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Anna [14]
3 years ago
5

Given the Arithmetic sequence A1,A2,A3,A4 61, 74, 87, 100 What is the value of A15?

Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0
A15=243
74-61=13
87-61=13
So they're adding 13 every time.
A15 is 11 terms from A4 which is the last one you are given so 11*13=143
143+100=243

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A cyclist rides his bike at a speed of 18 miles per hour. What is this speed in kilometers per hour? How many kilometers will th
Sonja [21]

Well, if 1 mile = 1.6 kilometers and he's traveling at 18mph, then do 18 x 1.6 which = 28.8.

So, this is his current speed in kph

3 x 28.8 = 86.4‬

They will have traveled 86.4‬ kilometers

(I haven't worked with this kind of math in a while so correct me if I'm wrong!)

4 0
3 years ago
Mr. Rulaski gives $30 to Bailey and Jenny. If Bailey gets twice as much money as Jenny, how much will Jenny get?
Bond [772]
Total amount of money = amount Jenny receives + amount Bailey receives
$30 = 2j + j
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3 0
3 years ago
I WILL MARK YOU BRAINLYEST if you answer all of my problems !!!!!!!!!!!
sweet-ann [11.9K]
1) you can buy 6 candy bars because $5.10 / $0.85 =
6.
To check: 6*0.85=5.10

2) you can find the answer by adding 3 to 12. 3+12=15 n=15 and it said n can be greater than or equal so
N(greater than or equal to sign) 15.
To check: 15-3=12
12=12
16-3>12
13>12

7) x-7=12
+7 +7
X=19
To check: 19-7=12
12=12

8) y/8=7
*8 *8
Y= 56
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7=7

9) 10-4x=6x
+4x +4x
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/10 /10
X=1
To check: 10-4(1)=6(1)
10-4=6
6=6


Hope this helped!
3 0
3 years ago
he volume of a square pyramid is 288 in^3in 3 and the square base has a perimeter of 48 inches, find the height of the pyramid.
drek231 [11]

Answer:

Perimeter = 4s

s = P/4

s = 48 in/4

s = 12 in

V = a^2h/3

h = 3V/a^2

h = 3(288 in^3)/ (12 in)^2

h = 864 in^3 / 144 in^2

h = 6 inches

5 0
3 years ago
What is the slope of a line perpendicular to the line whose equation is
gizmo_the_mogwai [7]
Your slope is 2/5 and your y intercept is (0,-18)
5 0
3 years ago
Read 2 more answers
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