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olchik [2.2K]
3 years ago
14

Help please!(picture)

Mathematics
1 answer:
UkoKoshka [18]3 years ago
5 0

Answer:

7a - 2

Step-by-step explanation:

A perimeter is just the sum of all sides added together, so just put all the expressions together into a big equation.

2a - 3 + 2a + 3a + 1

Combine like terms

7a - 2

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What is the value of x when -8 x - (8x) = -48?
Simora [160]

Answer:

x=3

Step-by-step explanation:

-8x-(8x)=-48

-8x-8x=-48

Collect like terms

-16x=-48

Divide both sides by-16

x=3

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Step-by-step explanation:

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What is the value of f(1)?
Anni [7]
Check the picture below.

6 0
3 years ago
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Compare 5.7145 and √29 Show work
Ostrovityanka [42]
The square root of 29 is 5.3851

Compare the first number. In this case, both are five, so move on to the next number.

7 is greater than 3, so the answer would be 5.7145 > The square root of 29.
8 0
3 years ago
Read 2 more answers
Given the points (–3,k) and (2,0), for which values of k would the distance between the points be 34‾‾‾√ ?
galina1969 [7]

The distance between  the points (–3,k) and (2, 0) exists k = ± 3.

How to estimate the distance between points (–3, k) and (2, 0)?

To calculate the distance between two points exists equal to

$d=\sqrt{(y 2-y 1)^{2}+(x 2-x 1)^{2}}$

we have (-3, k) and (2, 0)

$&d=\sqrt{34}

substitute, the values in the above equation, and we get

$\sqrt{34} &=\sqrt{(0-k)^{2}+(2+3)^{2}} \\

simplifying the above equation

$\sqrt{34} &=\sqrt{(-k)^{2}+(5)^{2}} \\

$\sqrt{34} &=\sqrt{k^{2}+25}

squared both sides

$&34=k^{2}+25 \\

$&k^{2}=34-25 \\

$&k^{2}=9 \\

k = ± 3

Therefore, the value of k = ± 3.

To learn more about distance refer to:

brainly.com/question/23848540

#SPJ4

6 0
1 year ago
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