3 years ago

The ladder to the top of the super slide is 9meters

Mathematics

1 answer:

Kazeer [188]3 years ago

8 0

That’s cool my brother

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What’s the value of x?

natali 33 [55]

Answer:

Step-by-step explanation:

here ,

6x +238 = 3x+178 ( vertically opposite angles are equal)

so 6x - 3x = 178 -238

3x =-60

x =-60/3

x=-20

hope it helps / please mark me as the brainliest..

8 0

3 years ago

Read 2 more answers

Write the sum using summation notation, assuming the suggested pattern continues. 8 - 40 + 200 - 1000 + ...

mr_godi [17]

Each successive term is -5 times the previous one, so the underlying sequence is

$a_n=-5a_{n-1}=(-5)^2a_{n-2}=(-5)^3a_{n-3}=\cdots=(-5)^{n-1}a_1=8(-5)^{n-1}$

The sum can then be written as

$8-40+200-1000+\cdots=\displaystyle\sum_{n=1}^\infty8(-5)^{n-1}$