3 years ago

Can someone help me

Mathematics

1 answer:

Dafna11 [192]3 years ago

7 0

The Answer to this is c

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A researcher is investigating variables that might be associated with the academic performance of high school students. She exam

zloy xaker [14]

Answer:

Check the explanation

Step-by-step explanation:

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5 0

3 years ago

Get the general term for the sequence being your t3 = 11 and the t20 = 244.2

marusya05 [52]

Answer:

nth term = $t_{n} = 7.639(1.2)^{n - 1}$

Step-by-step explanation:

Let us assume that the given sequence is a G.P.

Now, if the first term of the G.P. is a and the common ratio is r, then

Third term = $t_{3} = ar^{2} = 11$ .......... (1) and

20th term = $t_{20} = ar^{19} = 244.2$ ........... (2)

Now, dividing equation (2) with equation (1) we get

$\frac{ar^{19} }{ar^{2} } = \frac{244.2}{11} = 22.2$

⇒ $r^{17} = 22.2$

⇒ r = 1.2.

Hence, from equation (1) we get

a(1.2)² = 11

⇒ a = 7.639 (Approx.)

Therefore, the general term of the sequence i.e. nth term = $t_{n} = 7.639(1.2)^{n - 1}$ (Answer)

5 0

3 years ago

Which of the following are monomials ?

yawa3891 [41]

The answer would be C and E

3 0

2 years ago

Can some one just tell me if these are right? If not can I have the answers?

-Dominant- [34]

Yes you have them correct

6 0

3 years ago

Helppppppp please ASAP

cluponka [151]

Answer:

YW = 10 units

Step-by-step explanation:

∠Y ≅ ∠X ⇒ WX ≅ WY ⇒ YW = 10 units

6 0

2 years ago