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yarga [219]
3 years ago
15

What is the explicit rule for the sequence?

Mathematics
2 answers:
Triss [41]3 years ago
6 0

Answer: D

Step-by-step explanation:

balandron [24]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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Can you conclude that this parallelogram is a rectangle? Explain.
tino4ka555 [31]

Answer:

The answer is B.

Step-by-step explanation:

All parallelograms that have congruent diagonals are rectangles.

4 0
3 years ago
Read 2 more answers
How many solutions does the system formed by x - y = 3 and ay + 3a = 0 have for a non zero number a? Explain and show how you ge
dlinn [17]
Solve both equations for y:
x-y=3 \ \ \ |-x \\
-y=-x+3 \ \ \ |\times (-1) \\
y=x-3 \\ \\
ay+3a=0 \ \ \ |-3a \\
ay=-3a \ \ \ |\div a, a \not= 0 \\
y=-3

Set the expressions equal to each other:
y=y \\ x-3=-3 \ \ \ |+3 \\
x=0 \\ \\
(x,y)=(0,-3)

So, for every nonzero number a the system of equations has one solution.
4 0
3 years ago
A rounded number for the speed of an insect Is 5.67 meters per second.What are the fastest and slowest speeds to the thousandths
zepelin [54]
Slowest- 5.665 because it is 5 so it will round up.
Fastest- 5.669 will also round up to the nearest hundredth which is 5.67
3 0
4 years ago
9(k+12)+4k2 when k= 3 the 2 is small
Advocard [28]

Answer:

the answer is 4k^2+9k+108

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Combine like terms<br><br><br>7y^2 + 7(6y^2 − 8)
abruzzese [7]
<h3>Answer: 49y^2 - 56</h3>

===============================

Work Shown:

7y^2 + 7(6y^2 - 8)

7y^2 + 7(6y^2) + 7(-8)

7y^2 + 42y^2 - 56

49y^2 - 56

4 0
4 years ago
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