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Marrrta [24]
3 years ago
15

there are 8 students at each of 4 rounds of tables in the cafeteria. there are 64 students at long tables. use the bar model to

write and solve an equation to find how many students there are in the cafeteria
Mathematics
1 answer:
Tomtit [17]3 years ago
4 0

Step-by-step explanation:

there should be at least

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<h3>Answer: Choice D</h3>

======================================================

Explanation:

The inequality sign has an "or equal to", which means the boundary line will be solid. We can rule out choices B and C because they have dashed boundary lines.

A solid boundary line means that points on the boundary are part of the solution set.

Now let's see what happens when we plug in a point like (x,y) = (4,0). This will tell us how to shade the blue region.

-5x + 4y \ge -1 \\\\-5(4) + 4(0) \ge -1 \\\\-20 \ge -1 \\\\

This is false because -20 is not larger than -1. It's the other way around.

This tells us the point (4,0) is not in the blue shaded region, and it's not on the boundary line either. We can rule out choice A because of this.

The only thing left is choice D, which is the final answer. I recommend plugging a point from this region into the inequality to confirm we have a true statement.

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3 years ago
Please help me w this question!! I’m so confused!!
expeople1 [14]

Answer:

coefficient is 128 and exponent is 8

Step-by-step explanation:

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Answer: He would spend 750$ on the entire vacation.

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