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iren [92.7K]
2 years ago
8

Find the common ratio r for the geometric sequence and use r to find the next three terms. Enter your answer to four decimal pla

ces if necessary.
100, −40, 16, −6.4, ...

Mathematics
1 answer:
kirza4 [7]2 years ago
7 0

Answer:

the common ration is -0.4. Three terms: 2.56,-1.024, and 0.4096
Step-by-step explanation:

You just keep on multypling the terms by -0.5 ,and you get.

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The sum of two numbers is 100 and their difference is -20. What are the two numbers?
salantis [7]

Answer:

x=40 and y= 60

Step-by-step explanation:

<u>step:1</u>

Let 'x' and 'y' are two numbers

given data the sum of two numbers is 100

x+y = 100......(1)

Given difference of two numbers are

x - y = -20 ......(2)

<u>Step :2</u>

solving the equation (1) and (2)

adding the equations (1) and (2)

x+y+x-y=100-20

cancelling 'y' terms are

2 x = 80

dividing "2" on both sides, we get

x = 40

<u>Step :3</u>

substitute x = 40 in equation (1)

x + y =100

40 + y = 100

subtracting "40" on both sides, we get

40 + y - 40 = 100 -40

y = 60

Final answer:-

The two numbers are x = 40 and y= 60

3 0
3 years ago
Please help, show me how to check the answer to this
sveta [45]
3x-7=5x=19
3x-7-5x=5x+19-5x
-2x-7=19
-2x-7+7=19+7
-2x=26
-2x/-2=26/-2
x=-13

:) Did you get that?
5 0
3 years ago
CAN SOME ONE PLEASE ANSWER THIS RIGHT THANK YOU
Galina-37 [17]

Answer:

2:A number is greater than 17.2

Step-by-step explanation:

the ">" in the inequality represents is greater

so the m> means m is greater than... and then the 17.2 means m is greater than 17.2. The way I learnt it was to imagine the ">" sign is like a crocodile, it wants the bigger number. So the ">" being towards the "m" shows that m is the bigger number.

3 0
2 years ago
Read 2 more answers
*80 POINTS!!!! PLEASE HELP ME I HAVE BEEN WAITING FOR MORE THAN AN HOUR!!!!!!!!!! MARKING AS BRAINLIEST!! PLEASE SHOW WORK AND E
ruslelena [56]

Answer:

  D.  tan(-π/6)

Step-by-step explanation:

The tangent function is periodic with a period of π, so ...

  tan(5π/6) = tan(5π/6 ± kπ) . . . for any integer k

For k = -1, we have ...

  tan(5π/6) = tan(5π/6 -π) = tan(-π/6)

7 0
3 years ago
Hey can anyone pls help me out in dis real quick!!!!!!!!!!
Kazeer [188]

Answer:

It looks the same but it can be smaller or big and they both look the same shape.

Step-by-step explanation:

4 0
3 years ago
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