2 years ago

In need this quickly

Mathematics

1 answer:

EastWind [94]2 years ago

8 0

Answer:

are there any other pieces to this problem?

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I am not sure how sigma notation works, can somebody explain how to solve this? It isn't the second choice.

Masja [62]

Answer:

first answer is correct

Step-by-step explanation:

Hello, we want to write 2 + 4 + 6 + ... + 20

for n = 1, 2n = 2*1 =2

for n = 2, 2n = 2*2=4

for n = 3, 2n=2*3=6

etc

$\displaystyle \sum_{n=1}^{10} {2n} = 2*1 + 2*2 +2*3+2*4+...+2*10=2+4+6+8+...+20$

thanks

6 0

3 years ago

Is -3y = 5x + 4 perpendicular

aivan3 [116]

Answer:

no it is not perpedicular

Step-by-step explanation:

I plugged the equation into a graphing calculator and the line does not appear to be perpendicular

5 0

3 years ago

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Tell whether you can make a unique triangle with sides measuring 5cm, 4cm, and 20cm.

Marina CMI [18]

Answer:

The answer your looking for is no, because in any certain type of triangle. Each triangle is 180 degrees like trying to find the missing angle of a triangle.

Step-by-step explanation:

6 0

3 years ago

The two-way table displays the hair color of the sophomore (So), junior (Jr), and senior (Sr) classes at West Coast High School,

Paul [167]

Answer:

P(E|F)=60% P(E)=60% Events E and F are independent

Step-by-step explanation:

I took it and got it right

5 0

3 years ago

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Please do not claim this unless you answer the question.

anygoal [31]

Negative , you always put the biggest numbers value at the end

7 0

1 year ago

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