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Ainat [17]
3 years ago
7

Help ASAP!!!

Mathematics
1 answer:
RideAnS [48]3 years ago
4 0

Answer:

True

Step-by-step explanation:

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Which terms in the expression 9d2+15d3+11c2+7 have 14c2 as a like term?
KatRina [158]
That would be the term 11c2 because like 14c2, 11c2 has a constant, a variable and raised to the power of 2.
3 0
2 years ago
Help me please I can’t figure it out
Wittaler [7]

Answer:

2 m

Step-by-step explanation:

The bottom length of the bottom cuboid is equal to the top length of the bottom cuboid.

8 = 3 + c + 3

8 = c + 6

8 - 6 = c

2 = c

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There are many cylinders with a height of 9 inches. Let r represent the
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Answer: 1- 9

2-36

3-81

Step-by-step explanation:

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2 years ago
Please help me as I need this by today
sdas [7]
The system shown at the right has no solution, as the grahs never intersect.
On the other hand, the line and the parab. at the left do intersect, and the points of intersection are (-3,0) and (6,6).
6 0
3 years ago
Consider the following problem: A farmer with 750 ft of fencing wants to enclose a rectangular area and then divide it into four
gregori [183]

Answer and step-by-step explanation:

For any rectangle, the one with the largest area will be the one whose dimensions are as close to a square as possible.

However, the dividers change the process to find this maximum somewhat.

Letting x represent two sides of the rectangle and the 3 parallel dividers, we have 2x+3x = 5x.

Letting y represent the other two sides of the rectangle, we have 2y.

We know that 2y + 5x = 750.

Solving for y, we first subtract 5x from each side:

2y + 5x - 5x = 750 - 5x

2y = -5x + 750

Next we divide both sides by 2:

2y/2 = -5x/2 + 750/2

y = -2.5x + 375

We know that the area of a rectangle is given by

A = lw, where l is the length and w is the width.  In this rectangle, one dimension is x and the other is y, making the area

A = xy

Substituting the expression for y we just found above, we have

A = x(-2.5x+375)

A = -2.5x² + 375x

This is a quadratic equation, with values a = -2.5, b = 375 and c = 0.

To find the maximum, we will find the vertex.  First we find the axis of symmetry, using the equation

x = -b/2a

x = -375/2(-2.5) = -375/-5 = 75

Substituting this back in place of every x in our area equation, we have

A = -2.5x² + 375x

A = -2.5(75)² + 375(75) = -2.5(5625) + 28125 = -14062.5 + 28125 = 14062.5

6 0
3 years ago
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