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alexdok [17]
4 years ago
13

The first six steps of the derivation of the quadratic formula are listed below

Mathematics
1 answer:
Lana71 [14]4 years ago
4 0
Where is the list at?
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An N-scale model railroad caboose is 3 inches long. N scale is 169 feet to 1 foot.
hammer [34]

9514 1404 393

Answer:

  • c/3 = 169/12
  • 42 1/4 feet

Step-by-step explanation:

Since we want to know the actual number of feet, we can write the proportion with that in the numerator.

  \dfrac{\text{actual feet}}{\text{scale inches}}=\boxed{\dfrac{c}{3}=\dfrac{169}{12}}\\\\c=\dfrac{3\cdot169}{12}=42\frac{1}{4}\qquad\text{multiply by 3}

The real caboose is 42 1/4 feet long.

4 0
3 years ago
The diameter of a circle is 16 cm. Find its area in terms of Pi
babymother [125]

Answer:

A= 201.06

Step-by-step explanation:

A=πr^2

d=2r

Input the information into those formulas. Im honestly not sure if thats the right answer but its better than nothing.

6 0
3 years ago
Your rent is 750/month. What should your minimum realized income be
Cerrena [4.2K]

Answer:

2500/month

Step-by-step explanation:

Usually, people should not allocate more than 30% of their earnings to pay for rent. So, you can use the rule of three to calculate the value:

30% ------ 750

100% ----- X

X= 100x750/30 =2500

It is important to note that realized income is when any amount of capital is gained, so it is the income that that is actually received from different sources, including a salary, a wage, rental income, or the sale of any good.

8 0
3 years ago
An angle is formed by:
PtichkaEL [24]
The answer is D because if they don't share an endpi t then it is just two rays
7 0
3 years ago
Read 2 more answers
Find the slope of the line graphed below.
mel-nik [20]

Answer:

m = -3/2

Step-by-step explanation:

m = (y2-y1)/(x2-x1)

m = (-1-2)/(3-1)

m = -3/2

7 0
3 years ago
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