3 years ago

Seca

Mathematics

1 answer:

DaniilM [7]3 years ago

7 0

You should give more points depending on the hard Answers..

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B) Select all expressions that can be used to find 85% of 280.

abruzzese [7]

Answer:

238

85%of 280 is 238

Step-by-step explanation:

hope this helps

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2 years ago

Who is good at geometry and willing to answer my questions?<br> The reward: 50 pts.

blsea [12.9K]

Answer:

Step-by-step explanation:

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3 years ago

Find the midpoint of the segment connecting (4,7) to (-2,3).

Vadim26 [7]

Answer:

<h2>Midpoint (1 , 5)</h2>

Step-by-step explanation:

Let (x , y) be the coordinates of the midpoint then:

$x=\frac{4+(-2)}{2} = 1\\\\y=\frac{7+3}{2} =5$

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3 years ago

Hep asappppppppppppp

schepotkina [342]

Answer:

(6 , -1)

Step-by-step explanation:

2x+ y = 11 ----------------(I)

y = 11 - 2x --------------------(II)

$\frac{1}{2}x - 5y = 8$

Multiply the whole equation by 2

$2*\frac{1}{2}x -2*5y = 2*8$

x - 10y = 16 --------------------(III)

Substitute y = 11- 2x in equation (III)

x - 10(11 - 2x) = 16

x - 110 + 20x = 16

21x - 110 = 16

21x = 16 +110

21x = 126

x = 126/21

x = 6

Plugin x = 6 in equation (II)

y = 11 - 2*6

y = 11 - 12

y = -1

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2 years ago

How many diagonals can be drawn from one vertex of a hexagon

Dmitrij [34]

Three diagonals can be drawn in a hexagon mmyyy dude.

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3 years ago

Read 2 more answers