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iragen [17]
3 years ago
15

the probability that a house in an urban area will develop a leak is 4​%. If 27 houses are randomly​ selected, what is the proba

bility that none of the houses will develop a​ leak? Round to the nearest thousandth.
Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0
ANSWER: p( X=0)

hope this helps have a great day!!
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Which of the following expressions is correct?
AysviL [449]

Answer:

-7.5x3+(20+2.5)=0

this one is equal to 0 ;)

8 0
2 years ago
Write 125 as a product of primes. Use index notation when giving your answer.
Mnenie [13.5K]

Answer:

5^3

Step-by-step explanation:

125= 5*25

25=5*5

5 is a prime number and there are 3 of them so the answer in index notation will be 5^3

3 0
2 years ago
-3x^{2}-21x-54 what are the zeros? (Solutions)
Irina-Kira [14]
The only way to solve if it is equal to something
assuming that the teacher wanted you to make it equal to zero do
0=-3x^2-21x-54

remember if we can do
xy=0 then assume x and y=0

so factor

0=-3x^2-21x-54
undistribute the -3
0=-3(x^2+7x+18)
remember 0 times anything=0 so
x^2+7x+18 must equal zero
use quadratice formula which is

if you have
ax^2+bx+c=0 then
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}

x^2+7x+18
a=1
b=7
c=18

x=\frac{-7+/- \sqrt{7^{2}-4(1)(18)} }{2(1)}
x=\frac{-7+/- \sqrt{49-72} }{2}
x=\frac{-7+/- \sqrt{-23} }{2}
i=√-1
x=\frac{-7+/- i\sqrt{23} }{2}



the zerose would be
x=\frac{-7+ i\sqrt{23} }{2} or \frac{-7- i\sqrt{23} }{2}




4 0
3 years ago
I need help please answer correctly
Bas_tet [7]

Answer:

AC

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Write the fraction that represents 3 feet of rope divided into 8 equal parts.​
Bad White [126]
Answer: 3/8

Step-by-step explanation: Divide 3 ft by 8

7 0
2 years ago
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