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pickupchik [31]
2 years ago
11

Which of the following is a factor of 2x2 - x-6?

Mathematics
1 answer:
makkiz [27]2 years ago
4 0
(2x+3) is the answer
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A cube with 2 inch sides is placed on a cube with 3 inch sides. Then a cube with 1 inch sides is placed on the 2 inch cube. What
Taya2010 [7]

Answer:

let's try the "Divide and Conquer" method, that is we break down the problem into pieces and solve each piece until we arrive at the answer.

the formula for the surface area of the cube is:

SA = 6s^2; s is the length of one side of the cube

for the 3-inch cube

SA = 6(3^2)

SA = 6(9)

SA = 54 in^2

note however, that the actual surface area is less the area occupied by the 2-inch cube place on the 3-inch cube, which is

A = s^2; since this is a square

A = 2^2

A = 4 in^2

the actual SA (aSA) therefore of the 3-inch cube is

aSA = 54 - 4 = 50 in^2

for the 2-inch cube

SA = 6s^2

SA = 6(2^2)

SA = 6(4)

SA = 24 in^2

to solve for the actual SA of the 2-inch cube, we subtract the area which is in contact with the 3-inch cube and the 1-inch cube

aSA = 24 - 2^2 - 1^2

aSA = 24 - 4 - 1

aSA = 19 in^2

for the 1-inch cube

SA = 6s^2

SA = 6(1^2)

SA = 6 in^2

the actual surface area is less the area in contact with the 2-inch cube

aSA = 6 - 1^2

aSA = 5 in^2

the surface area of the three cube tower will just be the sum of the aSA of the three cubes

SA = 50 + 19 + 5

SA = 74 in^2   ans

Step-by-step explanation:

5 0
3 years ago
Suppose you want to simulate surveying 100 people to find the date of the month (1st, 2nd, 3rd, . . .) each was born. You decide
ANTONII [103]

Answer:

No, because for the 12 months in the year each date is not equally likely.

Step-by-step explanation:

Not all months have 31 days, meaning that numbers as high as 31 will not be as common.

4 0
3 years ago
Paul overdrew his bank account by $50, deposited $100, and wrote a check for
timurjin [86]

Answer:

-50 + 100 - 30 = x

hope this helps

plz mark brainliest

7 0
3 years ago
Type the integer that makes the following subtraction sentence true:<br> _____ − –99 = 3
yarga [219]
Your answer should be 102
8 0
2 years ago
Read 2 more answers
Which expression is equivalent to 3(6m)+m<br> 3<br> 6<br> m<br> +<br> m<br> ?
svetlana [45]

Answer:

some Equivalent expressions to 3(6m)+m is;

18m+m

6(3m)+m

2(9m)+m

19m

Step-by-step explanation:

6 0
2 years ago
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