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2 years ago

Find the perimeter and area of the figure with the given coordinates:

Mathematics

1 answer:

igor_vitrenko [27]2 years ago

3 0

Sorry but I can’t see the picture

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3. In the equation below, k is a constant. If x = 6, what is the value of k?<br> Vk + 2 - x = 0

ehidna [41]

Answer:

Write the equation with 6 for x

Vk + 2 - 6 = 0

Vk - 4 = 0

Add 4 to both sides

Vk = 4

Divide both sides by V

k = 4/V

Step-by-step explanation:

5 0

3 years ago

Can you please help me do find a resolution for these equations

rusak2 [61]

Answer:

x=-5

Step-by-step explanation:

I did a for #42

2(x-5)=3x+5

simplify

2x-10=3x+5

subtract 2x from both sides

-10=3x+5

subtract 5 from both sides

-15=3x

divide both sides by 3

-5=x

6 0

3 years ago

HELP ITS DUE IN 4 MINUTES

lions [1.4K]

Answer:

3rd choice

4th choice

1st choice

2nd choice

8 0

3 years ago

The recursive rule for a sequence is shown.an=an−1+9a1=21 what is the explicit rule for this sequence?

bixtya [17]

Answer:

Meaning of Explicit rule , is the general rule for a sequence.

The given sequence is defined as,

$a_{n}=a_{n-1}+9a_{1}-21$ ----(1)

Common Difference(d) of an airthmetic Sequence= N th term - (N-1) th term

$=a_{n}-a_{n-1}\\\\=a_{n-1}-a_{n-2}$

Equation 1 can be written as,

$a_{n}-a_{n-1}=9 a_{1}-21\\\\ d =9a_{1}-21$

General rule or explicit rule for this sequence is given as:

$a_{n}=a_{1} +(n-1)d\\\\a_{n}=a_{1}+(n-1)(9a_{1}-21)\\\\a_{n}=a_{1}+9na_{1}-21 n-9a_{1}+21\\\\a_{n}=-8a_{1}+21+n(9a_{1}-21)$

6 0

3 years ago

The area of a pentagon increased by 27 is the same as four times the area of the pentagon, minus 15. what is the area of the pen

Basile [38]

Set up an algebraic equation. This is what it looks like based on what the question tells you:

Let a = area of pentagon
a+27 = 4a-15
3a-15 = 27
3a = 42
a = 14

6 0

3 years ago