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Basile [38]
3 years ago
5

I need these done right

Mathematics
1 answer:
Aleks04 [339]3 years ago
7 0

Answer:

13. 20 + (-15) = 5 -- in total he kept 5 pounds

14. -28 + 38 = 10 -- the temperature changed by 10º over 12 hours

15. 100 + (-72) + 48 = 76

Step-by-step explanation:

13. since he gained 20lbs, then lost 15, add -15 to 20 to get 5, the amount of pounds he kept on him

14. the temperature starts at -28º then goes up 38º, so add 38 to -28.

15. the ramp goes up 100, (+100) then down 72, (-72) and then up another 48 (+48) as equation this would be 100 + (-72) + 48

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Can you help me with this ,please?​
lana [24]
First one and the last one are rational. And the other two of them are irrational.
8 0
2 years ago
in a game involving a pair of fair dice a player rolls the dice until he gets a sum of 7 let z equal the number of rolls it take
Anarel [89]

Answer:

z = 36 rolls , probability for getting 7 = 1/6

Step-by-step explanation:

A die has 6 possible outcomes, which sums to 36 for two dice for every value on both dice.

The outcomes for rolling both dice for 36 times gives 6 possible outcomes summing to 7, that is, (1, 6), (2, 5), (3, 4), (4, 3), (5, 2), and (6, 1).

There the probability of getting a sum dice of 7 is:

= 6 / 36 = 1/6

8 0
3 years ago
PLEASE HELP ME I DONT UNDERSTAND!
Salsk061 [2.6K]

We know that

\sf Slope=\dfrac{y_2-y_1}{x_2-x_1}

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2 years ago
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kow [346]

Answer: B.1/6 quarts

Step-by-step explanation:

3/4 Minutes = 1/8 Juice

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Making B your answer

6 0
3 years ago
I need help what is this?
zhuklara [117]

Answer:

picture from Goldbach's conjecture.

Step-by-step explanation:

Goldbach's conjecture is one of the oldest and best-known unsolved problems in number theory and all of mathematics. It states:

Every even integer greater than 2 is the sum of two primes.

The conjecture has been shown to hold for all integers less than 4 × 10^18, but remains unproven despite considerable effort.

So on the red and blue axes you see primes. The list of black numbers are even numbers.

8 0
3 years ago
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