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Alchen [17]
3 years ago
12

How do I do this? it doesn't make sense. ​

Mathematics
1 answer:
yuradex [85]3 years ago
4 0
I think you subtitute de 34 by x not sure
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10(2^×) + 7(3^×) = 6^× + 70​
Mkey [24]

Answer:

x = 2.81 and 2.096

Step-by-step explanation:

Given the expression

10(2^x) + 7(3^x) = 6^x + 70​

This can also be expressed as;

10(2^x) + 7(3^x) = (2*3)^x + 70

10(2^x) + 7(3^x) = 2^x*3^x + 70

Let a  = 2^x and b = 3^x

10a + 7b = ab + 70

10a + 7b - ab = 70

10a-ab + 7b - 70 = 0

a(10-b)+7(b-10) = 0

a(10-b)-7(10-b) = 0

a-7 = 0 and 10-b = 0

a = 7 and b = 10

Since a = 2^x

7 = 2^x

log 7 = log2^x

log7 = xlog2

x = log7/log2

x = 2.81

Similarly

10 = 3^x

log 10 = log 3^x

log 10 = xlog3

x = log 10/log 3

x = 1/0.4771

x = 2.096

Hence the values of x that satisfies the equation are 2.81 and 2.096

8 0
2 years ago
Can some one help I forgot how to do 0.6 divided by 12.9. Plzzzzz anyone hellppppppp
Katyanochek1 [597]

The answer to your question is 0.046511627906

Explanation:

Simple, use a calculator to answer your question.

3 0
2 years ago
Please explain this to me<br>​
QveST [7]

Answer: i dont know

Step-by-step explanation:

8 0
3 years ago
The Xbox X is back in stock just in time for black Friday. Retailers are now offering the Xbox one S for 40% of the original pri
oksian1 [2.3K]

Answer:

230$ discount

Step-by-step explanation:

It costs 345$ now with a game pass

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

6 0
3 years ago
Please Help me!!!!!! Its my last question!
Strike441 [17]
The reasonable answer is D makes since
3 0
3 years ago
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