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photoshop1234 [79]
4 years ago
9

What is true about the complex number: -5-5i? check all that apply.

Mathematics
2 answers:
Elza [17]4 years ago
7 0

Answer:

The modulus is 5√2

It lies in quadrant 4

Step-by-step explanation:

Alternate answers

Simora [160]4 years ago
6 0

Answer:

It is c and d. If this helps you are welcome

Step-by-step explanation:

You might be interested in
1. Find the chi square value x 2 L corresponding to a sample size of 7 and a confidence level of 99%
sashaice [31]

Answer:

1. χ² = 18.548

2. χ² = 23.685

Step-by-step explanation:

1. Confidence level is 99% (α = 0.01), but we're only interested in the left half, so α/2 = 0.005.  Degrees of freedom are 7−1 = 6.  Looking up in a chi square table, χ² = 18.548.

2. Confidence level is 90% (α = 0.10), but we're only interested in the right half, so α/2 = 0.05.  Degrees of freedom are 15−1 = 14.  Looking up in a chi square table, χ² = 23.685.

8 0
3 years ago
The probability that Brian wins a raffle is given by the expression n n + 2 . Write down an expression, in the form of a combine
LUCKY_DIMON [66]

Answer:

\frac{2}{n+2}

Step-by-step explanation:

Given

Let the total probability be 1

Probability that Brian wins a raffle  = n/n+2

Probability that Brian does not win a raffle = 1 - Probability that Brian wins a raffle

Probability that Brian does not win a raffle = 1 - (n/n+2)

Probability that Brian does not win a raffle = \frac{n+2-n}{n+2}

Probability that Brian does not win a raffle = \frac{2}{n+2}

Hence required fraction is  \frac{2}{n+2}

7 0
3 years ago
Hannah charges an hourly babysitting fee of $6 for two children, $7 for three children, and $8 for four or five children.
Vitek1552 [10]
The given table is
c  1  2  3  4  5
f  6  6  7  8  8

c = the number of children
f = the fee per hour

The given information is
f = $6 when c = 2;
f = $7 when c = 3;
f = $8 when c = 4 or c = 5.

A graph of the data is shown below.
Notice that the fee for 1 child was not provided, but it was provided in the table.

Let us examine the given answers.
(a) The relationship is not linear between c and f.
     TRUE
(b) The relationship is linear between c and f.
     FALSE
(c) The relationship is not linear for and linear for f.
    FALSE
(d) The relationship is linear for c but not f.
    FALSE

Answer: The relationship is not linear between c and f.

6 0
4 years ago
Need help on a Algebra 2 Assignment
liraira [26]

\blue \looparrowright \sf p = 2w + 2l

\\  \\

\blue \looparrowright \sf p  - 2w=2l

\\  \\

\blue \looparrowright \sf  \dfrac{p  - 2w}{2} =l

\\  \\

\blue \looparrowright \sf  l = \dfrac{p  - 2w}{2}

<h2>Option A</h2>
7 0
2 years ago
If (-3)-5=1/xwhat is the value of x?
kirill115 [55]

Option A

Option A -243

if any doubt leave a comment and don't forget to give BRAINLIEST

6 0
3 years ago
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