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Shalnov [3]
3 years ago
10

PLEASE HELP ?? What is the length of x?

Mathematics
1 answer:
Dominik [7]3 years ago
7 0

Answer:

4 1/2 is the length of x

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Any help would be great.
Ket [755]

<u>Answer:</u>

log7

<u>Step-by-step explanation:</u>

We are given the following expression in terms of log and we are to solve it:

log (14/3) + log (11/5) - log (22/15)

Just to recall, when we divide two values that have the same base, we basically subtract the exponents.

So applying this rule here to get:

(log11 - log5) + (log14 - log3) - (log22 - log15)

= log11 - log5 + log14 - log3 - log2×11 + log5.3

= loh11 - log5 + log14 - log3 - log2 - log11 + log5 + log3

Cancelling out the like terms to get:

= log14 - log2

= log 14/2

= log7

8 0
4 years ago
Ana is looking to buy a prom dress that is sold at two different stores. The dress is $390
bogdanovich [222]

Answer:

store D

Step-by-step explanation:

Becuase if the Store D hast the same cost as the Store B it will be better to pick at store D because The original price is 550 for the dress meanwhile The store D have 28% off which it only cost 296$

5 0
3 years ago
Suppose you add 10% of the number to the number and then you subtract 10% of the total is there is a greater than less than or e
laila [671]

Answer:

It is a smaller number than the original

Step-by-step explanation:

ex: 100 + (100 x 10%)= 110

110 - (110 x 10%) = 99

4 0
3 years ago
Read 2 more answers
If 2⅕ of a number is 5. what is the number?​
Black_prince [1.1K]

Answer:

The number is ;

25/11

Step-by-step explanation:

Let- the -unknown- number- be ; x\\2\frac{1}{5} \times x =5\\\\\frac{11x}{5} =5\\Cross-Multiply\\11x = 25\\Divide- both-sides-of-the-equation -by ;  x\\\frac{11x}{11} =\frac{25}{11} \\x = 25/11\\\\x = 2\frac{3}{11}\\

6 0
4 years ago
Your answer should be an expanded polynomial in standard form.<br>(-2k^3-7k^2+5k)+(6k^2+3k)​
Lynna [10]

Answer:

-2k^{3} -k^{2} +8k

Step-by-step explanation:

Just add like terms

3 0
3 years ago
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