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Murljashka [212]
2 years ago
12

What is 18 multiplied by 8

Mathematics
2 answers:
son4ous [18]2 years ago
8 0
18x8=144
Hope this helped.
sergeinik [125]2 years ago
4 0
The answer is 144 hope it helped
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The lengths of pregnancies are normally distributed with a mean of 268 days and a standard deviation of 15 days.
Zarrin [17]
Let the lengths of pregnancies be X
X follows normal distribution with mean 268 and standard deviation 15 days
z=(X-269)/15

a. P(X>308)
z=(308-269)/15=2.6
thus:
P(X>308)=P(z>2.6)
=1-0.995
=0.005

b] Given that if the length of pregnancy is in lowest is 44%, then the baby is premature. We need to find the length that separates the premature babies from those who are not premature.
P(X<x)=0.44
P(Z<z)=0.44
z=-0.15
thus the value of x will be found as follows:
-0.05=(x-269)/15
-0.05(15)=x-269
-0.75=x-269
x=-0.75+269
x=268.78
The length that separates premature babies from those who are not premature is 268.78 days
8 0
3 years ago
Un alumno multiplica un número por 32 en lugar de multiplicarlo por 23, obteniendo un producto mayor en 54 al producto original.
romanna [79]

Answer:

La suma de cifras del producto original es igual a 12.

Step-by-step explanation:

De acuerdo a la información proporcionada, si multiplicas un número "x" por 32 su resultado sería igual al producto original "y" más 54 dado que dice que se obtiene un producto mayor en 54 al producto original, lo que se puede expresar de la siguiente forma:

32x=y+54

Además, se puede inferir a partir del enunciado que si el número x se hubiera multiplicado por 23 el resultado habría sido el producto original que lo denominamos como "y", por lo que puedes decir que:

y=23x

Ahora puedes reemplazar y=23x en 32x=y+54 y despejar x:

32x=23x+54

32x-23x=54

9x=54

x=54/9

x=6

Finalmente, puedes reemplazar el valor de x en y=23x:

y=23x

y=23*6

y=138

Suma de cifras: 1+3+8 = 12

De acuerdo a esto, la respuesta es que la suma de cifras es igual a 12.

5 0
2 years ago
Angela has half of her birthday cake left over from her party. She wants to share the leftover cake equally between her and her
hjlf
25% each or .25 her plus three friends =4 /4 =1 /
7 0
2 years ago
HELPP <br> Complete the ratio table.<br> 5 1<br> 30 6<br> 60 _<br> 75 _<br> 80 _
goldfiish [28.3K]

Answer:

12 27 32 it could be wrong though

5 0
2 years ago
The volume of a cone is 16x cubic inches, Its height is 12 inches. What is the radius of the cone?
Dimas [21]
The radius would be 2
4 0
3 years ago
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