3 years ago

PLEASE HELP ME 30 POINTS DONT GUESS BECAUSE IT IS VERY IMPORTANT!!!!!!

2 answers:

8 0

A pair of elements a, b having the property that ( a, b) = (u, v ) if and only if a = u, b = v.

OleMash [197]3 years ago

7 0

First one is D, because an ordered pair is (x,y)

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Solve for x: x - 10 = -12 A. 2 B. -2 C. 22 D. -22

Sindrei [870]

Add 10 to both sides. X is 2. A.

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3 years ago

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What is this?!? worth 10 points!

GREYUIT [131]

d. 24 I'm pretty sure

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3 years ago

Suppose that 71% of the surface of the Earth is covered in water, and a random number generator uses latitude and longitude to s

erik [133]

Answer:

.00059 or .0006

Step-by-step explanation:

You are trying to find what won't be in the water because there are many combinations so you use a complement formula.

1-0.79=0.29

Use the left over percentage in an equation to determine the probability.

$1-(0.29)^6=0.000594823$

The exponent 6 comes from the number of locations.

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3 years ago

Explain it hank needs 3 quarters to play one video game each time.if he has 14 quarters, how many timed can he play? Explain.

ratelena [41]

The answer is is 4 times. 
The reason it is 4 is because 3 times 4 is 12 and 12 is less than 14. If you did 3 quarters times 5, you would get 15, going over the limit.

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3 years ago

4. The reference angle for 190 is A. 10° B. 180° C. -10° D. 90°

Nookie1986 [14]

Answer: A

Step-by-step explanation: A reference angle is smallest possible angles that terminal side makes with the x- axis. Since 190 degrees is located i the 3rd quadrant we use the formula 190-180 to find the possible answer and in this case it is A, 10.

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2 years ago