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3 years ago

12

If (x + 1)(x - 3) = 12, then which of the following statements is true?

1 answer:

Alexxandr [17]3 years ago

4 0

X = 5. so you would just plug that in to check your answer

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The volume of a rectangular tank is 20 000 cm3 . Given that the length is 40 cm and width is 25 cm, find its height

olga nikolaevna [1]

<em> $answer \\ 20 \: cm \\ solution \\ volume = 20000 \: {cm}^{3} \\ length = 40 \: cm \\ breadth = 25 \: cm \\ height = \\ now \\ v = l \times b \times h \\ \: \: \: \: \: \: or \: 20000 = 40 \times 25 \times h \\ or \: 20000 = 1000 \times h \\ or \: h = \frac{20000}{1000} \\ h = 20 \: cm \\ hope \: it \: helps$ </em>

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3 years ago

Read 2 more answers

−8⋅f(1)−4⋅g(4)=<br> I have no idea how to solve this...

tigry1 [53]

Answer:

I think its -8f-16g

Step-by-step explanation:

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3 years ago

If X is an integer and 7< square root of X <8, what is one of the possible values of X?

garri49 [273]

D: x ≥ 0

7 < √x < 8 ⇒ 7² < x < 8² ⇒ 49 < x < 64

Answer: x = 50 or x = 51 or x = 52 or ... or x = 63.

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3 years ago

3.86÷9.15 in its simplified form

Sedaia [141]

Answer:

ok so i am just dividing it out the answer would be 0.42185792

Step-by-step explanation:

3.86/9.15=0.42185792

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3 years ago

An election ballot asks voters to select four city commissioners from a group of eight candidates. In how many ways can this be

saul85 [17]

The number of combinations of the 8 candidates taken 4 at a time is:
$8C4=\frac{8!}{4!4!}=70\ ways$

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4 years ago