proves that 75 is an od
TEA [102]

Divisibility by 2 would be the correct answer. Two is an even number, and the only listed at that. Odd numbers are only divisible by another odd number. Hope I helped you !

6 0
3 years ago
Read 2 more answers
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