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iogann1982 [59]
2 years ago
12

By what percent (%) will a fraction change if its numerator is decreased by 10% and its denominator is decreased by 70%?

Mathematics
1 answer:
Lana71 [14]2 years ago
5 0
The fraction will change 7%
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Given log4(3) =0.7925 and log4(5) =1.1610, use log properties to find log4(300).
Ede4ka [16]

Answer:

4.1145

Step-by-step explanation:

You can use the following formula to solve this kind of problems,

log_{a}(b)  +  log_{a}(c)  =  log_{a}(bc)

So, let's start of with log4_(300). Since the question have already gave log4_(3) =0.7925 and log4_(5) =1.1610. It means that you have to split the 300 into the simplest form where almost all of the numbers are 3 and 5.

log_{4}(300)  =  log_{4}(4 \times 5 \times 3 \times 5)  \\  =  log_{4}(4)  + log_{4}(5)  + log_{4}(3)  + log_{4}(5)  \\   = 1 + 1.1610 + 0.7925 + 1.1610 \\  = 4.1145

5 0
2 years ago
What is 5 + 72?<br><br> a 81<br> b 72<br> c 5<br> d 62
maxonik [38]

The answer is 77 but i don't see it as an option here ;/

6 0
2 years ago
11 + 11 = 4 22 + 22 = 16 33 + 33 = ?
Anon25 [30]

Answer:

66

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Q#1: Suppose that you have two different algorithms for solving a problem. To solve a problem of size n, the first algorithm use
svetlana [45]

Answer:

The one of -[n+2n+3n+4n]/nlne(10) has fewer operations because the value of n is <u>static</u><u>.</u>

The one of n! ( factorial ) is factorised up to n∞ hence has infinity operations.

7 0
3 years ago
Can someone help me with this and explain please
Artyom0805 [142]
X/y = 2 so x = 2y
z/x = 4 so z = 4x but x = 2y so z = 4(2y) = 8y

now you have
x = 2y, z = 8y 

x + y + z          2y  + y + 8y             11y              11
------------ = -----------------------= ------------- =   ----------- = 5 1/2
     x                          2y                  2y                  2

answer
C. 5 1/2
6 0
3 years ago
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