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ioda
3 years ago
11

Can someone help me out my grade are bad

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

Answer:

i think you plot point -13

Step-by-step explanation:

let me know if this is incorrect

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Two buses departed simultaneously from the terminal. One travelled due south, and the other travelled due east at the rate of 2
Solnce55 [7]

Answer:

5km

Step-by-step explanation:

6 0
3 years ago
The wildlife department has been feeding a special food to rainbow trout fingerlings in a pond. based on a large number of obser
Liono4ka [1.6K]
The normal distribution curve for the problem is shown below

We need to standardise the value X=405.5 by using the formula

z-score= \frac{X-Mean}{Standard Deviation}
z-score= \frac{405.5-402.7}{8.8} =0.32

We now need to find the probability of z=0.32 by reading the z-table

Note that z-table would give the reading to the left of z-score, so if your aim is to work out the area to the right of a z-score, then you'd need to do:

P(Z\ \textgreater \ z)=1 - P(Z\ \textless \ z)

from  the z-table, the reading P(Z\ \textless \ 0.32) gives 0.6255

hence, 
P(Z\ \textgreater \ 0.32)=1-0.6255=0.3475

The probability that the mean weight for a sample of 40 trout exceeds 405.5 gram is 0.3475 = 34.75%

7 0
3 years ago
A mother is five times as old as her daughter. In 6 years, the mother will
docker41 [41]

Answer:

Mom=30 Daughter=6

Step-by-step explanation:

M=5×D

M+6=3×D

5D=3D-6

2D=6

D=12

M=12×3=36

Now: D=12-6=6

M=36-6=30

4 0
2 years ago
Read 2 more answers
Changing 25/4 fraction into a mixed fraction
Veronika [31]
Divide 25 by 4 and you get 6 with a remainder of 1. That remainder of 1 can go over 4 to create the final answer of 6 and 1/4. 
6 0
3 years ago
Read 2 more answers
Mr. Pantera is going to make a histogram of the test scores from the last math test he gave. He plans to first organize the data
NemiM [27]

Answer:

he will at 14 bars i believe

Step-by-step explanation:

5 0
2 years ago
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