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Akimi4 [234]
3 years ago
5

3x + 2 3 y - 15 < 0 The point (x, 9) is a solution for the inequality shown. What is a possible value for x?

Mathematics
2 answers:
aalyn [17]3 years ago
6 0

Answer:

The answer is 2

Step-by-step explanation:


love history [14]3 years ago
4 0

Answer:

x is any number less than -64; i.e. -66

Step-by-step explanation:

Inequality

3x + 23y - 15 < 0

where point (x,9) satisfies this

Substitute 9 for y

3x + 23(9) - 15 < 0

3x + 207 - 15 < 0

3x + 192 < 0       Take away 192 from both sides

3x < -192             Divide both sides by 3 to isolate x

x < -64


Check:

3(-64) + 23(9) -15 < 0

-192 + 207 - 15 < 0

-192 + 192 < 0

Therefore x must be less that -64 to satisfy the point (x, 9) in this inequality.

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Answer:

<em>To travel 20 Km, the hybrid car needs 0.3125 gallons of fuel.</em>

Step-by-step explanation:

<u>Proportions</u>

The hybrid car can travel 40 miles per gallon.

Since one mile is equivalent to 1.6 Km, the distance traveled per gallon is 40*1.6 = 64 Km.

Now the distance is expressed in Km, we can find the gallons needed to travel 20 Km, by calculating 20/64 = 0.3125.

To travel 20 Km, the hybrid car needs 0.3125 gallons of fuel.

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3 years ago
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Answer:

  A.  29.7

Step-by-step explanation:

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5 0
3 years ago
Someone help please <br> Set up a proportion and solve for AD
kifflom [539]

Answer:

AD = 10

Step-by-step explanation:

7 0
2 years ago
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Answer:

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Step-by-step explanation:

8 0
3 years ago
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Georgia [21]

Answer:

C

Step-by-step explanation:

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