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3 years ago

Plzzzzzzzzzz help me somebody, anybody. my questions always get skipped over!

Mathematics

2 answers:

VLD [36.1K]3 years ago

7 0

(7,2) it’s just basic graphing

Alexus [3.1K]3 years ago

4 0

I believe the answer is B. Hope this helps!

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What is the explicit formula for this geometric sequence with recursive formula

Nonamiya [84]

generate the first few terms using the recursive formula

$a_{2}$ = - 7 × $\frac{1}{3}$ = - $\frac{7}{3}$

$a_{3}$ = - $\frac{7}{3}$ × $\frac{1}{3}$ = - $\frac{7}{9}$

$a_{4}$ = - $\frac{7}{9}$ × $\frac{1}{3}$ = - $\frac{7}{27}$

r = $a_{2}$ / $a_{1}$ = $\frac{1}{3}$

the n th term formula (explicit ) for a geometric sequence is

$a_{n}$ = $a_{1}$ $r^{n-1}$ = - 7( $\frac{1}{3}$ )^(n - 1)

6 0

3 years ago

Read 2 more answers

How do you solve 4(8x+5)

alexandr1967 [171]

Answer:

32x+20

Step-by-step explanation:

4*8x+4*5=

32x+20

3 0

3 years ago

Read 2 more answers

Which has the larger area, a square with sides that are x +1 units long or a rectangle with a length of x +2 units and a width o

swat32

Answer:

A. Square

Explanation:

The square with sides: x+1

Has an area of: (x+1)^2

The rectangle with sides: x+2 and x

Has an area of: x(x+2)

So we simplify the square: (x+1).(x+1)= x^2+2x+1

Simplifying the rectangle: x^2+2x

Therefore the square area is larger by one unit.

Hope you get it!

6 0

3 years ago

A memory card at Best Buy has a sticker price of $129.20.

attashe74 [19]

It’s $138.89 including sales tax

7 0

3 years ago

Read 2 more answers

David is buying fish for his aquarium. Clown fish cost $12 each and angel fish cost $7 each. If he has $100 to spend, and he wan

Anni [7]

Answer:

6 clown fish and 4 angel fish

Step-by-step explanation:

lets say he bought 8 clown fish.

12*8 = 96

the last 4 dollars wont be used.

lets say he bought 7 clown fish-

12*7 = 84

100 - 84 = 16. 16 is not a multiple of 7.

lets say he bought 6 clown fish,

12*6 = 72

100 - 72 = 28

28/7 = 4

If David has $100 dollars to spend and wants to spend every dollar, he can buy 6 clown fish and 4 angel fish.

3 0

2 years ago