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MAXImum [283]
3 years ago
15

The first three terms of a geometric sequence are as follows.

Mathematics
1 answer:
ikadub [295]3 years ago
8 0
Each time, the number goes down by half of the number before it.
80/2=40
40/2=20
20/2=10
10/2=5
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Please help me!! I will mark brainliest
Annette [7]

I drew it out below (don't you just love my effort? XD)

You're gonna use the sine trig function to find the length of the shadow

sin26 / 1 = 43 / x; now you cross multiply

sin26 x = 43; divide both sides by sin26

x = 43 / sin26

x = 98 which is the shadow

Hope this helps!

6 0
3 years ago
A bag has 9 marbles: 4 are green, 2 are red, and 3 are blue. Melissa chooses a marble at random, and without putting it back, ch
nika2105 [10]

Answer: pr (blue) = 1/3 or 0.33

Pr(green without replacement) = 1/2 = 0.5

Step-by-step explanation:

Probability = number of possible outcomes/ number of total outcomes

Total number of outcomes is the sum of all the marbles, given as 9

Pr ( first marble blue) = no of blue marbles/ total number of marbles

= 3/9 = 1/3 or 0.333

Second marble is chosen without replacement- this means that the total outcome has reduced by 1, total number of marbles has reduced to 8 because there was no replacement.

Pr (second marble is green) = number of green marble/ total number of marbles without replacing the first marble

= 4/8 = 1/2 = 0.5

I hope this helps.

7 0
3 years ago
if you subtract 18 from my number and multipy the difference by -3 the result is -51 what is the number
NNADVOKAT [17]

Answer:

35

Step-by-step explanation:

x-18=y

y*-3=-51

y=17

x-18=17

17+18=x

x=35

3 0
3 years ago
The distance, d, measured in miles, that Hye drove is d = 45.2t, where t is the time in hours.
AnnyKZ [126]
The Constant Of Proportionality is 45.2
4 0
3 years ago
Read 2 more answers
if a rental car costs Caden $35 for the day, plus $0.33 per mile and his total bill was $78, how many miles did he drive?​
Digiron [165]
78-35= 43
43/.33= 130.30

130.3 miles
7 0
3 years ago
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