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3 years ago

Please, can anyone help me with these questions? Thank you.

Mathematics

1 answer:

liberstina [14]3 years ago

5 0

$9.6

Step-by-step explanation:

.06 times 160 is 9.6

and then just add them 169.6

I don't know about c so i apologize

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Evaluate the function t(x)=19-x, when x=-3

Zigmanuir [339]

Substitute -3 to the function equation where x found . therefore it will be 19--3=22. the final answer is 22

4 0

3 years ago

For the sequence 3, 8, 13, 18, 23, ….: (i) Find recursive and non-recursive formulas. (ii) Prove the non-recursive formula using

Aleksandr-060686 [28]

Answer:

Step-by-step explanation:

Given is the sequence 3, 8, 13, 18, 23, ….:

We find that this is a geometric sequence with each term added with 5 to the previous term

Hence recursive formula is $a_n =a_{n-1} +5$

Non recursive formula:

$a_n =a_{n-1} +5=a_{n-2} +2(5)\\=a_{n-3} +3(5)-...\\=a_{n-(n-1)} +5(n-1)\\=a_1+(n-1)5\\=3+5n-5\\=5n-2$

iii) Start with 3.

Add 5 and write as 2nd term

Take the resulting term and add 5 and mark as 3rd term

Repeat this m times.

7 0

3 years ago

Use each method to solve system of linear equation. Show your solution.

Sphinxa [80]

Answer:

x=-1 y =-1

Step-by-step explanation:

multiply equation 1 with (-2)

+6x-2y=-14

5x+2y=3

now add equation 1 to equation 2

11x=-11

x=-1

now substitute x=1 in 1 or 2

5(1)+2y=3 5+2y=3 2y=3-5 2y= -2 y= -1

4 0

2 years ago

5x - 4y = -8 x + 4y F-16

Elden [556K]

The answer is 12 I think

3 0

3 years ago

Solve for the inequality x / 3 < -7

Aneli [31]

Answer:

$x < - 21$

Step-by-step explanation:

1. Multiply both sides by 3.

$x < - 7 \times 3$

2. Simplify 3 × 7 to 21.

$x < - 21$

therefor, the answer is x < -21

3 0

3 years ago