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4 years ago

Which situation is an example of an obserational study apex

Mathematics

2 answers:

NISA [10]4 years ago

8 0

Answer:

Finding out tye number of monthly burglaries of a residential neighborhood for a statistical study for the police

kompoz [17]4 years ago

5 0

Answer:

be more descriptive I have no clue what you mean

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Write the rule for the nth term of the following sequence.

denis-greek [22]

Answer:

$2^{n-3}$ is the nth term of the given sequence.

Step-by-step explanation:

The sequence given is

$\frac{1}{4},\frac{1}{2},1,2,4 .....$

We can clearly see that 1st term is $\frac{1}{4}$ and 2nd term is $\frac{1}{2}$

2nd term is obtained by multiplying the 1st term by 2.

2nd term is $\frac{1}{2}$ and 3rd term is 1.

3rd term is obtained by multiplying the 2nd term by 2.

3rd term is 1 and 4th term is 2.

4th term is obtained by multiplying the 3rd term by 2.

Clearly, the given series is a Geometric Progression(GP) with

First term, $a = \frac{1}{4}$

Common Ratio, $r = 2$

We know that $n^{th}$ term for a GP is:

$a_n = ar^{n-1}$

Putting values of a and r

$a_n = \dfrac{1}{4}2^{n-1}\\a_n = \dfrac{1}{2^{2} }2^{n-1}\\a_n = 2^{n-1-2}\\a_n = 2^{n-3}$

Hence, $2^{n-3}$ is the nth term of the given sequence.

3 0

3 years ago

21 lizards: 35 frogs

Firdavs [7]

Answer:

To simplify the ratio, you can put it into a fraction and divide both the numerator and the denominator

Both numbers can be divided by 7

21/7= 3

35/7= 5

3 lizards: 5 frogs

Step-by-step explanation:

Hope this helps!

BTW...if y'all have any questions for school (it can be any grade level or subject) just comment here and I will get to it as soon as I can!! ❤

6 0

3 years ago

PLEASE HELP ME ASAP!!! Thank you

Gala2k [10]

Answer:

1. False

2. 30°

Step-by-step explanation:

Because 30 + 30 is 90

3 0

3 years ago

PLEASE HELP PICTURE SHOWN

den301095 [7]

Option C and D is correct .....

4 0

3 years ago

PLEASE ANSWER FAST! TODAY IS MY BIRTHDAY AND I'M TIRED! What is the equation of the graphed line?

worty [1.4K]

(0,0) (3,2)

2-0= 2
3-0= 3

the slope is 2/3

y=mx+b
0=2/3(0)+b
b=0

y=2/3x

3 0

4 years ago