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defon
3 years ago
5

Evaluate the expression when b=4 and x= -5 -9x+b

Mathematics
1 answer:
irina1246 [14]3 years ago
3 0
-9x + b
-9(-5) + 4
45 + 4
49
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What is 9% of 42 pls help fast!
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Answer:

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Step-by-step explanation:

Percentage solution with steps:

Step 1: We make the assumption that 9 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$.

Step 3: From step 1, it follows that $100\%=9$.

Step 4: In the same vein, $x\%=42$.

Step 5: This gives us a pair of simple equations:

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Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

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Step 7: Taking the inverse (or reciprocal) of both sides yields

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