The answer is 23.2 because you use 29h=672.8
Answer:
The missing exponent is 15.
Step-by-step explanation:
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Two numbers that gives twice the sum of a number and 3 times a second number is 4. The difference of ten times the second number and five times the first is 90 are -10 and 4
Given :
Twice the sum of a number and 3 times a second number is 4. The difference of ten times the second number and five times the first is 90.
Let a and b be the two unknown numbers
Lets frame equation using the given statements
Twice the sum of a number and 3 times a second number is 4.
the difference of ten times the second number and five times the first is 90
Now use these two equations to solve a and b
Add both the equations
Now find out 'a'
The two numbers are -10 and 4
Learn more : brainly.com/question/13856304