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valina [46]
3 years ago
13

PLEASE HELP ME (AGAIN)

Mathematics
2 answers:
katrin2010 [14]3 years ago
7 0
(2, 5) This is 2 points to the right of (2,3), and 8 points from (-6, 5)
Natali5045456 [20]3 years ago
6 0
(2,5) this the answer hope it correct
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A theater has 30 seats in the first row. Each row behind the first row
Lana71 [14]

Answer:

a, Row 1 = 30 seats

Row 2 = 32 seats

Row 3 = 34 seats

Row 4 = 36 seats

b, n + equidistant number of seats added each row (2) * number of row - 1

c, 58 seats

Step-by-step explanation:

a, Because the seats is increasing by 2 after every row after row 1

Therefore, row 2 = row 1 + 2 = 30+2 = 32 seats

Row 3 = Row 2 + 2 =32+2 =34 seats

Row 4 = Row 3 + 2 = 34 + 2 = 36 seats

b, The explicit rule for the number of seats would be:

Row 1 = n

Row 2 = n + equidistant number of seats added each row (2) * (2-1) = n + 2

Row 3 = n+ equidistant number of seats added each row (2) * (3-1) = n+ 4

Row 4 = n + equidistant number of seats added each row(2) * (4-1) = n+6

etc.....

c, The number of seats in the 15th row would be = number of seat in the first row + equidistant number of seats added each row * 15 - 1 (first row)

= 30 + 2 * 14= 30 + 28 = 58 seats

Hope this help you :3

6 0
3 years ago
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X=12; f(x) = (1/2)x -20 = <br><br> a.4<br> b.7<br> c.-14<br> d.-26
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Answer:

c

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the figure shown is made up of a square and a triangle. Express the area of the figure in terms of y.
velikii [3]
1. <span>The figure is made up of a square and a triangle. Therefore, y</span>ou can solve this problem by applying the formula for calculate the area of a square and the formula for calculate the area of a triangle.

 2. The area of the square (A1) is:

 A1=(y)(y)
 A1=y²

 3. The area of the triangle (A2) is:

 A2=(y)(4)/2

 4. When you simplify it, you obtain:

 A2=2y

 5. Finally, you obtain the area of the figure (A) when you sum the area of the square and the area of the triangle:

 A=A1+A2
 A=y²+2y 
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3 years ago
IF YOU ARE REALLY GOOD A MATH THEN PLEASE ANSWER THIS !!!
timofeeve [1]
Speed = 330/6 = 55 mph
3 0
2 years ago
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Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.
MA_775_DIABLO [31]
The product of three and a number means 3 times x.

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