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Setler79 [48]
3 years ago
9

Which of the following transformation would not preserve congruence

Mathematics
1 answer:
Mars2501 [29]3 years ago
8 0
I personally think it's C, but it could also be E, so.. idk for sure, sorry
Hope this helps tho!
~{Dunsforhands}
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trey is selling candy bars to raise money for his basketball team. the team receives $1.25 for each candy . he has already sold
zlopas [31]

Answer:

He has earned $31.25 for his basketball team.

Step-by-step explanation:

25 * 1.25 = 31.25

8 0
2 years ago
Read 2 more answers
2.5% of a population are infected with a certain disease. There is a test for the disease, however the test is not completely ac
Aleks04 [339]

Answer:

P(disease/positivetest) = 0.36116

Step-by-step explanation:

This is a conditional probability exercise.

Let's name the events :

I : ''A person is infected''

NI : ''A person is not infected''

PT : ''The test is positive''

NT : ''The test is negative''

The conditional probability equation is :

Given two events A and B :

P(A/B) = P(A ∩ B) / P(B)

P(B) >0

P(A/B) is the probability of the event A given that the event B happened

P(A ∩ B) is the probability of the event (A ∩ B)

(A ∩ B) is the event where A and B happened at the same time

In the exercise :

P(I)=0.025

P(NI)= 1-P(I)=1-0.025=0.975\\P(NI)=0.975

P(PT/I)=0.904\\P(PT/NI)=0.041

We are looking for P(I/PT) :

P(I/PT)=P(I∩ PT)/ P(PT)

P(PT/I)=0.904

P(PT/I)=P(PT∩ I)/P(I)

0.904=P(PT∩ I)/0.025

P(PT∩ I)=0.904 x 0.025

P(PT∩ I) = 0.0226

P(PT/NI)=0.041

P(PT/NI)=P(PT∩ NI)/P(NI)

0.041=P(PT∩ NI)/0.975

P(PT∩ NI) = 0.041 x 0.975

P(PT∩ NI) = 0.039975

P(PT) = P(PT∩ I)+P(PT∩ NI)

P(PT)= 0.0226 + 0.039975

P(PT) = 0.062575

P(I/PT) = P(PT∩I)/P(PT)

P(I/PT)=\frac{0.0226}{0.062575} \\P(I/PT)=0.36116

8 0
2 years ago
An object has a mass of 12kg. On planet A the object weighs 69N. The force of gravity on planet a is:
astraxan [27]

w = mg  

w/m = g  

69N / 12kg = 5.75 N/kg

<u>Answer: B) 5.75 m/s2</u>

8 0
3 years ago
Guys please please help me I’m begging u guys lol I need help please
Llana [10]

Answer:

What do you need help with?!?XD

Step-by-step explanation:


4 0
3 years ago
Picture here you go! Thanks
vazorg [7]

Answer:

8/3x + 6 (first option)

Step-by-step explanation:

Well youc an use the destructive property, multiply 2/3 with each number in this expression

2/3* 4x= 8/3x

and

2/3 *9 is 6

Now just plug it in as usual

8/3x+6

6 0
2 years ago
Read 2 more answers
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