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Hatshy [7]
2 years ago
9

Arithmetic sequence, help with #18 plz

Mathematics
1 answer:
GREYUIT [131]2 years ago
6 0

Answer:

15th term is 29/4

Use Arithmetic equation

a1 = 1/4

d= common difference = 2/4

a15 = a1 + (n-1) d

a15 = 1/4 + (15 - 1) 2/4

a15 = 1/4 + 14 (2/4)

a15 = 1/4 + 7

a15 = 29/4 or 7 1/4

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Paul [167]

Answer:

x = 21/5 (4 1/5

Solve:

x + 4/5 - 4/5 = 5 - 4/5

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4 0
2 years ago
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How can I solve this?
Mnenie [13.5K]
X-1/3 = y-2/4
4(x-1) = 3(y-2)
4x-4 = 3y-6
4x-3y = -2 --->1
4x +3y =8 ---->2
2-1 ; 6y = 10
y = 10/6 or 5/3
And 4x + 3(10/6) = 8
4x =3
X = 3/4

6 0
3 years ago
What is an equation of the line that passes through the points (8, 2)(8,2) and (-4, 5)(−4,5)?
SOVA2 [1]

Answer:

y = -1/4x + 4

Step-by-step explanation:

(8,2) and (-4, 5)

Slope = (5 - 2)/(-4 - 8)

= 3/-12 = -1/4

Point (8,2)

b = 2 - (- 1/4)(8)

b 2+ 2 = 4

5 0
2 years ago
Help I’m really bad at this
kogti [31]

Answer:

72

Step-by-step explanation:

The formula for surface area is SA = 2lw + 2wh + 2lh

W = width

L= length

H = height

A = 2(wl + hl + hw)

2·(6·3+2·3+2·6)

Simplify that down to get the answer 72

4 0
3 years ago
Negative number on a number line 3
MrMuchimi
-2.1 because each dash represents 0.1
8 0
2 years ago
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