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3 years ago

√-1 factor completely without any 'i'

Mathematics

1 answer:

Tanzania [10]3 years ago

8 0

Answer:

the root of -1 is -1

Step-by-step explanation:

When multiplied by itself, the root is typically a specified number of times gives a specified number or quantity. So -1 × -1 = -1

So there you go

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What is $4.32 • 20= ???

jeyben [28]

The answer should be 84. I hope that helped

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3 years ago

. Given: Base ∡BAC and ∡ACB are congruent.. . Prove: ∆ABC is an isosceles triangle.. . When completed, the following paragraph p

sattari [20]

The answers to this specific problem would be the following statements:

1. the definition of congruent angles

2. congruent parts of congruent triangles are congruent (CPCTC)

I am hoping that these answers have satisfied your queries and it will be able to help you in your endeavors, and if you would like, feel free to ask another question.

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3 years ago

A new surgery is successful 75% of the time. if the results of 10 such surgeries are randomly sampled, what is the probability t

valentinak56 [21]

$\text{Binomial Distribution: } P(X = r) = \binom{n}{r}(p)^{r}(1 - p)^{n - r}$
$P(X < 9) = 1 - P(X = 9) - P(x = 10)$

$P(X = 9) = \binom{10}{9}(0.75)^{9}(0.25)$
$P(X = 10) = \binom{10}{10}(0.75)^{10}$

$P(X < 9) = 1 - \binom{10}{9}(0.75)^{9}(0.25) - \binom{10}{10}(0.75)^{10}$
$\approx 0.755974769...$

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4 years ago

What is 8 : 9 as a notation

djverab [1.8K]

Answer:

Please check the detail below.

Step-by-step explanation:

Given the ratio

8 : 9

Writing in word notation

The ratio of 8 to 9 is read as 8 is to 9 and ‘8 is to 9’ is the word notation of the ratio 8:9.

Writing in number notation

The number notation of the ratio 8 to 9 is 8:9.

Writing in fraction notation

The ratio 8 : 9 may also be written in fraction notation such as $\frac{8}{9}$ , where

a horizontal bar is separating the two numbers.

In other words:

8 : 9 can be written in fraction notation as 8/9.

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4 years ago

john bought 53 cartons of eggs,and each had 24 eggs.250 of the eggs were bad.how many good eggs did she get?

Mnenie [13.5K]

Answer:

1022

Step-by-step explanation:

total of eggs

= 53 × 24

= 1272

the good eggs

= 1272 - 250

= 1022

6 0

3 years ago