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weeeeeb [17]
3 years ago
12

What is the nth term rule of the quadratic sequence below? −8,−8,−6,−2,4,12,22

Mathematics
1 answer:
NeX [460]3 years ago
3 0

Answer:

n^2 - 3x-6

Step-by-step explanation:

using the rules

2a

3a+b

and

a+b+c

the answer is n^2-3x-6

Im sorry I cannot show the table I used because this text thing doesnt allow it

I hope it helps :)

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I need help and please don’t lie about the answers! I’ll help you if you need any help on other stuff!
REY [17]

Answer:

B. 5/2

Step-by-step explanation:

We can just find the slope by using the two points.

delta y/ delta x = slope equation

(3,-1) (5,4)

4- -1/5-3 = 5/2

Answer is B, slope is 5/2

8 0
3 years ago
Habib wants to cover a kitchen wall in ceramic tile. The wall is 42 feet by 10 feet.
Slav-nsk [51]

Answer: Side of largest square tile will be 105 feet.

Explanation:

Since we have given that

dimensions of the wall is 42 feet by 10 feet

So,

Length of wall = 42 feet

Breadth of wall = 10 feet

First we calculate the H.C.F. of 42 and 10,

which is 2 only.

The largest square tile side would be 2 feet.

Now, we find the number of tiles used,

Number of tiles =

\frac{\text{Area of wall}}{\text{H.C.F. of }42\text{ and }11\times\text{ H.C.F. of }42\text{ and } 11}}\\\\=\frac{42\times 10}{2\times 2}\\\\=\frac{420}{4}\\\\=105

We get integer value of number of tiles.

Therefore, Side of largest square tile will be 2 feet.

7 0
3 years ago
Write 0.0514 as a percentage
azamat
You'd move the decimal to the right twice so 0.0514 as a percentage is <span>5.14%</span>
7 0
3 years ago
Read 2 more answers
2 water taps A B fill a tank in 12 hrs. Tap A takes 10 hrs less than tap B to till tank separately. Find time taken by tap B to
Hatshy [7]

Answer:

11 hours

Step-by-step explanation:

Setting up a system of equations and using the substitution method will give you the number of hours used by each tap.  Let a = time for tap A and b = time for tap B:

a + b = 12  (A and B fill a tank in 12 hours)

a = b - 10 (tap A takes 10 hours less than tap B)

Substitute 'b - 10' for 'a' in the first equation:

b - 10 + b = 12

Combine like terms: 2b - 10 = 12

Add 10 to both sides: 2b - 10 + 10 = 12 + 10 or 2b = 22

Divide by 2: 2b/2 = 22/2

Solve for b: b = 11 hours

5 0
3 years ago
sum of the age of son and his father is60 and the six year ago the age of father is five time the son what is the age son ?​
natali 33 [55]

Step-by-step explanation:

...hope it help u.... ..

6 0
3 years ago
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