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vivado [14]
3 years ago
12

What is the surface area of the rectangular prism ?

Mathematics
1 answer:
motikmotik3 years ago
8 0

Answer:

348

Step-by-step explanation:

A=2(wl+hl+hw)

2(6·9+8·9+8·6)=348

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The following are the ages (years) of 5 people in a room:
slava [35]

Answer:

The age of the person who entered the room is 15

Step-by-step explanation:

We are given:

Ages of 5 people in a room are:

17, 16, 15, 17, 22

A person enters room, and then the mean age of 6 people is 17.

We need to find the age of person who entered the room.

The formula to calculate mean is: Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}

Now, in question we are given mean of 6 people that is 17

The age of 5 people are given while age of one person who enters the room is unknown.

Let age of person whose age is unknown= x

Now finding x using mean formula

Mean=\frac{Sum\:of\:all\:data\:values}{Number\:of\:data\:Values}\\17=\frac{17+16+ 15+ 17+ 22+x}{6}\\17=\frac{87+x}{6}\\17*6=87+x\\102=87+x\\x=102-87\\x=15

So, The value of x: x=15

Hence, the age of the person who entered the room is 15

4 0
3 years ago
¿Cuál es el peso total en kilos de los dulces?<br>A<br>2<br>3<br>B<br>oln​
Doss [256]

pesan 3kilos.

3/1=0.3kilos

4 0
3 years ago
Q10: Three men, four women and six children can complete a work in seven days. A woman does double
BartSMP [9]

Answer:

6

Step-by-step explanation:

I think so 6 because I think so

6 0
3 years ago
What is the line of the slope shown below
andrezito [222]

Answer:

3

Step-by-step explanation:

  • \frac{-3-6}{2--1}=\frac{-9}{3}=3
4 0
2 years ago
Read 2 more answers
Hey I don’t understand this question either please help me out :(
Vladimir [108]

Answer:

79

Step-by-step explanation:

first sub in 24 into the d (days)

then solve for L (length) from there with addition.

hope this helps!!

5 0
2 years ago
Read 2 more answers
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