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The new expression is 4.8d - 4.2c
<u>Explanation:</u>
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Given:
Expression = (-7c + 8d) 0.6
On multiplication we get:
-4.2c + 4.8d
Therefore, the new expression is 4.8d - 4.2c
Answer:
90 and 8
Step-by-step explanation:
The question is : the sum of two numbers is 98 and their difference is 82 find the two numbers
Let two numbers are x and y.
Sum of two numbers is 98
x+y = 98 ....(1)
The difference of two numbers is 82.
x-y=82....(2)
Adding equation (1) and (2) we get :
x+y+x-y=98+82
2x=180
x=90
Put the value of x in equation (1)
90+y = 98
y = 8
Hence, the two numbers are 90 and 8.
Answer:
8
Step-by-step explanation:
Let's call the missing side as x
Base on the pythagorean theorem, we have :
17² - 15² = x²
289 - 225 = x²
x² = 64
So, x equals 8.
Hope it helps