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RoseWind [281]
2 years ago
8

If a = 7^x , b = 7^y and a^yb^x = 49 show that xy = ​

Mathematics
1 answer:
hodyreva [135]2 years ago
4 0
I hope this helps you :)

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Help me please?!?!? Giving brainly!
Igoryamba

Answer:

Multiply input by 4.

Step-by-step explanation:

So, all we have to do is find the difference between the input/output.

So for the first one.

4y=1x

Divde both sides:

1y=1/4x

Next we have 16y=4x

Divide both sides:

1y=1/4x

Ok, so we now know that y is 1/4x

Or in otherwords, 4x is 1y.

Remember x is input, and y is output.

So we can think of this as the input times 4 equals the output.

This seems to be the second answer.

Hope this helps!

6 0
2 years ago
Read 2 more answers
Mr. McGee mowed 4/5 of his lawn. His three sons finished the mowing. Each son mowed the same amount. How much of the lawn did ea
liubo4ka [24]

Answer:

1 fifteenth, or 1/15

Step-by-step explanation:

If there are 3 sons multiply the fraction by 3 and then you have 12/15 because 12/15 is equal to 4/5, so the remaining is 3 out of 15, so divide that between the 3 sons and boom, 1/15th per son.  

5 0
3 years ago
What is the length of a leg of a right triangle if the hypotenuse is 9 inches and the other leg is 8 inches.
adelina 88 [10]

Answer:

√17 or 4.12 inches

Step-by-step explanation:

√9²-8²=√81-64=√17 inches

or 4.12 inches

5 0
3 years ago
What multiplication problem matches this addition problem?
tiny-mole [99]
6*7=42
It’s the answer I guess.
8 0
2 years ago
Read 2 more answers
Petra jogs 4 miles in 36 minutes. At this rate, how long would it take her to jog 11 <br> miles.
Nataly [62]

Answer:

it would take 99 minutes

4 0
2 years ago
Read 2 more answers
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