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d1i1m1o1n [39]
2 years ago
11

Please help me I don't understand this at all

Mathematics
1 answer:
Kobotan [32]2 years ago
8 0

Step-by-step explanation:

180 degrees ok.

height of the goal is 90

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Rephrase in contrapositive form:
miv72 [106K]

Step-by-step explanation:

Consider the provided information.

For the condition statement p \rightarrow q or equivalent "If p then q"

The rule for Contrapositive is: Negative both statements and interchange them. \sim q \rightarrow \sim p

Part (A) If you are taller than 6 ft, then it is unpleasant for you to travel in economy class.

Here p is "you are taller than 6 ft, and q is "it is unpleasant for you to travel in economy class".

It is given that Your contrapositive must not contain explicit references to negation. Assume that the negation of "unpleasant" is "pleasant".

Contrapositive: If it is pleasant for you to travel in economy class then you are not taller than 6 ft then.

Part (B) "If x ≥ 0 and y ≥ 0 then xy ≥ 0" where x, y are real numbers.

Here p is "xy≥ 0, and q is "x ≥ 0 and y ≥ 0"

The negative of xy≥ 0 is xy<0, x ≥ 0 is x<0 and y ≥ 0 is y<0.

Remember negative means opposite.

Contrapositive: If xy < 0 then x<0 and y<0.

8 0
3 years ago
Elimination method for x+y=5 and x+4y=14
Genrish500 [490]
I hope this helps you



-[x+y=5]


-x-y=-5
x+4y=14


-x-y+x+4y=-5+14


3y=9 y=3 x=2
4 0
4 years ago
Jill pays $16,000 for shares in a new company. She sells the shares 8 years later for
Alex73 [517]
16,000 paid

8 years passed

12,000 returned

-4000 difference

-4000/16,000 x 100%

-25% (Answer)

6 0
3 years ago
Which decimal is equal to3/5 ? A. 0.3 B. 0.35 C. 0.6 D. 3.50
Zepler [3.9K]
The answer is B. 0.6
5 0
4 years ago
Read 2 more answers
4. Simplify (2 – 3x)(3x2 - 2x -1).
storchak [24]

Answer:

--9x^3+12x^2-x-2

Step-by-step explanation:

(2-3x)(3x^2-2x-1)

6x^2-4x-2-9x^3+6x^2+3x

-9x^3+6x^2+6x^2+3x-4x-2

-9x^3+12x^2-x-2

4 0
4 years ago
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