Explain how to determine if the sum of two integers with different signs is positive or negative

1 answer:

7 0

The sum of 2 integers with different signs is the difference between the two integers, the sign will be the same as the sign of the bigger number.

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Solve the system by subtitution y = 3x + 18 y = 5x

elena-14-01-66 [18.8K]

Answer:

x=9

Step-by-step explanation:

y=3x+18=5x

thus 3x+18=5x

subtract 3x from both sides 18=2x

simplify for x x=9

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2 years ago

Both question need to be answer

Olin [163]

Answer:

Knowing others is intelligence; knowing yourself is true wisdom. mastering others is strength; mastering yourself is true power. if you realize that you have enough, you are truly rich, "And the cause of not following your heart, is in spending the rest of your life wishing you had."

Explanation:

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2 years ago

Which answers the graph ?

s344n2d4d5 [400]

$y+2\leq-\dfrac{2}{3}+4\ \ \ |-2\\\\y\leq-\dfrac{2}{3}x+2$

Answer: B. Graph B

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3 years ago

A water well is to be drilled in the desert where the soil is either rock, clay or sand. The probability of rock P(R)equals=0.

GaryK [48]

The tree diagram for the probability is shown below

P(Clay|Positive) is read 'Probability of Clay given the result is Positive'.

This is a case of conditional probability.

The formula for conditional probability is given as
P(Clay|Positive) = P(Clay∩Positive) ÷ P(Positive)

P(Clay∩Positive) = 0.21×0.48 = 0.1008

P(Positive) = P(Rock∩Positive) + P(Clay∩Positive) + P(Sand∩Positive)
P(Positive) = (0.53×0.53) + (0.21×0.48) + (0.26×0.75)
P(Positive) = 0.2809 + 0.1008 + 0.195
P(Positive) = 0.5767

Hence,
P(Clay|Positive) = 0.1008÷0.5767 = 0.175 (rounded to 3 decimal place)

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2 years ago

What ONE doesn't belong with the others, 60 mi/h, 88 ft/s, 500 ft/min, and 1,440 mi/day?

sp2606 [1]

500 feet does not belong

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2 years ago