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dezoksy [38]
2 years ago
13

If f(x) = -x^2 +x-5, what is f(-3)

Mathematics
1 answer:
olya-2409 [2.1K]2 years ago
8 0

Answer:

f(-3) = 11

Step-by-step explanation:

f(x) = -x² + x - 5

f(-3) = -(-3)² + (-3) - 5

f(-3) = 9 - 3 + 5

f(-3) = 11

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3 years ago
27x + 24y= 4.5<br><br> 1.5x + y =0.225
Goryan [66]

Answer:

x = 0.1, y = 0.075

Step-by-step explanation:

Given the 2 equations

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1.5x + y = 0.225 → (2)

Multiplying (2) by - 24 and adding to (1) will eliminate the y- term

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Add (1) and (3) term by term to eliminate y

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3 0
3 years ago
Read 2 more answers
Ining How to Verify an Answer
Talja [164]
No she did the Division wrong because she got 5 1/2 for her multiplication it so she should recheck and try the multiplication over to get the answer right
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