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1 year ago

The following duties need to be carried out: clean the board, arrange

Mathematics

1 answer:

ollegr [7]1 year ago

8 0

Step-by-step explanation:

every single person will do 1/4 of each job.

divide into 2 group and each person will do half of one job and half of another.

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Find the perimeter of the polygon. Round your answer to the nearest tenth.

lubasha [3.4K]

Answer:

Perimeter is 38.8 units and approximately 39 units

Step-by-step explanation:

Given: Graph

To find: perimeter of the polygon

Solution:

Distance between points $(x_1,y_1),(x_2,y_2)$ is given by $\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

As per the graph,

point P is (-2,11)

point Q is (-4,6)

point R is (2,0)

point S is (1,7)

point T is (8,7)

$PQ=\sqrt{(-4+2)^2+(6-11)^2}=\sqrt{(-2)^2+(-5)^2}=\sqrt{29}=5.4\,\,units\\QR=\sqrt{(2+4)^2+(0-6)^2}=\sqrt{(6)^2+(-6)^2}=\sqrt{72}=8.5\,\,units\\RS=\sqrt{(1-2)^2+(7-0)^2}=\sqrt{(-1)^2+(7)^2}=\sqrt{50}=7.1\,\,units\\ST=\sqrt{(8-1)^2+(7-7)^2}=\sqrt{(7)^2+(0)^2}=\sqrt{49}=7\,\,units\\PT=\sqrt{(8+2)^2+(7-11)^2}=\sqrt{(10)^2+(-4)^2}=\sqrt{116}=10.8\,\,units$

Perimeter refers to sum of lengths of all the sides.

Perimeter = $5.4+8.5+7.1+7+10.8=38.8$

Or approximately 39 units

3 0

3 years ago

The sum of a number and -4 is no smaller than 18

Andreas93 [3]

Step-by-step explanation:

You mean the answer is - 14

So - 14 + (-4) =

- 14 - 4 = 18

3 0

3 years ago

#12 only please I need to turn this in tommorow help

alexandr1967 [171]

Answer:

B hope it helps!

7 0

3 years ago

Read 2 more answers

Consider the functions p and q.

xz_007 [3.2K]

Answer:

q= -1x

coordinates of p are .5, 2

Step-by-step explanation:

I apologize if I'm wrong love

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2 years ago

WILL GIVE BRAINLIEST IF BOTH QUESTIONS ARE CORRECT!!!

julia-pushkina [17]

Answer:

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Step-by-step explanation:

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3 years ago