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german
4 years ago
7

Use a geometric model to factor 2x2 - x - 1 by following

Mathematics
1 answer:
Ray Of Light [21]4 years ago
7 0

Answer: It is not a perfect rectangle

Step-by-step explanation: Put 2 x2 tiles side by side horizontally then place an -x tile be side it then an - tile next to the x tile

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mixas84 [53]
35 ft below surface level: -47+12=-35
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3 0
3 years ago
PLEASE HELPP!!!! 30 POINTS!!!
Scrat [10]

Answer:

The perimeter of triangle ABC is 33.

Explanation:

AY = 7 is half of the line of XY so we would then multiply 7 by 2:

7 x 2 = 14

and we would then do this to all of our numbers:

8 x 2 = 16

18 x 2 = 36

now we make a full equation for the answer of the perimeter of triangle XYZ:

14 + 16 + 36 = 66

66 is the perimeter of triangle XYZ.

We would then divide this answer by 2 to find the perimeter of ABC because it is half of XYZ:

66 ÷ 2 = 33

The perimeter of triangle ABC is 33

Hope this helps! :)

6 0
3 years ago
Find the complete factored form of the polynomial: 25mn^2 +5mn
Leona [35]

25mn^2 +5mn =5mn(5n+1)

6 0
4 years ago
Two containers designed to hold water are side by side, both in the shape of a cylinder. Container A has a diameter of 26 feet a
pychu [463]

Answer:

First, let's work out the V of container A and B

V_A = pi x (diameter/2)^2 x height = pi x (26/2)^2 x 14 = 2366 pi (ft3)

V_B = pi x (diameter/2)^2 x height = pi x (18/2)^2 x 15 = 1215 pi (ft3)

After pumping water from container A to container B until B is full:

The empty space inside container A would be:

V_empty = V_A - V_B = 2366 pi (ft3) - 1215 pi (ft3) = 1151 pi (ft3) = ~3615.97 (ft3)

3 0
4 years ago
Read 2 more answers
5a + 8 = 62 True or False?
IgorC [24]

Answer: depending on what a equals

Step-by-step explanation:

5 0
3 years ago
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