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Nutka1998 [239]
3 years ago
14

4 1/4 - 3 3/4 is you get this you will have 11 points ​

Mathematics
1 answer:
jonny [76]3 years ago
7 0

Answer:Exact Form: 1/2

Step-by-step explanation:

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Name the scale of the number line shown.
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Answer:

scale is 4...... ........

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Evaluate the expression 46−e if e=16 .
Aleksandr-060686 [28]
The answer is 30, hope this helps. 
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Please help!!!!! I need help badly
Nata [24]

Answer:

3/4

Step-by-step explanation:

54/72 simplified is the same as 3/4

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2 years ago
In this exercise, we estimate the rate at which the total personal income is rising in a metropolitan area. In 1999, the populat
DiKsa [7]

Answer:

the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

Step-by-step explanation:

From the given information:

Let consider y to represent the number of years after 1999

Then the population in time (y) can be expressed as:

P(y) = 9400y + 924900

The average annual income can be written as:

A(y) = 1400y + 30388

The total personal income = P(y)  ×  A(y)

The rate at which the total personal income is rising is T'(y) :

T'(y) = P'(y)  ×  A(y)  + P(y)  ×  A'(y)

T'(y) = (9400y + 924900)' (1400y + 30388) + (9400y + 924900) (1400y + 30388)'

T'(y) = 9400(1400y + 30388) + (9400y + 924900) 1400

Since in 1999 y =0

Then:

T'(0) = 9400(1400(0) + 30388) + (9400(0) + 924900) 1400

T'(0) = 9400(30388) + (924900)1400

T'(0) = $1,580,507,200 billion

Therefore; the rate at which total personal income was rising in the area in 1999 is $1,580,507,200 billion

8 0
3 years ago
Which equation represents the line that passes through the points (–3, 7) and (9, –1)?
Harlamova29_29 [7]

Answer:

1st option

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (- 3, 7) and (x₂, y₂ ) = (9, - 1)

m = \frac{-1-7}{9-(-3)} = \frac{-8}{9+3} = \frac{-8}{12} = - \frac{2}{3} , then

y = - \frac{2}{3} x + c ← is the partial equation

To find c substitute either of the 2 points into the partial equation

Using (9, - 1 ) , then

- 1 = - 6 + c ⇒ c = - 1 + 6 = 5

y = - \frac{2}{3} x + 5 ← equation of line

3 0
2 years ago
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