3 years ago

For sketching solutions for inequalities should there be a solid line or a dotted line at `x-y=5`?

Mathematics

1 answer:

Tpy6a [65]3 years ago

4 0

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Multiplicative inverse of a neggative<br>rational number is

lions [1.4K]

$for \: a \: rational \: number \: \frac{a}{b} \: such \: that \: 0 > a \: \: \: \: \: \: 0 < b \\ its \: multiplicative \: inverse \: is \: - \frac{b}{a}$

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3 years ago

Add 7 and 3 8ths meters plus 6 and 1 third meters. Does the sum belong to the set of rational number integers or whole numbers?

PSYCHO15rus [73]

Rational number integers because the sum using (LCD) is 13 and 17/24. Therefore, the answer can not be a whole number because it is in a fractional form. You can also put this number in a rational for which would be 312/24. This proves that it is a rational number.

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3 years ago

Paul opened a bakery. The net value of the bakery (in

Umnica [9.8K]

Answer:

1) 2(t - 7)(t + 1)

2) $32,000

Step-by-step explanation:

v(t) = 2t² - 12t - 14

v(t) = 2(t² - 6t - 7) = 2(t - 7)(t + 1)

x = -b/2a = 6/2 = 3

y = 2(3)² - 12(3) - 14 = -32

(3, -32) means at 3 months, -32 thousand dollars

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3 years ago

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I WILL MARK BRAINLIEST!!!<br><br> What is 178.80 as a fraction?

nekit [7.7K]

Answer: 178 4/5 or as an improper fraction 894/5

Hope this helps!

Please mark Brainliest!

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3 years ago

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In the binomial probability formula, the variable x represents the _______. In the binomial probability formula, the variable

wolverine [178]

Answer: Option 'A' is correct.

Step-by-step explanation:

In the binomial probability formula, we have

$P(X=x)=^nC_xp^{x}q^{n-x}$

Here, n = number of events

x = number of trials

p = probability of success

q = probability of failure

x is the number of trials among which we decide the number of successes and number of failures.

So, Option 'A' is correct.

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3 years ago