Are these lines parallel or perpendicular or neither Line 1 (1,7)(-3,-5)
Line 2 (-6,2)(-8,9)

Answers

Answer 1

Answer:

they are all perpendicular lines i made a graph on my paper and labled it with the coordinantes

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What is 2.0124 rounded to the nearest thousandths?
If 4x-3/7 which of the following is the inverse of f(x)

4. Resolva as seguintes equações do primeiro grau com uma incognitaa) 4x + 2 = 38
b) 9x = 6x + 12
c) 5x - 1 = 3x + 11
d) 2x + 8 = x + 13
5. Um retangulo com 100 cm de perímetro apresenta a medida do lado maior com 10 cm a mais que o lado menor. Quanto mede o lado menor dessa figura geométrica?

Answers

Answer:

4. a)

5. shorter side of the rectangle measures 20 cm.

Step-by-step explanation:

Answer:

Step-by-step explanation:

when doing inequalities, when would I know when to switch the sign/symbol (by symbols I mean; < and >)

Answers

you don't switch it unless for example 7<x the X has to be on the other side X>7

What is the slope of this line?

Answers

The slope of this line is -1 because it goes down one and to the right one

Slope = (y2-y1)/(x2-x1)
Well use the two points: (-2,0) , (0,-2)
Slope = (-2 - 0) / (0 - -2)
Slope = (-2) / (2)
Slope = -1

PLEASE HELP THERE A FEW QUESTIONS THAT I NEED HELP I BEG YOU I NEED HELP

Answers

the first one is A. because it can all be divided by 4 and when you divided it also the exponents are subtracted.

second one is B. this one can be simplifide by doing the F.O.I.L. trick.

and last one is B also. because it's the only one that has a logic answer. if you were to F.O.I.L. it it would give you the answer but if you were to F.O.I.L. the others then you will find out the others don't add up.

hope this can work.

The answer of the first question is the FIRST one which is
(4b³ + 1) / 5b
The answer of the second question is the SECOND one which is
(x² + x - 2) / (x² - 4x + 3)
The answer of the third question is the SECOND one which is
[2(x+2)(x+4)] / [2(x+6)(x-6)]

How can you use a quick picture to solve 3 x 2.7

Answers

by saying to yourself what is 3×7 then 3×2 and you have yor answer

3 x 2.7 = 8.1

the answer is 8.1

In how many ways can 10001 be written as the sum of two primes?a.0
b.1
c.2
d.3
e.4

Answers

a. 0
If the sum of two numbers is odd, one number must be even and the other number must be off, because all primes except 2 are off, 2 must be one of the summands, because 10,001 = 2+9999, and 9 x 1111 is not prime, so there are no solutions.

Final answer:

10001, being an odd number, cannot be expressed as the sum of two prime numbers following the Goldbach's conjecture in mathematics. Hence, the answer is 0 ways.

Explanation:

The question asks in how many ways can 10001 be written as the sum of two primes. This question relates to the concept of Goldbach's conjecture in mathematics, which states that any even integer greater than 2 can be written as the sum of two primes. Since 10001 is an odd number and greater than 2, the conjecture doesn't apply, hence there isn't any way to represent 10001 as the sum of two prime numbers. So, the answer is option a. 0.