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Kisachek [45]
3 years ago
6

7x+5=8x Please help !!

Mathematics
1 answer:
MakcuM [25]3 years ago
3 0

7x + 5 = 8x

=》 7x - 8x = - 5

=》 x = - 5 The final Answer!

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Find the value of x. please explain and show your work.
iris [78.8K]

Answer:

30

Step-by-step explanation:

use Pythagoras theorem

hypothenuse of bottom triangle =√24^2+32^2 = 40

x =√50^2-40^2 = 30

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2 years ago
John is 36 years old and Jimmy is 11 years old and how many years will Johns age be twice Jimmy's age
Nostrana [21]
36 + x = 2(11 + x)
36+x=22+2x
14=x
John will be twice Jimmy's age in 14 years.

Alternate way:
Keep writing their ages for every year until John is twice Jimmy's age.
In the beginning: John is 36 years old, Jimmy is 11 years old.
As the years pass...

After 1 years: (John, 37), (Jimmy, 12)
After 2 years: (John, 38), (Jimmy, 13)
After 3 years: (John, 39), (Jimmy, 14)
After 4 years: (John, 40), (Jimmy, 15)
After 5 years: (John, 41), (Jimmy, 16)
After 6 years: (John, 42), (Jimmy, 17)
After 7 years: (John, 43), (Jimmy, 18)
After 8 years: (John, 44), (Jimmy, 19)
After 9 years: (John, 45), (Jimmy, 20)
After 10 years: (John, 46), (Jimmy, 21)
After 11 years: (John, 47), (Jimmy, 22)
After 12 years: (John, 48), (Jimmy, 23)
After 13 years: (John, 49), (Jimmy, 24)
After 14 years: (John, 50), (Jimmy, 25)
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3 years ago
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djverab [1.8K]
The answer is 0.02 because the 2 is in the hundredths place
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I will mark brainliest
Ivahew [28]

Answer:

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Step-by-step explanation:

I mean it days it right there

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