MATHEMATICS HIGH SCHOOL

True or false? Help pls serious answers only
True or false? Help pls serious answers only - 1

Answers

Answer 1
Answer:

Answer:

true im pretty sure i tried my best but stay safe and wait for another response maybe someone else knows :)

Step-by-step explanation:
Answer 2
Answer:

Answer:

tttttttttttttttttttttt

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What is the value of x that makes the given equation true? ​2(x−8)=x+5x

If 12 mod 13=X mod 5 find the value of X​

Answers

Answer:

HI,

Step-by-step explanation:

12 mod 13=12

x \equiv 12 [5]\n\nx \equiv 2 [5]\n\n\nx\in 5*\mathbb{N}+2=\{2,7,12,17,22,27,32,37....\}

PLS HELP! DUE IN 10 MINS PLS!!!!!!!!!!!!!!!

Answers

Answer:

25 metres per second

Step-by-step explanation:

just divide 100 by 4 and you will get the answer.☺️☺️

Answer:

25 m/s

Step-by-step explanation:

train a travels at 12.5 m/s and will arrive at 100m in 7s.

train b arrives at the same distance, 100m, in 4s. so that means train b is going at 100m/4s and then simplify that

therefore train b is moving at 25m/s

What is the solution of the equation 14 x − 1 = 7?

3

2

2
32
36

Answers

To solve we need to isolate x.

Start by adding 1 to both sides:
4x-1+1=7+1
4x=8

Then divide both sides by 4:
(4x)/(4) = (8)/(4)
x=2
4x-1 =  7
   +1   +1
   4x = 8
     4    4 
    x = 2

What is 3-3×6+2 please help me

Answers

the answer to that is 2 can u plz place this answer as brainliest, thanks!
3-3X6+2

PEMDAS 
3-(3X6)+2
3-(9)+2
3-(11)
= -8
I THINK? I HOPE....

Help!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: Choice A

x < -3 or x > 1

=====================================================

Work Shown:

Solve the first inequality for x

3x+2 < -7

3x < -7-2 .... subtract 2 from both sides

3x < -9

x < -9/3 .... divide both sides by 3

x < -3

Do the same for the second inequality

-4x+5 < 1

-4x < 1-5

-4x < -4

x > -4/(-4) .... note the inequality sign flips

x > 1

So either x < -3 or x > 1. This points to choice A as the answer.

How do you factor this 8x^2+2x-21=0

Answers

8x^2+2x-21=0 \n \n 8x^2+2x + 12x -12x-21=0\n\n8x^2+ 14x -12x-21=0 \n \n 2x(4x+7)-3(4x+7)=0\n\n(4x+7)(2x-3)=0

4x+7=0 \ \ or \ \ 2x-3 =0 \n\n4x=-7\ \ or \ \ 2x=3\n\nx=(-7)/(4)\ \ or \ \ x=(3)/(2)
Solve it like this.. 
8x^2+2x-21=0
8x^2 + 14x - 12x -21=0
2x(4x+7) -3(4x+7) = 0
(4x+7)(2x - 3)=0

So factor 1 is 4x +7 =0 
i.e. x=-7/4

Factor 2 is 2x -3 =0
i.e x=3/2
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