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nadya68 [22]
3 years ago
15

Please help me asap!!!!!!!

Mathematics
1 answer:
rewona [7]3 years ago
5 0

9514 1404 393

Answer:

  (b)  Symmetric property of congruence

Step-by-step explanation:

a) The transitive property says if a=b and b=c then a=c

b) The symmetric property says if a=b then b=a

c) The substitution property says if a=b and a=c then b=c

d) The reflexive property says a=a

__

The property of congruence of interest here is the <em>symmetric property</em>.

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Assume that the weight of two year old babies have distribution that is approximately normal with a mean of 29 pounds and a stan
Lana71 [14]

Answer:

25.15 ponds is the weight of two year old baby corresponds to 10th percentile.      

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 29 pounds

Standard Deviation, σ = 3 pounds

We are given that the distribution of weight of two year old babies is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.10

P(X < x)  

P( X < x) = P( z < \displaystyle\frac{x - 29}{3})=0.10  

Calculation the value from standard normal z table, we have,  

P(z < -1.282) = 0.10

\displaystyle\dfrac{x - 29}{3} = -1.282\\x = 25.154 \approx 25.15

Thus, 25.15 ponds is the weight of two year old baby corresponds to 10th percentile.

5 0
3 years ago
The question is in picture the picture provided<br> pls help and don't troll
jeyben [28]

John sold 30U

Rick sold 25U

So, Rick sold 5 fewer units than John.

Hope that helps.

7 0
2 years ago
Show that 6^3-1 is divisible by 5 using our identities
Doss [256]

Answer:

Step-by-step explanation:

a³-b³=(a-b)(a²+ab+b²)

6³-1=6³-1³=(6-1)(6²+6*1+1²)=5×43

so 6³-1 is divisible by 5.

8 0
3 years ago
Read 2 more answers
PLEASE NEED HELP ASAP
yKpoI14uk [10]
I get 9 for this one.
5 0
3 years ago
Read 2 more answers
Find the value of y please!
Tems11 [23]

Answer:

Y=4

Step-by-step explanation:

Because the two triangles are congruent you can set the two expressions equal to each other and solve from their.

step 1 )  8Y = 6Y + 8

step 2 ) isolate the variable to one side 8Y-6Y= 8 =>  2Y = 8

step 3 ) solve for Y 2Y/2 = 8/2

Solution Y=4

7 0
3 years ago
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