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Vikki [24]
2 years ago
7

How many cubes with side lengths of cm does it take to fill the prism?

Mathematics
1 answer:
Sophie [7]2 years ago
5 0
The answer is Stan twiceushisnsskkemr
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Find f(2x) when f(x)=3x^2+2x-2
bonufazy [111]

Answer:

C.

6 {x}^{2}  + 4x - 4

Step-by-step explanation:

2(3 {x}^{2}  + 2x - 2) \\ 6 {x}^{2}  + 4x - 4 \\

5 0
2 years ago
PLEASE HELP QUICK!! WILL OFFER 100 POINTS TO THE FIRST ONE THAT ANSWERS
Reil [10]

Given

x+1 = \sqrt{7x+15}

We have to set the restraint

x+1\geq 0 \iff x \geq -1

because a square root is non-negative, and thus it can't equal a negative number. With this in mind, we can square both sides:

(x+1)^2=7x+15 \iff x^2+2x+1=7x+15 \iff x^2-5x-14 = 0

The solutions to this equation are 7 and -2. Recalling that we can only accept solutions greater than or equal to -1, 7 is a feasible solution, while -2 is extraneous.

Similarly, we have

x-3 = \sqrt{x-1}+4 \iff x-7=\sqrt{x-1}

So, we have to impose

x-7\geq 0 \iff x \geq 7

Squaring both sides, we have

(x-7)^2=x-1 \iff x^2-14x+49=x-1 \iff x^2-15x+50 = 0

The solutions to this equation are 5 and 10. Since we only accept solutions greater than or equal to 7, 10 is a feasible solution, while 5 is extraneous.

7 0
3 years ago
-)) Aiden ordered a set of beads. He received 150 beads in all. 24 of the beads were brown. What
vesna_86 [32]

Answer:

16 %

Step-by-step explanation:

(24/150) . 100 = 16

5 0
2 years ago
Given any two numbers,which is greater,the LCM of the numbers or the GCF of the numbers? Why?
choli [55]
The answer is GCF because you need to choose tha same number for both numbers and that number has to make both of them equal and the number is gonna be greater!
5 0
3 years ago
When you add 5x+3y to x-3y and -3 to -15, how do you know that the resulting sums are equal?
Westkost [7]

Answer:

6x - 18

Step-by-step explanation:

5x + 3y + x- 3y +(-3) + (-15)

6 0
3 years ago
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