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Vera_Pavlovna [14]
3 years ago
10

How are coordinate planes the same ???? 22 points if u can answer

Mathematics
2 answers:
Natalka [10]3 years ago
3 0

Answer: Its a trick question

Step-by-step explanation:

I did this yesterday

Juliette [100K]3 years ago
3 0

Answer:

They are the same because they all have an X-axis and a Y-axis

Step-by-step explanation:

sorry if im wrong lol

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Which pair of ratios is proportional?
malfutka [58]
To see if a pair of ratios is proportional... you need to compute for its cross products. If the cross products are equal then they are proportional.

a/b = c/d where ad = bc

a) 4/9 = 16/45 ⇒ 4*45 = 9*16 ⇒ 180 = 144 NOT PROPORTIONAL

b) 5/12 = 25/144 ⇒ 5*144 = 12*25 ⇒ 720 = 300 NOT PROPORTIONAL

c) 12/18 = 18/27 ⇒ 12*27 = 18*18 ⇒ 324 = 324 PROPORTIONAL

d)15/20 = 7/10 ⇒ 15*10 = 20*7 ⇒ 150 = 140 NOT PROPORTIONAL
7 0
3 years ago
I need help with my work
butalik [34]

Answer:

D

Step-by-step explanation:

Given

(x - 5)³ = (x - 5)(x - 5)(x - 5)

Expand (x - 5)(x - 5) using FOIL then multiply the result by (x - 5)

(x - 5)(x - 5)

= x² - 5x - 5x + 25 = x² - 10x + 25, then

(x - 5)(x² - 10x + 25)

= x(x² - 10x + 25) - 5(x² - 10x + 25)

= x³ - 10x² + 25x - 5x² + 50x - 125 ← collect like terms

= x³ - 15x² + 75x - 125 → D

4 0
3 years ago
This is algebra 1 math problem <br>f (×)=2/5x+10
Alina [70]
To find the inverse, interchange the variables and solve for y.

f^−1(x)=−25+5x/2
3 0
3 years ago
What is the value of 6/x+2x^2, when x=3
Elden [556K]

Answer:

20

Step-by-step explanation:

6/x + 2x²

6/3 + 2(3)²

2 + 2(9)

2 + 18

20

4 0
3 years ago
how do I figure out the area of a rectangle where the distance around the rectangle is 12.5 kilometers for 5th grade math
Anvisha [2.4K]
Width times length is how you find the answer
8 0
4 years ago
Read 2 more answers
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