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3 years ago

Solve for x. 5/6x = 15 Enter your answer in the box. X=

Mathematics

1 answer:

enyata [817]3 years ago

7 0

I would start by removing fraction
Multiply both sides by 6
5/6x * 6 = 15 * 6
5x = 90
Now divide by 5

Solution: x = 18

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What is the value of the expression -38-16-(-23)? O-31 O-45 O-54 O-77

ohaa [14]

Answer:

-31

Step-by-step explanation:

$-38-16-(-23) \\ \\ =-38-16+23 \\ \\ =-54+23 \\ \\ =-31$

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1 year ago

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

Gala2k [10]

Answer:

214.5 seconds or less time will qualify individuals for such training

Step-by-step explanation:

given that the time that it takes a randomly selected job applicant to perform a certain task has a distribution that can be approximated by a normal distribution with a mean value of 150 sec and a standard deviation of 25 sec.

i.e. X the time that it takes a randomly selected job applicant to perform a certain task is N(150,25)

The fastest 10% are the ones who are above the 90th percentile

We know 90th percentile for Z std normal score is 1.28

Corresponding X score would be

$x=\mu+1.28 \sigma\\X= 150+1.28(25)\\= 214.50$

Round off to one decimal

214.5 seconds or less time will qualify individuals for such training

3 0

3 years ago

The statement "Angle 1 is congruent to angle 3" is justified by the ________. ?

zmey [24]

Answer:

Step-by-step explanation:

that is a cute thing to be said that you know is the only way you could

6 0

3 years ago

What is the solution to the equation 2/3x+1=1/6x-7?

Alborosie

As it is, in accordance with the priorities of the operators (or the PEMDAS rule) the equation without parentheses mean
(2/3)x+1=(1/6)x-7
I do not suppose you mean the above, since the solution is relatively trivial.

I suppose you actually mean
2/(3x+1)=1/(6x-7)
in which case you would cross-multiply:
2(6x-7)=(3x-1)
and expand/distribute
12x-14=3x-1
isolate x and solve
12x-3x=-1+14
9x=13
x=13/9
If you mean the first form of equation without parentheses, my apologies.

5 0

3 years ago

Dee saves $20 a week for 10 weeks. during her 5-day vacation, she plans to spend $6.75 each day for snacks. which expression sho

QveST [7]

$20 a week for 10 weeks is:

20*10 = $200

She spends $6.75 each day for 5 days:

6.75*5 = $33.75.

Lets subtract her spending from her savings to find out how much she has left:

$200-$33.75 = $166.25

4 0

3 years ago

Read 2 more answers