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kherson [118]
3 years ago
12

Can someone please help. I have trouble with this.

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0
1) 16x^2-8x+5
2) -2x^3+10x^2+18-6x
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Please help! Select all that apply. Write the letter of your answer. V = Iwh
Delicious77 [7]

Answer:

C.

D.

E.

Step-by-step explanation:

Formula for volume of a cuboid = lwh. where l is the length, w is the width and h is the height.

Using this equation we can answer the question by using the values given.

V = (2y+4)(2y-4)(3y) = (4y^2-16)(3y) = 12y^3-48y

From the list of answers, we can compare each one to the answer we got and see if they match up.

The answers that match up are:

C. 12y^3-48y - it is exactly like the answer we got.

D. 3y(4y^2-16) = 12y^3-48y - if we simplify the brackets, it is exactly like the answer we got.

E. (2y+4)(6y^2-12y)=12y^3-24y^2+24y^2-48y=12y^3-48y - once again, if we simplify the brackets it is like the answer we got.

None of the other answers are correct as they do not match up with the answer we got.

8 0
3 years ago
Which one of these grids is shaded red and blue in the ratio 0.5:1?
Nina [5.8K]

Answer:

C

Step-by-step explanation:

0.5 red : 1 blue

1 red : 2 blue

1.5 red : 3 blue

2 red : 4 blues

2.5 red : 5 blue

3 red : 6 blue

3.5 red : 7 blue

4 red : 8 blue

(per every half a red, there is one whole blue)

C has 4 red and 8 blue

0.5 red x 8 blue = 4 red

1 blue x 8 blue = 8 blue

7 0
3 years ago
A coin is tossed and lands on heads. Then a die is rolled and lands on 6. Does the outcome of the roll of the die depend on the
Anettt [7]
No; both objects have different probability rates . a coin is 1/2 where as a dice is 1/6
5 0
3 years ago
T = 0.85(30a + 150) need answer qick
4vir4ik [10]
Multiply 0.85 by 30a then multiply 0.85 and 150 and you should get your answer
3 0
3 years ago
Read 2 more answers
What do you call the pairs of roots of quadratic<br> equation with complex solutions?<br> Math
MissTica
Imaginary numbers
Imaginary numbers contain complex solutions (a +- bi)
5 0
3 years ago
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