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Luden [163]
3 years ago
15

The tens digit of a 2 digit number is twice the units digit. The sum of the digits is 12. Find the original number.

Mathematics
1 answer:
Mice21 [21]3 years ago
3 0

Answer:

84

Step-by-step explanation:

4 * 2 = 8

8+4 = 12

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KLMN is a parallelogram,
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Answer:

Ok soo.

Step-by-step explanation:

sum of two adjacent angles of parallelogram is 180

so angle K + angle L = 180

as AK bisects angle K and LA bisects angle L

so, angle AKL + angle ALK = 180 /2 = 90

in triangle AKL,

angle AKL + angle ALK+angle KAL = 180(sum of all angles in triangle = 180)

so, from above two equations,

angle KAL = 90

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3 years ago
PLEASE HELP ASAP<br> How do you find the total for a purchase if there is sales tax?
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Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then find the value of y when x=12
lidiya [134]

Answer:

Step-by-step explanation:

If two variables are directly proportional, it means that an increase in the value of one variable would cause a corresponding increase in the other variable.

Given that y varies directly with x, if we introduce a constant of proportionality, k, the expression becomes

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