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Keith_Richards [23]
3 years ago
13

Which formula can be used to find the nth term in a geometric sequence where a1=3 and r=2?

Mathematics
2 answers:
marissa [1.9K]3 years ago
7 0
Hello : 
answer D  <span> an=3•2^n-1</span>
AnnyKZ [126]3 years ago
6 0

The second one is D. 729/4,096

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Solve for x: -3x -3= -3(x+1) A All real numbers B No Solution C 6 D -6
Alekssandra [29.7K]

Answer:

c=6+D=6

Step-by-step explanation:

b is the common denominator

7 0
3 years ago
Help me plz with my hw
inna [77]
Circumference is found with the formula

c = pi × d

d is diameter and we will use 3.14 for pi.

The diameter is the measure across the center of the circle. In the first problem, you are given the radius, so we have to multiply by 2 to get the diameter. Then we can use the formula.

12.4 in × 2 = 24.8 in (that's the diameter)

c = pi × D
c = 3.14 × 24.8
c = 77.872 inches

circumference is 77.872 inches.

Try the other problems on your own. They are just like this one. Just make sure they are giving you the diameter and not the radius. Post if you have problems.
6 0
2 years ago
I am the gratest three digit number divisble by 5 Who I am
saw5 [17]
The number you are looking for is 995
3 0
3 years ago
Find the value of the variable if P is between J &amp; K. <br><br> JP = 2x ; PK = 7x ; JK = 27
Nana76 [90]
J ---- P --- K

JP = 2x
PK = 7x
JK = 27

2x + 7x = 27
9x = 27
x = 27/9
x = 3

The value of P is 3.

JP = 2x = 2(3) = 6
PK = 7x = 7(3) = 21

7 0
2 years ago
The graph shows Linda's math scores versus the number of hours spent doing math homework.
xz_007 [3.2K]
Answer=A

Let's write the an equation in slope intercept for for the line.

y-intercept=10

slope=rise/run=15/2=7.5

equation:

y=mx+b
y=7.5x+10

Solve for x=7

y=7.5(7)+10
y=52.5+10
y=62.5

Answer=A
6 0
3 years ago
Read 2 more answers
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