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liraira [26]
3 years ago
6

Please help this is my last thing to do!!!

Mathematics
1 answer:
Lana71 [14]3 years ago
5 0

Answer:

area = 18x² + 63x + 55 square units

Second-degree trinomial.

Step-by-step explanation:

area = (3x+5)(6x+11) = 18x² + 63x + 55 square units

Second-degree trinomial.

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Use the box method to distribute and simplify (-5x-2)(-2x^2+6x).
Mkey [24]

Answer:

10x^{3} - 26x^{2} - 12x

Step-by-step explanation:

1)  Use the FOIL method: (a+b)(c+d)=ac+ad+bc+bd.

10x^{3} - 30x^{2} + 4x^{2} -12x

2)  Collect like terms.

10x^{3} + (-30x^{2} +4x^{2} )-12x

3) Simplify.

10x^{3} - 26x^{2} -12x

Therefor, the answer is, 10x^3 - 26x^2 - 12x.

3 0
2 years ago
Tracy needs to find the length and width of the equipment storage room where she works. The room is 2 meters longer than it is w
____ [38]

Answer:

3 meters

Step-by-step explanation:

We assume the storage room is a rectangle, like most rooms, no indication it is otherwise.

We know it's a rectangle and not a square because it is longer than wide.

We have the perimeter measurement (16 meters).

So, we can make the following equation:

2x + 2y = 16

x being the width of the room, y being it's length.  A perimeter is the sum of all sides.

We also know the room is 2 meters longer than wide... so:

y = x + 2

If we replace y in the first equation by its value relative to x, we get:

2x + 2(x + 2) = 16 which becomes

2x + 2x + 4 = 16

4x =12

thus x = 3

Width: 3 meters

Length: 5 meters.

Confirms the 16 meters perimeter.

5 0
3 years ago
Read 2 more answers
A teacher brought some apples to distribute among students. After distributing 19 pounds of apples, 3 pounds of apples were left
ozzi

Answer:

19 pounds of apple was shared and 3 pounds of apple were left to be shared for the students

A

5 0
3 years ago
Read 2 more answers
Keona pours 128 ounces of water into a jar 3 times to fill it. How many pints of water does it take to fill the jar?
Alex Ar [27]
42.66666 repeating value so 42.66666667
6 0
3 years ago
(geometry) PLZ HELP ASAP!
creativ13 [48]

Answer:

About 25.1 cubic meters

Step-by-step explanation:

The diameter of a circle is twice the radius, meaning that the radius of the base of this cone is 4/2=2 meters. The formula for the volume of a cone is:

V=\dfrac{1}{3} \pi r^2 h=\\\\\dfrac{1}{3} \cdot \pi \cdot 2^2 \cdot 6\approx 25.1

Hope this helps!

8 0
3 years ago
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