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zaharov [31]
3 years ago
13

3. Simplify the expression:1+4(2x - 3)-xA. 9x - 3B. 9x - 15C. 7x - 2D. 7x - 11​

Mathematics
1 answer:
OLga [1]3 years ago
5 0

1+4(2x - 3)-x

Mutiply the bracket by 4

1+ (4)(2x)(4)(-3)-x

1+8x-12-x

8x-x+1-12 just rearranging

7x-11

Answer : D. 7x - 11

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So right now i'm doing "solving Inequalities" i need help with this question<br> 3v-12&gt;5v+10
LenKa [72]

Answer:

v < -11

Step-by-step explanation:

  1. Combine like terms: 3v - 5v > 12 + 10
  2. Simplify: -2v > 22
  3. Divide each side by -2 to cancel out the -2 next to v. It should now look like this: v < -11

I hope this helps!

7 0
3 years ago
Find the surface area of the regular pyramid
butalik [34]

Answer:

<h3 /><h3><em>surface are of the pyramid =(1/2×6×5.2)+(3×1/2×6×10) =15.6+90 =105.6 yd²</em></h3>
5 0
3 years ago
The waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between 00 and 66
Anna71 [15]
<span>You are given the waiting times between a subway departure schedule and the arrival of a passenger that are uniformly distributed between 0 and 6 minutes. You are asked to find the probability that a randomly selected passenger has a waiting time greater than 3.25 minutes.

Le us denote P as the probability that the randomly selected passenger has a waiting time greater than 3.25 minutes.
P = (length of the shaded region) x (height of the shaded region)
P = (6 - 3.25) * (0.167)
P = 2.75 * 0.167
P = 0.40915
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7 0
3 years ago
I need help plsssssssss and thank you!!!!!!
mezya [45]

Answer:

169.56

Step-by-step explanation:

The formula for finding the volume of a cylinder is: πr²h

First step: Plug in the radius and height: π•3²•6

Second step: Plug 3.14 for π: 3.14•3²•6

Third step: Simplify the equation: 3.14•9•6

Fourth step: Multiple to get your final answer: 3.14•9=28.26•6= 169.56

8 0
2 years ago
Select the correct answer.<br> Which statement describes the situation shown in the graph?
Lena [83]

Answer:

Xray vision, where is the graph you want answers like this?

Step-by-step explanation:

7 0
3 years ago
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