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Elodia [21]
3 years ago
13

Please please help me!!!

Mathematics
1 answer:
Hoochie [10]3 years ago
4 0
4+6+2+2+3+4+6+3=30
14/30 = male
16/30=female
6/30= female junior
6/30= 1/5=20%
Answer: 20%
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a 12-ft ladder leans against a building so that the angle between the ground and the ladder is 74°. how high does the ladder rea
WINSTONCH [101]

Answer:

12 feet

Step-by-step explanation:

Sometimes, a simple drawing is a great way to start! In the attached drawing, the red line represents the ladder, the brown represents the ground, and the black represents the building!

We want to find the side of the triangle from where the ladder meets the building to where the building meets the ground. This can be found using trigonometric identities, namely sine:

sin\theta=\frac{opposite}{hypotenuse}

Plug in known values:

sin(74^o)=\frac{x}{12}

Rearrange to isolate the variable:

x=12sin(74^o)

Simplify!

x=11.535140... ft

Round to the nearest foot:

x=12ft

8 0
2 years ago
A score that is three standard deviations above the mean would have a z score of
tia_tia [17]

The value of z-score for a score that is three standard deviations above the mean is 3.

In this question,

A z-score measures exactly how many standard deviations a data point is above or below the mean. It allows us to calculate the probability of a score occurring within our normal distribution and enables us to compare two scores that are from different normal distributions.

Let x be the score

let μ be the mean and

let σ be the standard deviations

Now, x =  μ + 3σ

The formula of z-score is

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

⇒ z_{score} = \frac{\mu + 3\sigma -\mu}{\sigma}

⇒ z_{score} = \frac{ 3\sigma }{\sigma}

⇒ z_{score} = 3

Hence we can conclude that the value of z-score for a score that is three standard deviations above the mean is 3.

Learn more about z-score here

brainly.com/question/13448290

#SPJ4

6 0
2 years ago
What common base can be used to rewrite each side of the resulting equation? 2 4 16 32
Scorpion4ik [409]

Answer:2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the equation of the line that passes through the point (6,3)(6,3) and has a slope of -\frac{2}{3}−
vfiekz [6]
Y:7x90000000000000000000000
4 0
2 years ago
I WILL GIVE U A CROWN.......
steposvetlana [31]
<h3>Answer: Likely it's choice D) </h3>

See below for the explanation why

========================================================

down payment = 22% of home value

down payment = 22% of $426,000

down payment = 0.22*426,000

down payment = 93,720 dollars

The remaining amount mortgaged (i.e. loaned out) is

home value - (down payment) = 426,000 - 93,720 = 332,280

----------------

The monthly payment formula is

P = (L*i)/(1 - (1+i)^(-n))

where,

  • P = monthly payment
  • L = amount loaned
  • i = monthly interest rate in decimal form
  • n = number of months

In this case,

  • L = 332,280 dollars
  • i = 0.0525/12 = 0.004375 which is exact without any rounding
  • n = 20*12 = 240 months (equivalent to 20 years)

Plugging those three values into the formula mentioned gets us the following:

P = (L*i)/(1 - (1+i)^(-n))

P = (332,280*0.004375)/(1 - (1+0.004375)^(-240))

P = 2,239.0493959316

P = 2,239.05

Multiply this monthly payment by the 240 months mentioned.

2,239.05*240 = 537,372

This is the total amount paid back (principal + interest)

Add on the down payment to find out how much money total is handed over:  537,372 + 93,720 = 631,092

Unfortunately $631,092 is not listed as one of the answer choices. The closest would be D) $631,057

I'm not sure if I made a rounding error somewhere, or perhaps your teacher is using an amortization table. It's also possible your teacher made a typo somewhere. I'd ask them for clarification.  

5 0
1 year ago
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