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tamaranim1 [39]
3 years ago
10

if B is between A and C, D is between C and E, and C is the midpoint of both segments BD and Segment AE, then segment AB congrue

nt segment DE
Mathematics
1 answer:
TiliK225 [7]3 years ago
8 0

The five statements and reasons below have proved that Segment AB is congruent to segment DE;

<u><em>Statement 5; AB ≅ DE</em></u>

We are Given:

B is between A and C

D is between C and E

C is the midpoint of both segments BD and AE

AB ≅ DE

We want to prove that;

AB ≅ DE

Statement 1; C is the midpoint of BD and AE.

Thus; BC = CD and AC = CE

Reason; because a midpoint divides a segment into 2 equal parts.

Statement 2; AB + BC = AC and CD + DE = CE

Since B is between A and C and D is between C and E, then we can say;

AB + BC = AC

CD + DE = CE

Reason; property of line segment addition

Statement 3; AB + BC = CD + DE

Since AC = CE, then using substitution property of equality on statement 2, we have; AB + BC = CD + DE

Reason; Substitution property of Equality

Statement 4; AB + BC = BC + DE

Since BC = CD, the using substitution property of equality on CD in statement 3, we have; AB + BC = BC + DE.

Reason; Substitution property of Equality

Statement 5; AB ≅ DE

Using subtraction property of equality on statement 4, BC will cancel out to give; AB = DE

Equal segments are congruent and so we can write; AB ≅ DE

Reason; Subtraction property of equality

Read more at; brainly.com/question/11494126

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Answer:

Exact form: √ 29

Decimal form: 5.38516480

Step-by-step explanation:

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Porphyrin is a pigment in blood protoplasm and other body fluids that is significant in body energy and storage. Let x be a rand
lbvjy [14]

Answer:

a) 0.8708 = 87.08% probability that x is less than 60

b) 0.9641 = 96.41% probability that x is greater than 16.

c) 0.8349 = 83.49% probability that x is between 16 and 60

d) 0.1292 = 12.92% probability that x is more than 60.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

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 question, we have that:

\mu = 43, \sigma = 15

a. x is less than 60

This is the pvalue of Z when X = 60. So

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

Z = \frac{60 - 43}{15}

Z = 1.13

Z = 1.13 has a pvalue of 0.8708

0.8708 = 87.08% probability that x is less than 60

b. x is greater than 16

This is 1 subtracted by the pvalue of Z when X = 16. So

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

Z = \frac{16 - 43}{15}

Z = -1.8

Z = -1.8 has a pvalue of 0.0359

1 - 0.0359 = 0.9641

0.9641 = 96.41% probability that x is greater than 16.

c. x is between 16 and 60

This is the pvalue of Z when X = 60 subtracted by the pvalue of Z when X = 16. We found those in a and b, si:

0.8708 - 0.0359 = 0.8349

0.8349 = 83.49% probability that x is between 16 and 60

d. x is more than 60

This is 1 subtracted by the pvalue of Z when X = 60.

So

1 - 0.8708 = 0.1292

0.1292 = 12.92% probability that x is more than 60.

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Answer:

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Step-by-step explanation:

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Part D:

Just follow the instructions and do the thing for the app. You can then answer the questions it is very easy.

Part E:

Do the same for E after you do Part D.

Step-by-step explanation:

Hope it helps!

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LN bisects KLM into two congruent angles measuring (3x-4) and (4x-27). Find klm
Vanyuwa [196]
Answer:  The m ∡KLM is:  130° .
___________________________________________________________
Explanation:
__________________________________________________________
(3x − 4) = (4x − 27) ;  (Since these are "bisected, congruent angles", they are equal).

⇒ 3x − 4 = 4x − 27 ;

⇒ Subtract "4x" from  EACH SIDE of the equation; and add "4" to EACH SIDE of the equation;

⇒    3x − 4 − 4x + 4 = 4x − 27 − 4x + 4 ;

to get:

⇒  - 1x = -23 ;

⇒  Divide EACH SIDE of the equation by "-1" ; to isolate "x" on one side of the equation; and to solve for "x" ;

⇒  -1x / -1 = -23 / -1 ;  to get:

⇒  x = 23;
___________________________________
To find m ∡KLM :

m ∡ KLM = (3x − 4) + (4x − 27) ;

{Note:  Remember:  (3x − 4) = (4x − 27) } ;

So, plug in our solved value for "x" ; which is: "x = 23" into one of the expressions for one of the congruent angles.

Let us start with: "(3x − 4)" . 

(3x − 4) = 3x − 4 = 3(23) − 4 = 69 − 4 = 65 .

By plugging in our solve value for "x" ; which is: "x = 23" ; into the expression for the other congruent angle, we should get: "65" ;

Let us try:

(4x − 27) = 4x − 27 = 4(23) − 27 = 92 − 27 = 65.  Yes!
________________________________________________
So to find m ∡KLM:

(3x − 4) + (4x − 27) = 65 + 65 = 130° .
_______________________________________________
Alternate method:
_______________________________________________
At the point which we have:
_______________________________________________
To find m ∡KLM :

m ∡ KLM = (3x − 4) + (4x − 27) ; and at which we have our solved value for "x" ; which is:  "x = 23" ;
_______________________________________________

We can simply plug in our known value for "x" ; which is:  "23" ; into the following:
m ∡ KLM = (3x − 4) + (4x − 27) = [(3*23) − 4] + [(4*23) − 27] ;
                                                   = (69 − 4) + (92 − 7) = 65 + 65 = 130° .
_____________________________________________________________
{Note:  Using this method, we determine that each angle is equal; that is, "65° ".}.
______________________________________________________________
4 0
3 years ago
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