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Veronika [31]
3 years ago
7

Draw a number line that represents 7+(-4).

Mathematics
1 answer:
tekilochka [14]3 years ago
3 0
You start from negative 7 in number line and you go left 4
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PLEASE HELP FAST!!! ITS EASY BUT NOT FOR ME!!
Maru [420]
The answer is number 4
8 0
3 years ago
Read 2 more answers
You have just used the network planning model and found the critical path length is 30 days and the variance of the critical pat
joja [24]

Answer:

0.726 is the probability that the project will be completed in 33 days or less.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 30 days

Variance = 25 days

Standard Deviation,

\sigma = \sqrt{\text{Variance}} = \sqrt{25} = 5

We assume that the distribution of path length is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

P(completed in 33 days or less)

P( x \leq 33) = P( z \leq \displaystyle\frac{33 - 30}{5}) = P(z \leq 0.6)

Calculation the value from standard normal z table, we have,  

P(x \leq 33) = 0.726 = 72.6\%

0.726 is the probability that the project will be completed in 33 days or less.

8 0
3 years ago
12. The weight of 56<br>books is 8kg. What<br>is the weight of 154<br>such books?​
Korvikt [17]

Answer:

56+56=112 16kg

112+42=154 42 = 6kg

Step-by-step explanation:

5 0
3 years ago
Which statement about the graph of the quadratic function is NOT true?
AURORKA [14]

Answer:

2nd option

Step-by-step explanation:

the graph has a minimum value of - 6  ( U ) not a maximum

5 0
2 years ago
Read 2 more answers
Find the measure of angle x
Triss [41]

Answer:

it is heptagon and sum of interior angles of heptagon is 900 °

123°+131°+ 125°+124°+x 129°+132° = 900°

764° +x = 900 °

x = 900°-764°

x = 136°

4 0
3 years ago
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