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kondaur [170]
3 years ago
13

the pattern below follows the rule "starting with a value of 3, every consecutive row has a value that is 2 less than twice the

value of the previous row" what is the fifth value? a. 18 b. 12 c. 34 d. 66
Mathematics
1 answer:
viva [34]3 years ago
7 0

Answer: a. 18

Step-by-step explanation:

Given phrase : "starting with a value of 3, every consecutive row has a value that is 2 less than twice the value of the previous row"

The recursive formula for the given phrase :-

a_n=2a_{n-1}-2

The first term : a_1=3

The second term : a_2=2(3)-2=4

The third term : a_3=2(4)-2=6

The fourth term : a_4=2(6)-2=10

The fifth term : a_5=2(10)-2=18

Hence, the fifth value of the pattern = 18

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HELP PLEASE
Hoochie [10]
If you had values instead of algebraic expressions, you would find the area of the patio and subtract that from the area of the yard. Even though you don't have values, you can still find the area and subtract by expanding and simplifying:
(8x + 2)(6x + 3)
8x × 6x = 48x²
8x × 3 = 24x
2 × 6x = 12x
2 × 3 = 6
So you get 48x² + 36x + 6 as your area of the yard

(x + 5)(3x + 1)
x × 3x = 3x²
x × 1 = x
5 × 3x = 15x
5 × 1 = 5
So the area of the patio is 3x² + 16x + 5

(48x² + 36x + 6) - (3x² + 16x + 5)
48x² - 3x² = 45x²
36x - 16x = 20x
6 - 5 = 1

So your answer is D. 45x² + 20x + 1. I hope this helps!

6 0
3 years ago
3 more than 3 times a number is equal to 12 less than 6 times the number. what is the number?
lorasvet [3.4K]

Answer:

Step-by-step explanation:

18

5 0
3 years ago
Read 2 more answers
Name each polynomial by degree and number of terms of -7
denis-greek [22]

Answer: i couldn’t find the answer to this one either

Step-by-step explanation:

4 0
2 years ago
Can someone help me out how to work on this.
enyata [817]

Answer:

I don't think any are a correct graph of the function. But here are the ordered pairs. (1,0),(0,-2),(-1,-4)

Step-by-step explanation:

Take three values for x and plug them in for your y's. For instance x values of 1,0,-1. Plug each in to find the y value. 2(1) - 2 =y so (1,0)

3 0
3 years ago
Read 2 more answers
Tomas is making trail mix using granola and walnuts. He can spend a total of $12 on the ingredients. He buys 3 pounds of granola
murzikaleks [220]

Not really sure what you are looking for, but this is how to solve equations such as these.

Let:

x = number of pounds of granola

y = numer of pounds of walnuts

The equation he can use to compute the total cost would be:

$2.00x + $6.00y = $12.00

We know that he bought 3 pounds of granola, so we plug in that for the x value:

$2.00(3) + $6.00y = $12.00

$6.00 + $6.00y = $12.00

To isolate the unknown value which is y, we first need to subtract $6.00 from both sides of the equation:

$6.00 + $6.00y - $6.00 = $12.00 - $6.00

$6.00y = $6.00

Then we divide both sides by $6.00:

$6.00y/$6.00 = $6.00/$6.00

y = 1

So the number of bags of walnuts he can buy is 1 bag.

5 0
3 years ago
Read 2 more answers
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