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3 years ago

8

Back in the day, the 8th graders from Greenwood Middle School went on a field trip to the NC Aquarium. Eleven students rode in c

ars with their parents and the rest filled eight buses. How many students were in each bus if 315 students were on the trip?

1 answer:

ehidna [41]3 years ago

3 0

38 students in each bus

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Which of the expressions below can be factored using the difference of<br> squares method?

zlopas [31]

Answer:

<em>The second choice is correct. It can be factored as:</em>

$9x^2-16y^2=(3x-4y)(3x+4y)$

Step-by-step explanation:

<u>The Difference of Squares Method for Factoring</u>

The expression:

$a^2-b^2=(a-b)(a+b)$

Is a widely used method to factor binomials that are expressed as the subtraction of two perfect squares.

The condition for a binomial to be factored by using this method is that both terms must have an exact square root and they must be subtracted.

The last two choices are not valid because they are not a subtraction but an addition.

The first choice is not valid because none of the terms is a perfect square.

The second choice is correct. It can be factored as:

$9x^2-16y^2=(3x-4y)(3x+4y)$

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3 years ago

Plane AXS intersects with which planes? More than 1 answer.

Nata [24]

Answer:

Options A and Option B

Step-by-step explanation:

All four sides AX, IX, IS and AS of the base are common in the four side walls of the prism.

In other words, edge AX is common in planes AXU and AXS,

Edge XI is common in planes XIB and AXS,

Edge SI is common in planes EBS and AXS,

Edge AS is common in planes CEA and AXS.

Therefore, plane AXS is intersecting planes AXU and EBS.

Options A and Option B are the correct options.

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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