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charle [14.2K]
3 years ago
13

(-2,2) reflected in the line y=-1

Mathematics
1 answer:
lyudmila [28]3 years ago
8 0

Answer:

<u>(-2,-4)</u>

Step-by-step explanation:

Graph it and you would find that (-2,2) is 3 units higher than the line y=-1. So you would reflect it across by starting at (-2,-1) and count downwards, 3 to get (-2,-4).

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Please Help!!!<br> find 8 videos on polynomials and summarise each one in 2-3 sentences
Alex17521 [72]

Answer:

A polynomial is a sum of terms each consisting of a variable raised to a nonnegative integer power. The degree is the highest power of the variable that occurs in the polynomial. The leading term is the term containing the highest degree, and the leading coefficient is the coefficient of that term.

Step-by-step explanation:

hope this is what ur looking for :P

5 0
3 years ago
Point: (3,−4)
Valentin [98]

Answer:

We need to turn the equation into y=mx+b form.

So the equation would be:

y=-1(3)+-4

Step-by-step explanation:

5 0
3 years ago
I need it done assap I will give brainliest!!!
Aloiza [94]

Answer:

5.25

i used a calculator btw

5 0
4 years ago
Read 2 more answers
Assume that random guesses are made for seven multiple choice questions on an SAT​ test, so that there are nequals7 ​trials, eac
Ket [755]

Answer:

P(X < 4)=0.1335+0.3115+0.3115+0.1730=0.9295

Step-by-step explanation:

Question assumed: Find the probability that the number x of correct answers is fewer than 4.

1) Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

2) Solution to the problem

Let X the random variable of interest, on this case we now that:

X \sim Binom(n=7, p=0.25)

The probability mass function for the Binomial distribution is given as:

P(X)=(nCx)(p)^x (1-p)^{n-x}

Where (nCx) means combinatory and it's given by this formula:

nCx=\frac{n!}{(n-x)! x!}

And we want to find this probability:

P(X < 4)=P(X=0)+P(X=1)+P(X=2)+P(X=3)

P(X=0)=(7C0)(0.25)^0 (1-0.25)^{7-0}=0.1335

P(X=1)=(7C1)(0.25)^1 (1-0.25)^{7-1}=0.3115

P(X=2)=(7C2)(0.25)^2 (1-0.25)^{7-2}=0.3115

P(X=3)=(7C3)(0.25)^3 (1-0.25)^{7-3}=0.1730

P(X < 4)=0.1335+0.3115+0.3115+0.1730=0.9295

3 0
4 years ago
What are the values of x and y when (3-2i)-(x+yi)=(2-3)?
saul85 [17]
Hello,

x+iy=3-2i-2+3i
x+iy=1+i
x=1
y=1

7 0
4 years ago
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