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cupoosta [38]
2 years ago
13

Given triangle ABC with AB = 3 , BC = 5 , and CA = 6 . X is the midpoint of AC and is the midpoint of CB. What is the relationsh

ip between XY and AB?
A) congruent
B) parallel
C) perpendicular
D) similar
Mathematics
1 answer:
Helga [31]2 years ago
7 0

parallel accroding to the mid point theorems.

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Find the value of f(3) for the function f(x)=-4(x+3) f(3)=
otez555 [7]

Answer:

  • -24

Step-by-step explanation:

<u>Given function</u>

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<u>To find</u>

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<u>Solution</u>

Substitute x with 3 in the equation to find f(3)

  • f(3) = -4(3+3) = -4*6 = -24
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What is the solution to the system of equations graphed below?
umka2103 [35]

Answer:

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Step-by-step explanation:

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2 years ago
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Consider a value to be significantly low if its z score less than or equal to minus−2 or consider a value to be significantly hi
den301095 [7]

Answer:

Test scores of 10.2 or lower are significantly low.

Test scores of 31 or higher are significantly high

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 20.6, \sigma = 5.2

Significantly low:

Z-scores of -2 or lower

So scores of X when Z = -2 or lower

Z = \frac{X - \mu}{\sigma}

-2 = \frac{X - 20.6}{5.2}

X - 20.6 = -2*5.2

X = 10.2

Test scores of 10.2 or lower are significantly low.

Significantly high:

Z-scores of 2 or higher

So scores of X when Z = 2 or higher

Z = \frac{X - \mu}{\sigma}

2 = \frac{X - 20.6}{5.2}

X - 20.6 = 2*5.2

X = 31

Test scores of 31 or higher are significantly high

6 0
3 years ago
SOLVE FOR f(-2) MATH HELP PLS
tankabanditka [31]

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Step-by-step explanation: Basically what f(-2) means is -2 = x. So you put in -2 wherever x appears. This would turn the equation to -3(-2) + 3 which goes to 6+3.

4 0
3 years ago
Read 2 more answers
Solve the system of equations: {2(3x-2y)+1=7x, 12(x+y)-15=7x+12y
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Step-by-step explanation:

hope this help have a great day!

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