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Kay [80]
3 years ago
14

Arabellah earned $20 for babysitting her younger sibling, spent $4 on ice cream, and received a $5 allowance. Which expression r

epresents the anvount of money Arabellah has now?​

Mathematics
1 answer:
bearhunter [10]3 years ago
6 0

Answer:

The correct answer is "E"

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Three times the sum of a number and seven is greater than five times the number less thirteen
Vlad [161]
3x(d+7) < 5d-13 (I think it is
8 0
3 years ago
Lines DE and AB intersect at point C.
alexandr402 [8]

Answer:

25

Step-by-step explanation:

2x+2+5x+3=180 (angles on a straight line)

7x+5=180

7x=180-5

7x=175

x=25 (dividing both sides by 7)

3 0
3 years ago
Find the exact circumference of a circle with the given radius. 5 inches C = 2.5π in. 10π in. 25π in.
docker41 [41]
The circumference, C, of a given circle may be calculated through the equation,
         
                                   C = 2πr

where r is the radius. 

Substituting the known values from the given in this item,
                                    C = 2(π)(5 in)
                                    <em>C = 10π in</em>

Thus, the answer is this item is the second choice. 
5 0
3 years ago
Why is the equation y-y1=m(x-x1) called the point-slope form?
MatroZZZ [7]

Answer:

The equation of the line with slope m = 2 and passing through the point (1, 1) will be:

y = 2x

Step-by-step explanation:

We know that the point-slope form of the line equation is

y-y_1=m\left(x-x_1\right)

where

  • m is the slope of the line
  • (x₁, y₁) is the point

The formula y-y_1=m\left(x-x_1\right) is termed as the point-slope form of the line equation because if we know one point on a certain line and the slope of that line, then we can easily get the line equation with this formula and, hence, determine all other points on the line.

For example, if we are given the point (1, 1) and slope m = 2

Then substituting the values m = 2 and the point (1, 2)

y-y_1=m\left(x-x_1\right)

y - 2 = 2(x-1)

y - 2 = 2x-2

y = 2x-2+2

y = 2x

Therefore, the equation of the line with slope m = 2 and passing through the point (1, 1) will be:

y = 2x

5 0
2 years ago
Memorial Day has been celebrated in various ways since the end of the American Civil War. How many years have passed since the e
Butoxors [25]

Answer:

65 years.

Step-by-step explanation:

the end of the civil war was July 27, 1954.

8 0
3 years ago
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