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Ket [755]
3 years ago
7

Which expression is equivalent to (7x^2-4)(5x+7)

Mathematics
2 answers:
zepelin [54]3 years ago
8 0

Expand to get 35x^3+49x^2-20x-28


Nadusha1986 [10]3 years ago
5 0

Answer:

3x(3x + 2)

Step-by-step explanation:


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The level of a lake was 8 inches below normal. It decrease 1 1/4 inches in June and 2 3/8 inches more in July. What was the new
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Answer:

Step-by-step explanation:

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the initial level is below normal so it is represented by a negative number. the level continued to decrease in June and July so those changes are also represented by negative numbers. find the sum of these values to find what the new level was with respect to the normal level

2

write the mixed numbers as improper fractions

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get common denominator

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add the numerators since all the numbers are negative and have a common denominator. write the improper fraction as a mixed number

3 0
2 years ago
If the die were to be rolled 6000 times, would we expect to obtain exactly 1000 '2's? explain your answer.
ludmilkaskok [199]
The probability of that occurring is 0%. There are 6 sides in a typical dice, which means the probability of rolling a 2 is 1/6th. (1/6)^1000 will give you the probability of rolling a 2 exactly 1000 times. (1/6)^1000 equates to 0%.
7 0
2 years ago
Six friends go out to lunch and decide to split the bill evenly. The bill comes to $61.56. How much does each person owe?
ddd [48]

Answer:

61.56/6

10.26

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
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Oduvanchick [21]

Answer:

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Step-by-step explanation:

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