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vlabodo [156]
4 years ago
15

NEED HELP!!!!! Which of these sequences is a geometric sequence?

Mathematics
1 answer:
White raven [17]4 years ago
6 0
Only in d. are the number related by multiplication  (Multiplied by 3 each time to get the next number in the sequence).

3 x 3 =9
9 x 3 =27
27 x 3 = 81 etc.
You might be interested in
What is 1/6 times 2/3
Katyanochek1 [597]
Just multiply across the fractions!

(1x2)/(6x3)
2/18

Then simplify if possible.
2/18
1/9
8 0
3 years ago
Sam can mow a lawn in 40 minutes. Vanessa can mow the same lawn in 60 minutes. How long does it take for both Sam and Vanessa to
xxMikexx [17]

Answer:

As a reduced fraction: \frac{120}{5} minutes, which is 24 minutes

Step-by-step explanation:

Sam's speed is 1 lawn in 40 minutes. Vanessa's speed is 1 lawn in 60 minutes. If they both work together, the total speed is:

\frac{1}{40}+\frac{1}{60}=\frac{1(3)}{40(3)}+\frac{1(2)}{60(2)}=\frac{3}{120}+\frac{2}{120}=\frac{5}{120}

Which means that the total speed would be 5 lawns in 120 minutes. To find the time it would take to mow one lawn at that speed, we need to invert that speed so we get minutes per lawn:

\frac{120}{5}=24minutes

5 0
4 years ago
I neeeeed help please
Sedbober [7]
6 = 2(1) + 2(w)

6 = 2 + 2w

Subtract 2 from both sides to isolate 2w.

4 = 2w

Divide 2 on both sides to isolate w.

2 = w
6 0
4 years ago
Find the product<br> (-3)(8)
snow_lady [41]

Answer:

-24

Step-by-step explanation:

This is a simple multiplication problem. 8 times 3 is 24, and since one of the numbers is negative, the product (answer in multiplication) will be negative.

In multiplication and division of integers (positive and negative numbers), if the numbers have the same signs, the answer is ALWAYS positive, and if the numbers have different signs, the answer is ALWAYS negative.

7 0
3 years ago
Read 2 more answers
What is the solution to the inequality 28 &gt; 4 – 2p?
FinnZ [79.3K]
When multiply or divide an inequality by a negative number, flip the direction of the sign (ex, from  < to > or vice verca)


28>4-2p
minus 4 from both sides
24>-2p
divide both sides by -2 and don't forget to flip the sign
-12<p
p>-12
3 0
3 years ago
Read 2 more answers
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