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Yuliya22 [10]
3 years ago
9

Reduce -34/87 to lowest terms.

Mathematics
2 answers:
sattari [20]3 years ago
8 0
It is already reduced.
They don't have a common factor to reduce them by.
scoray [572]3 years ago
3 0

I think it is already reduced.

How you a doin?

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Weights of cars passing over a bridge part 2<br>​
DaniilM [7]

Step-by-step explanation:

The solution to this problem is very much similar to your previous ones, already answered by Sqdancefan.

Given:

mean,  mu = 3550 lbs (hope I read the first five correctly, and it's not a six)

standard deviation, sigma = 870 lbs

weights are normally distributed, and assume large samples.

Probability to be estimated between W1=2800 and W2=4500 lbs.

Solution:

We calculate Z-scores for each of the limits in order to estimate probabilities from tables.

For W1 (lower limit),

Z1=(W1-mu)/sigma = (2800 - 3550)/870 = -.862069

From tables, P(Z<Z1) = 0.194325

For W2 (upper limit):

Z2=(W2-mu)/sigma = (4500-3550)/879 = 1.091954

From tables, P(Z<Z2) = 0.862573

Therefore probability that weight is between W1 and W2 is

P( W1 < W < W2 )

= P(Z1 < Z < Z2)

= P(Z<Z2) - P(Z<Z1)

= 0.862573 - 0.194325

= 0.668248

= 0.67 (to the hundredth)

6 0
3 years ago
A rectangle has a height of 3 and a width of 2x*2 + 3x - 5 , express area of whole rectangle, please answer this ASAP !!!
monitta
Area is height time width, or in this case, 3(2x^2+3x+5), which is 6x^2+9x+15.
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27 as a mixed number
Elodia [21]

Answer:

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4 0
3 years ago
What is the nth term rule of the linear sequence <br> 6,13,20,27,34?
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Answer:

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Step-by-step explanation:

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My homework is due soon, help!!
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Answer:

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Pie = 3.14

A = (pie)r^2

A = (3.14)4^2

A = (3.14)16

A = 50.24

4 0
2 years ago
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