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antiseptic1488 [7]
2 years ago
5

Please answer ill pay 50

Mathematics
2 answers:
ASHA 777 [7]2 years ago
5 0

Answer:

I can answer 1-6

1,12

2,-32

3, -35

4, -10

5, 24

6, 90

Sergio039 [100]2 years ago
4 0

Answer:

1:12

2:-32

3: -35

4: -10

5: 24

6: 90

7: 41.  I used the properties of multiplication to find the product by multiplying 41•1=41 and the 2 negatives cancel each other out.

8: the product is -80. What she could've done is forgot to add the negative sign.

Step-by-step explanation:

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Find a recursive formula for the sequence:<br><br> 1, -1, -7, -25
Mumz [18]
<h3>Answer:</h3>

a_n=3a_{n-1}-4

<h3>Step-by-step explanation:</h3>

<em>Try the answers</em>

You can try the answers to see what works. You can expect all of the choices to match the first two terms, so try some farther down. Let's see if we can get -25 from -7.

a) 3*(-7) -4 = -21 -4 = -25 . . . . this one works

b) -7 -2 = -9 . . . . ≠ -25

c) -3(-7) +2 = 21 +2 = 23 . . . . ≠ -25

d) -2(-7) +1 = 14 +1 = 15 . . . . ≠ -25

The formula that works is the first one.

_____

<em>Derive it</em>

All these formulas depend on the previous term only, so we can write equations that show the required relationships. Let the unknown coefficients in our recursion formula be p and q, as in ...

a_n=p\cdot a_{n-1}+q

Then, to get the second term from the first, we have

... 1·p +q = -1

And to get the third term from the second, we have

... -1·p +q = -7

Subtracting the second equation from the first gives ...

... 2p = 6

... p = 3 . . . . . . . this is sufficient to identify the first answer as correct

We can find q from the first equation.

... q = -1 -p = -1 -3 = -4

So, our recursion relation is ...

a_n=3a_{n-1}-4

6 0
3 years ago
The lead statue of the Korean War Memorial in Washington DC casts a 43.5 inch shadow at the same time a nearby tourist casts a 3
AfilCa [17]

Answer:

The lead statue is 87 inches tall

Step-by-step explanation:

Let

x ----> the height of the lead statue

using proportion

we know that

The height of the  lead statue divided by the length of his shadow must be equal to the height of the tourist divided by the length of his shadow.

so

\frac{x}{43.5}=\frac{64}{32}\\\\\frac{x}{43.5}=2\\\\x=2(43.5)\\\\x=87\ in

3 0
3 years ago
According to the properties of inequality, when should the inequality symbol be reversed when solving a two-step inequality in t
Nina [5.8K]

Answer:

when a is negative, the symbol will be reversed

8 0
2 years ago
Horse stock is attached
Vesnalui [34]

Answer:

fgdfgdfgdfgdf

Step-by-step explanation:

gfdgdfgfdgdfgfdgfd

4 0
2 years ago
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What's sixty nine thousand one hundred eight written in standred form
Vadim26 [7]
The answer is 69,108
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2 years ago
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