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oee [108]
3 years ago
15

What is the next term of the geometric sequence? 2, -10, 50,

Mathematics
1 answer:
Anon25 [30]3 years ago
3 0
To find the common ratio, divide the second term by the first term

-10 / 2 = -5

to find each term in a geometric sequence, u multiply by the common ratio.....
2 * -5 = -10
-10 * -5 = 50
50 * -5 = - 250 <== ur next term
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3w = -27 (equation) ​
kotykmax [81]
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5 0
2 years ago
Read 2 more answers
X^2+y^2=169, 3x+2y=39 please answer using substitution and each step
Oksanka [162]

Answer:

x=13,y=0

Step-by-step explanation:

We are given a system of equations

{x}^{2}  +  {y}^{2}  = 169 -  - eqn \: 1 \\ 3x + 2y = 39 -  - eqn \: 2

For equation 1,square all terms to reduce it

√x²+√y²=169

x+y=13

Make x the subject as required by the question to use substitution method

x=13-y

Plug x=13-y into eqn 2

3(13-y)+2y=39

39-3y+2y=39

39-y=39

y=39-39=0

Plug y=0 into equation 1

x+0=13

x=0

7 0
2 years ago
85 : 45 = 170 : x<br><br> Answer to get the answer for x
Marina86 [1]

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8 0
2 years ago
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