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2 years ago

What’s the perimeter can you show me how to do it

Mathematics

1 answer:

goldenfox [79]2 years ago

7 0

Answer:

48 sq. ft.

Step-by-step explanation:

P=12 times 12 which equals 144

A=12+12+12+12=48

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1. Which of the following is an irrational number? How do you know? Use key words and definitions to explain your answer choice.

Angelina_Jolie [31]

1:-

0.25

it should be in p/q form

$\\ \rm{:}\twoheadrightarrow 0.25$

$\\ \rm{:}\twoheadrightarrow \dfrac{25}{100}$

$\\ \rm{:}\twoheadrightarrow \dfrac{1}{4}$

q not equal to zero hence proved

2:-

Its Slightly false.

Counter example :-

The sum of two rational numbers is may be rational. The sum of two irrational numbers is always irrational.”

ex:-

$\\ \rm{:}\twoheadrightarrow \dfrac{1}{2}+\dfrac{1}{2}$

$\\ \rm{:}\twoheadrightarrow 1$

3:-

NOTA

$\\ \rm{:}\twoheadrightarrow 6(94)+7+(3+2)$

$\\ \rm{:}\twoheadrightarrow 564+7+5$

$\\ \rm{:}\twoheadrightarrow 576$

4 0

2 years ago

A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets

solong [7]

Answer:

a=8

c=5.5

Step-by-step explanation:

solve simultaneously:

2a + 4c = 38.00

3a + 3c = 40.50

times the first eq. by 3 and the second by 2

6a + 12c = 114

6a +6c = 81

subtract from one another

6a + 12c = 114

-6a +6c = 81

6c = 33

c=5.5

3a + 3x5.5 = 40.50

3a= 24

a=8

7 0

2 years ago

A culture started with 2,000 bacteria. After 2

xenn [34]

Answer:

2450

Step-by-step explanation:

First you will divide;

200÷4=50

Then you multiply;

50×9=450

Last you add;

2000+450=2450

Hope this helps :D

3 0

2 years ago

Ted spent half of his weekly allowance playing arcade games. To earn more money his parents let him wash the car for $7. What is

GalinKa [24]

Answer:

14?

Step-by-step explanation:

well if he spent half that means 14 - 7 = 7

7 + 7 is fourteen soooo im pretty sure its 14 yw

8 0

2 years ago

ABCD is a rhombus. If m<1=122, then what is the measure of <2 and <3

Svetach [21]

M < 2 will be 180 - 122 = 58 degrees

< 3 is opposite < 1 so it will be = 122 degrees

4 0

2 years ago