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IceJOKER [234]
2 years ago
14

Can you pls help me with this plsss

Mathematics
1 answer:
Gelneren [198K]2 years ago
8 0
Sure! So you need to make an addition problem, for example, 200+25; that equals 225, right? Now you need to subtract from 225. For example, 225-10= 215. Hope I helped!
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Give an example of a job that would have a y-intercept of $0 and another with a y-intercept of $20. What do these y-intercepts m
strojnjashka [21]

Answer

I) A job pays $15/hr with no bonus first day pay.

II) A job pays $15/hr with a $20 bonus first day pay.

Step-by-step explanation:

The y-intercepts would represent additional income that is added on to the base wage. It means it is what the worker would already earn (one-time), adding on to their standard pay.

Let X represent hours, and the y-intercept be what is mentioned above.

I) 15x + 0

II) 15x + 20

6 0
3 years ago
If there are 3 classrooms that each have 25 desks and there are a total of 87 students, how many more desks need to be added to
Reptile [31]

Answer:

12

Step-by-step explanation:

If there are 3 classrooms that each have 25 desks and there are a total of 87 students, how many more desks need to be added to a 4th classroom, that was originally empty, so that each of the students has a desk to sit in?

25 * 3 = 75

87 - 75 = 12

5 0
3 years ago
The scores on a psychology exam were normally distributed with a mean of 60 and a standard deviation of 10 . A failing grade on
tensa zangetsu [6.8K]

Answer:

The cutoff for a failing score was 40,

Approximately 2.3% of the students failed. ​

Step-by-step explanation:

Given,

Mean, \mu=60

Standard deviation, \sigma=10

Let x represents the cutoff for a failing score,

Thus, according to the question,

\frac{x-\mu}{\sigma}=-2

\frac{x-60}{10}=-2

x-60=-20

x=-20+60

x=40

Thus, the cutoff for a failing score is 40,

∵ P(<-2) = 0.02275 = 2.275 % ≈ 2.3 %

Hence, Approximately 2.3 % of the students failed. ​

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Can you expand the question into math formula? Please make it clear
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Is a dodecahedron a 3 dimensional or a dodecagon a 3 dimensional ?
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2 years ago
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