MATHEMATICS MIDDLE SCHOOL

What is the recursive formula for this geometric sequence

6, -24, 96, -384,...

Answers

Answer 1
Answer:

Answer:

see explanation

Step-by-step explanation:

The recursive formula allows us to calculate the next term in the sequence from the previous term.

The common ratio r = (-24)/(6) = - 4

Thus multiplying any term by - 4 gives the next term, that is

a_(n+1) = - 4 a_(n) with a₁ = 6

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How do you write this in a algebraic equation: 6 more than 7 times a number is 41
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The square root of 617 is between which two numbers?

Answers

the square root of 617 is between the numbers 24 and 25

mrs.ameldo's class has 5 students with blue eyes seven with brown eyes for with hazel eyes and 4 with green eyes two students are selected at random find each probability green then Brown please help

Answers

for brown the probability would be 7/20

for green the probability would be 4/20
for brown it would probably be 7/20
and 

Area of a rectangle with a width of 36cm and a perimeter of 80cm

Answers

The area would be 144cm^2.

In order to find the area, we need to know the length of the rectangle. We can find that using the perimeter formula.

2l + 2w = P

2l + 2(36) = 80

2l + 72 = 80

2l = 8

l = 4

So now that we know the length is 4, we can find the area using that formula.

A = lw

A = (4)(36)

A = 144

candice bought 3 shirts. Each shirt cost the same amount and was discounted by 3.66. Candice paid a total of 62.31 before tax. How much did each shirt cost before the discount?

Answers

Just divide 62.31 by three. The subtract the number you get by 3.66. That should be your answer.
$62.31 ÷ 3 = $20.77

$20.77 + $3.66 = $24.43

The answer us $24.43

What is the approximate area of the shaded region? A.
104.86 cm²

B.
87.47 cm²

C.
27.02 cm²

D.
10.54 cm²

Answers

7 x 7 = 49 area of square.

 The radius of the circle is half the diameter.   7 cm/2 = 3.5 

  A = 3.14 × 3.5 cm × 3.5 cm = 38.465

Finale step.  Subtract the area of the circle from the area of the square.                     

49 cm^2 −38.465 cm^2 = 10.535 or round to 10.54 cm^2

D. 10.54


which of the following is not a pythagoren tripple? A. 15, 46, 39 B. 24, 45, 51 C. 21, 72, 76 D. 18, 24, 30

Answers

Answer:

A

Step-by-step explanation:

15^2 = 225 (memorize everything to 20, thank me later)

39^2 = 1521 (just use a calculator for everything higher)

225 + 1521

1521 =?= 45^2

45^2 = 2025

1521 =/= 2025

Just to be sure, I'll do 15^2 + 45^2 (going to be too much)

225 + 2025 = 2250

2250 =/= 1521
The answer would be a
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