10 POINTS! Please help me on the attached file! I keep retaking this over and over again and haven't passed! :D

Answers

Answer 1

Answer: well 8 divided by 30 = .26 wich is one of the choices so that way might work.

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Arthur is organising his collection of DVDs. He has 112 altogether.The ratio of comedy films toaction to horror is 6 : 7 : 3How many of each type of DVD does he have?ComedyActionHorror

Glven a right triangle with the legs measuring 5 meters and 12 meters, use the Pythagorean theorem to solve for the hypotenuse. 12 meters
13 meters
14 meters
15 meters

Answers

Answer:

15 meters

Step-by-step explanation:

Hypotenuse: 15 meters

Please help fast!! I'll rate,Thanks&Mark brainliest!1.
Which is a simplified form of the expression -4(n + 1) – (n + 2)?
A. 2n + 3
B. -3n – 2
C. -4n – 5
D. -5n – 6

2.Which is a simplified form of the expression 3a + 7 – a – 7?
A. 2a
B. 4a
C. 2a + 14
D. 4a – 14

3.Which is a simplified form of the expression -2(x – 9) – x?
A. -3x + 18
B. 3x – 18
C. x – 9
D. x + 18

4.Which is a simplified form of the expression -5(y – 2) – 7y?
A. –12y + 10
B. 2y – 10
C. -2y + 10
D. 12y – 10

5.
Which is a simplified form of the expression -3x – 1 – 5x + 4?
A. -2x + 3
B. 2x – 5
C. 8x – 5
D. -8x + 3

6.
Which is a simplified form of the expression -7y – (2y + 4)?
A. -9y + 4
B. -9y – 4
C. -5y – 4
D. -5y + 4

7.Which is a simplified form of the expression 6(2t – 3) + 3(t + 5)?
A. 11t – 2
B. 12t – 8
C. 9t – 2
D. 15t – 3

8.Which is a simplified form of the expression -4(3r – 2) – 2(r + 1)?
A. 4r – 1
B. 10r – 7
C. -14r + 6
D. -12r – 1

9.
Which is a simplified form of the expression -6a + 2(2a + 2)?
A. -2a + 4
B. -2a – 4
C. 2a + 4
D. 2a – 4

10.Which is a simplified form of the expression -3p – 4 + 4p + 8?
A. -p – 4
B. 2p – 4
C. p + 4
D. 7p + 4
Please help fast! I promise i'll mark branliest,rate 5 and click Thanks!

Answers

1.b
2.a
3.d
4.b
5.a
6.c
7.b
8.d
9.c
10.d

1.D
2.A
3.A
4.A
5.D
6.B
7.D
8.C
9.A
10.C
;)

Why would "-7" in the expression (x^2+3)-(x-7) become positive?(This is a genuine question not a test one)

Answers

You would use the distributive property with the negative. So the second x becomes negative, but since the 7 is already negative it becomes positive. Think of it as if you put the two dashes together you can make a plus sign.

Answer:

x is the variable that's representing a number so -7 would not become posting

Please help me with with this science question

How does potassium dihydrogen phosphate affect soil, water, and air?

What's the answer to 16x-10y=10
-8x-6y=6

Answers

$\begin{cases} 16x-10y=10 \n -8x-6y=6 \ \ /*2\end{cases}\n \n\begin{cases} 16x-10y=10 \n -16x-12y=12 \end{cases}\n + --------\n -22y=22 \ \ /:(-22) \n \n y=-1$

$16x-10*(-1)=10\n \n16x+10=10\n \n16x=10-10\n \n16x=0 \n \nx=0 \n \n \begin{cases}x=0 \n y=-1\end{cases}$

You have an aquarium in the shape of a rectangular prism. The base is 4 feet by 3 feet. The height is 2 feet. How many square feet of glass were used to build the aquarium? (The top of the aquarium is open.)

Answers

Since it is about only the outer part of the aquarium which is made of glasses we need to calculate the total surface area.

Surface area of the base = 4*3 = 12 square feet

Surface area of the shorter length of wall = 3*2 = 6 square feet
since it has another wall in opposite side. It has to be multiplied with 2.
6*2 = 12 square feet

Surface area of the longer length of wall = 4*2 = 8 square feet
since it has another wall in opposite side. It has to be multiplied with 2.
8*2 = 16 square feet

Therefore the total surface area that need to be covered with glasses
12+12+16 = 40 square feet

Bryce has 100 beads he has 4 friends how many beads does his friends get?

Answers

You would just take 100 divided by 4 which equals 25.

each friend gets 25 beads