This is about slope

Answers

Answer 1

Answer: Ok the slope question
We should definitely know the slope formula:

m=y₂-y₁/x₂-x₁

m= $(-2-2)/(-1-(-4))$
= $(-4)/(3)$

The slope of the line that passes through points (-4, 2) and (-1, -2) is $(-4)/(3)$

Answer 2

Answer: Please see the pic, I'd also solved it.

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Based on the work shown to the left, which ofthese values are possible solutions of the
equation? Check all of the boxes that apply.

Answers

Answer:

A, D

Step-by-step explanation:

edge 2021

Answer:

sorry i cant answer without the picture it wont make sense.

What is 2v+7=3 of this equation

Answers

$2v+7=3 \n\n 2v=3-7 \n\n 2v=-4 \ \ |:2 \n\n \boxed{v=-2}$

2v + 7 = 3
- 7 - 7
2v = - 4
v = - 2

Earlier this year in a drug bust in Shanghi, China, police seized 2.4 tons of methamphetamines. If a typical dosage is 50mg, how many doses is that bust, which the Chinese police prevented from being sold to the public?

Answers

2.4 tons=2.4 tons*(1,000 Kg / 1ton)*(1,000,000 mg / 1 kg)=
=2,400,000,000 mg=2.4 x 10⁹ mg

Now, we solve this problem by the rule of three.

50 mg ---------------------1dose
2.4x10⁹ mg---------------- x

x=(2.4 x 10⁹ mg * 1 dose) / 50 mg=48,000,000 doses.

Answer: 48,000,000 doses

3/2 divided 1/4=n then n is between

Answers

3/2 ÷ 1/4= n

n(3/2) (4/1) = n

n= 12÷2

Which gives you six.

4(4x + 3) + 6(2 - x) - 3(2x - 1) = 19

Answers

your answer is -2.
4(4x+3)+6(2-x)-3(2x-1)=19
4*4x=16x
4*3=12
6*2=12 and 6*x=6x
-3*2x=-6 and -3*-1=-3. then collect
like term. is long just cant type it but that is your answer

4(4x + 3) + 6(2 - x) - 3(2x - 1) = 19 the answer would be -2

Simplify completely the quantity x squared plus x minus 12 over quantity x squared minus x minus 20 divided by the quantity 3 x squared minus 24 x plus 45 over quantity 12 x squared minus 48 x minus 60.

Answers

x² + x - 12 / x² - x - 20 ÷ 3x² - 24x + 45 / 12x² - 48x - 60

x² + x - 12 / x² - x - 20 * 12x² - 48x - 60 / 3x² - 24x + 45

(x² + x - 12)(12x² - 48x - 60)
(x² - x - 20)(3x² - 24x + 45)

12x^4 - 48x³ - 60x² + 12x³ - 48x² - 60x - 144x² + 576x + 720
3x^4 - 24x³ + 45x² - 3x³ + 24x² - 45x - 60x² + 480x - 900

12x^4 - 48x³ + 12x³ - 60x² - 48x² - 144x² - 60x + 576x + 720
3x^4 - 24x³ - 3x³ + 45x² + 24x² - 60x² - 45x + 480x - 900

12x^4 - 36x³ - 252x² + 516x + 720
3x^4 - 27x³ + 9x² + 435x - 900

12(x^4 - 3x³ - 21x² + 43x + 60)
3(x^4 - 9x³ + 3x² + 145x + 300)

4(x^4 - 3x³ - 21x² + 43x + 60)
(x^4 - 9x³ + 3x² + 145x + 300)

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PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!Factor x^2 + 2x - 15.A) (x - 5)(x + 3) B) (x - 5)(x - 3) C) (x + 5)(x + 3) D) (x + 5)(x - 3)

Penjabaran dari 3×+2(4×-6)

A physical fitness association is including the mile run in its secondary- school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 440 seconds and a standard deviation of 50 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 325 seconds.

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