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Alja [10]
3 years ago
15

Perform the operation (5x^2 – 9) + (-10x + 7)

Mathematics
2 answers:
Stels [109]3 years ago
8 0

Answer:

5x^2−10x−2

Step-by-step explanation:

I hope this is what you are looking for I just added (5x^2 – 9) + (-10x + 7)

svlad2 [7]3 years ago
5 0
I got 5x^2-10x-2. I hope it’s correct!
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A granola bite contains 27 calories. Most of the calories come from c grams of carbohydrates. The rest come from other ingredien
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Answer:

a. 5 represents the number of calories that come from other ingredients.

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c. <em>c = 5.5</em>

Step-by-step explanation:

We are given the equation:

4c + 5 = 27

Where c represents the grams of carbohydrates

27 is the total number of calories that are received by the granola bite.

4 is the number of calories from 1 gram of carbohydrates and

5 is the number of calories that are received from other ingredients.

Answer of Part a:

5 is the number of calories that are received from other ingredients.

Part b:

Let us take left hand side (LHS) and put values of c = 8 and 3 one by one.

So, LHS becomes:

4 \times 8 + 5 = 37 \neq RHS\ i.e.\ 27

4 \times 3 + 5 = 17 \neq RHS\ i.e.\ 27

So, Priya is correct that neither 8 or 3 could be solution.

Part c:

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So, solution to the equation is: <em>c = 5.5</em>

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