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3 years ago

There is 3/4 of pizza leftover from the night before. How many 1/8 portions are there?

Mathematics

1 answer:

wolverine [178]3 years ago

4 0

6 portions because you would convert 3/4 and 6/8 , if you find how many times it goes into 1/8 it would be 6.

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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

This problem aswell not get it fully

ANTONII [103]

Answer:

70.95 cm squared

Step-by-step explanation:

11 x 4.3 = 47.3

47.3 / 2 = 23.65

3 x 23.65 = 70.95

the volume is 70.95 cm squared

8 0

2 years ago

Find the dimensions of a rectangle (in m) with area 1,728 m2 whose perimeter is as small as possible. (Enter the dimensions as a

lozanna [386]

Given :

Area of rectangle.

To Find :

The dimensions of a rectangle (in m) with area 1,728 m2 whose perimeter is as small as possible.

Solution :

Let, the dimensions of rectangle is x and y.

Area, A = xy.

x = A/y. ....1)

Perimeter, P = 2( x + y )

Putting value of x in above equation, we get :

$P = 2( y + \dfrac{A}{y})$

For minimum P,

$\dfrac{dP}{dx}=2( 1 - \dfrac{A}{x^2})=0\\\\A = x^2$

SO, it is a square.

$x=\sqrt{A}\\\\x=\sqrt{1728\ m^2}\\\\x=24\sqrt{3}\ m$

Therefore, the dimensions are $(24\sqrt{3},24\sqrt{3})$ .24\sqrt{3}

Hence, this is the required solution.

7 0

3 years ago

(197)^2-(97)^2 evaluate without using calculator or table<br>

Bezzdna [24]

Answer:

29400

Step-by-step explanation:

$formula: \\ {a}^{2} - {b}^{2} = (a + b)(a - b) \\ ( {197)}^{2} - ( {97)}^{2} \\ = (197 + 97)(197 - 97) \\ = 294 \times 100 \\ = 29400 \\$

3 0

3 years ago

David and Amanda are trying to figure out how long they can live off their $12,350 savings if they spend $240 each month. They h

Romashka [77]

David's : y = 12,350 - (240x)
Amanda's : y = 12,350 + (240x)

David's equation is correct, because their spending will be multiplied by the number of months and then subtracted from their savings

7 0

3 years ago

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