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Ber [7]
2 years ago
9

Will mark brainlest please help

Mathematics
1 answer:
kodGreya [7K]2 years ago
3 0

Answer:

B) f(x) ≥ 3x + 4

g of x is less than or equal to negative one half times x minus 5

Step-by-step explanation:

hope it helps

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Let <em>q</em> be the number of quarts of pure antifreeze that needs to be added to get the desired solution.

8 quarts of 40% solution contains 0.40 × 8 = 3.2 quarts of antifreeze.

The new solution would have a total volume of 8 + <em>q</em> quarts, and it would contain a total amount of 3.2 + <em>q</em> quarts of antifreeze. You want to end up with a concentration of 60% antifreeze, which means

(3.2 + <em>q</em>) / (8 + <em>q</em>) = 0.60

Solve for <em>q</em> :

3.2 + <em>q</em> = 0.60 (8 + <em>q</em>)

3.2 + <em>q</em> = 4.8 + 0.6<em>q</em>

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<em>q</em> = 4

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Pleases complete the proof but with each step can you tell me which property of equality to use.
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Step-by-step explanation:

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a car travels 30 1/5 miles in 2/5 of an a hour. what if the average speed, in miles, per hour of the car?
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