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3 years ago

Plz help what is the perimeter of the rectangle

Mathematics

2 answers:

vekshin13 years ago

8 0

Answer:

Step-by-step explanation:

e-lub [12.9K]3 years ago

3 0

Answer:

18 units

Step-by-step explanation:

The base is 7-4 = 3 units

The height is 8 - 2 = 6 units

P = 2(b+h)

P = 2( 3+6)

P = 2(9)

P = 18

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Ivanshal [37]

Answer:

third option: log_2 1/3

Step-by-step explanation:

change of base formula:

log_b a= (log_x a)/(log_x b)

(log 1/3)/(log 2)

apply reverse change of base formula

2 from log 2 becomes new base, and 1/3 becomes the other number

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7 0

2 years ago

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kicyunya [14]

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2 years ago

On a coordinate plane, the segment with endpoints (10, 40) and (70, 120) is

OlgaM077 [116]

Answer:

The length of the resulting segment is 500.

Step-by-step explanation:

Vectorially speaking, the dilation is defined by following operation:

$P'(x,y) = O(x,y) + k\cdot [P(x,y)-O(x,y)]$ (1)

Where:

$O(x,y)$ - Center of dilation.

$P(x,y)$ - Original point.

$k$ - Scale factor.

$P'(x,y)$ - Dilated point.

First, we proceed to determine the coordinates of the dilated segment:

( $P(x,y) = (10, 40)$ , $Q(x,y) = (70, 120)$ , $O(x,y) = (0,0)$ , $k = 5$ )

$P'(x,y) = O(x,y) + k\cdot [P(x,y)-O(x,y)]$

$P(x,y) = (0,0) +5\cdot [(10,40)-(0,0)]$

$P'(x,y) = (50,200)$

$Q'(x,y) = O(x,y) + k\cdot [Q(x,y)-O(x,y)]$

$Q' (x,y) = (0,0) +5\cdot [(70,120)-(0,0)]$

$Q'(x,y) = (350, 600)$

Then, the length of the resulting segment is determined by following Pythagorean identity:

$l_{P'Q'} = \sqrt{(350-50)^{2}+(600-200)^{2}}$

$l_{P'Q'} = 500$

The length of the resulting segment is 500.

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2 years ago

An open box with a square base is to be made from a square piece of cardboard 12 inches on a side by cutting out a square from e

const2013 [10]

36 is your answer hope this helps

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3 years ago

Find the value for f(x) = 22

Varvara68 [4.7K]

Answer:

Step-by-step explanation:

Another way to solve would be to distribute first:

22 = 2(x + 6)

22 = 2x + 12

Subtract 12:

22 - 12 = 2x - 12

10 = 2x

Divide by 2:

10 / 2 = 2x / 2

5 = x

3 0

3 years ago

Read 2 more answers