Help please please pleaseee!!! (check the picture)

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

6 0

Answer:

the answer is x < - 6

Step-by-step explanation:

see the pictures for the step by step explanation

i hope this helps

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skymillie28

Expert

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How do you solve the equation 7^(7n+7)=2,401

RoseWind [281]

7^(7n + 7) = 2401
apply log on both sides to solve the equation
log 7^(7n + 7) = log 2401
the power is brought forward
(7n + 7) log 7 = log 2401
7n +7 = log 2401 / log 7
7n + 7 = 4
7n = -3
n = -3/7

Hope it helped!

5 0

3 years ago

the units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than the ori

Anton [14]

Answer:

Step-by-step explanation:

Here is the correct and complete question: The units digit of a two-digit number is twice the tens digit. If the digits are reversed, the new number is 9 less than twice the original number. What is the original number?

Lets assume the original number be"10y+x". (x is unit digit and y is 10th digit)

∴ if number is reversed then resulting number be "10x+y".

As given: x= 2y

and $10x+y= 2(10y+x)-9$