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3 years ago

Another question! Help if you can

Mathematics

1 answer:

ioda3 years ago

3 0

The answer is D because it can only have one symmetrical line straight down the middle.

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How many solutions do these equations have

Arlecino [84]

Answer:

$\large\boxed{\bold{one\ solution}\ (1,\ -4)\to x=1,\ y=-4}$

Step-by-step explanation:

$\left\{\begin{array}{ccc}y=2x-6\\y=-x-3\end{array}\right\\\\\text{These are linear functions. We only need two points to draw a graph.}\\\\\text{Choice two values of x, substitute to the equation,}\\\text{and calculate the values of y.}\\\\y=2x-6\\for\ x=0\to y=2(0)-6=0-6=-6\to(0,\ -6)\\for\ x=3\to y=2(3)-6=6-6=0\to(3,\ 0)\\\\y=-x-3\\for\ x=0\to y=-0-3=0-3=-3\to(0,\ -3)\\for\ x=-3\to y=-(-3)-3=3-3=0\to(-3,\ 0)\\\\\text{Look at the picture}$

$\text{The intersection of the line is the solution of the system of equations:}\\\\(1,\ -4)\to x=1,\ y=-4$

7 0

3 years ago

BRAINLIEST ASAP! PLEASE HELP ME :) thxx

olga nikolaevna [1]

Answer:

2nd point

Step-by-step explanation:

3 0

3 years ago

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81 x 11 73 x82 64 x 55 27 x 63 24 x 25 47 x 63 24 x 44

zubka84 [21]

81 times 11 is 891
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3 years ago

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Please help Find: ∠x ∠a ∠b

V125BC [204]

Answer:

your answer

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3 years ago

A Department of Transportation report about air travel found that, nationwide, 78% of all flights are on time. Suppose a random

kiruha [24]

Answer:

The value of parameter n of binomial random variable is 50.

Step-by-step explanation:

The value of n parameter is 50 because it is the size of sample of flights. In binomial experiment the process is repeated fixed n number of times and here in the given scenario random sample of 50 flights is the n which is fixed throughout the process.

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3 years ago