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ololo11 [35]
2 years ago
8

Pls help urgently extra points and mark brainlist

Mathematics
2 answers:
Gwar [14]2 years ago
6 0

Answer: 5

Step-by-step explanation: 5

Anna11 [10]2 years ago
3 0

Answer:

70=5 times 2 times 7 hope this helps have a nice day :)

Step-by-step explanation:

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The time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated b
zepelin [54]

Answer:

If the task is performed in less than or equal to 130.8 seconds, then, the individuals qualify for advanced training.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 150 sec

Standard Deviation, σ = 15 sec

We are given that the distribution of time taken is a bell shaped distribution that is a normal distribution.

Formula:

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

We have to find the value of x such that the probability is 0.10

P(X < x)  

P( X < x) = P( z < \displaystyle\frac{x - 150}{15})=0.10  

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

\displaystyle\frac{x - 150}{15} = -1.282\\x = 130.8  

Thus, if the task is performed in less than or equal to 130.8 seconds, then, the individuals qualify for advanced training.

8 0
3 years ago
There are 1234 pickles in a jar Fred took half out how many pickles are there.<br><br><br> ∞<br> ω
Leokris [45]

Answer:

617 pickles left >:)

Step-by-step explanation:

1234 divided by 2(half) is 617

also fred is very hungry if he wanted 617 pickles...and greedy

8 0
3 years ago
32/96 in its simplest form
NikAS [45]
The answer is 1/3.
To get to this conclusion you must halve both the numerator and the denominator until you reach a point where each number can no longer be halved.
32/96
16/48
8/24
4/12
2/6
1/3 
5 0
3 years ago
Read 2 more answers
PLZ HELPPPPP!!!!!!!!!!!!!!!!!!!!!!!!!!!
stepan [7]

1. One face is 5.1*2.5=12.75 un^2, one is 8.5*2.5=21.25, one is 6.8*2.5=17, and two are 1/2*6.8*5.1, so both are 34.68. Total is 85.68, rounded to 85.7 cm^2. (C)

2. The area of the circles is 2(π*2^2), which is about 25.1. The rectangle's area can be found as 2π*2*3, which is about 37.7. The total is rounded to 62.8 m^2 (D)

3. Rectangular faces: 3.6*1.8=6.48, 8.5*1.8=15.3, 7.7*1.8=13.86

Triangles: 2(1/2(3.6*7.7))=27.72

Total: 63.36, round to 63.4 km^2 (B)

5 0
3 years ago
3(2x-1) what is the anwser to this
Illusion [34]

Answer:

6x-3

Step-by-step explanation:

3(2x-1)

DISTRIBUTE

3*2x = 6x

3*(-1) = -3

6x-3

6 0
3 years ago
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