3 years ago

Help ASAP! Will vote brainliest!

Mathematics

1 answer:

romanna [79]3 years ago

5 0

The answer I. C : negative correlation, and casualty

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What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47+ ...?

Alex

Answer:

$\huge\boxed{18,475}$

Step-by-step explanation:

The terms of this sum make the arithmetic sequence.

The fomula of a sum of <em>n</em> terms of an arithmetic sequence:

$S_n=\dfrac{[2a_1+(n-1)d]\cdot n}{2}$

We have

$a_1=2\\d=17-2=32-12=47-32=15\\n=50$

Substitute:

$S_{50}=\dfrac{[2\cdot2+(50-1)\cdot15]\cdot50}{2}=(4+49\cdot15)\cdot25=(4+735)\cdot25\\\\=739\cdot25=18,475$

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3 years ago

The image below shows two parallel lines cut by a transversal. What is the measure of angle 1?

Yuri [45]

180 - 78 = 102

< 1 = 102*

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On a number line ,4.1 would be located. choose all answers that make a true statement.

Soloha48 [4]

Answer:

Step-by-step explanation:

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What is the value of the expression 5ab - 2c, where a = 2, b = 3 and c=0?

Len [333]

Answer:

Step-by-step explanation:

5*2*3-2*0 ( when we multiply any number with zero then the result is also zero)

30-0

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[15 Points] Solve for x.<br> <img src="https://tex.z-dn.net/?f=45x%2B34%3D24x%2B16" id="TexFormula1" title="45x+34=24x+16" alt="

sergiy2304 [10]

Answer:

6/7

Step-by-step explanation:

45x+34=24x+16

collect like terms, we now have;

45x-24x=16-34

21x=-18

X=18/21

X=6/7

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