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3 years ago

What is 66 2/3 of $48?2. what number is 7/8 of 22?3. three fourths of 60 is what number?thanks so much!!!! :)

Mathematics

1 answer:

Svet_ta [14]3 years ago

3 0

2/3 of $48 is $32. (48 / 3 = 16 x 2 =3)
7/8 of $22 is $19.25.
3/4 of 60 is 45.

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2. A man buys eggs at 55kobo a score . he finds that 10% of the eggs are unsellable but sells the rest at 60kobo a dozen .find i

liubo4ka [24]

Answer:

Percentage Profit is 63.63%

Step-by-step explanation:

The man buys 440 eggs at 55 pence a score

i.e. he buys 20 eggs for 55 pence

He buys 1 egg for 55/20 = 2.75 pence

Therefore, he buys 440 eggs for = 440 × 2.75 = 1210 pence

10% eggs are unsaleable

thus he sold = 440 - 440 × 10/100 = 440 - 44 = 396 eggs

Eggs sold in dozen = 396/12 = 33

He sold 1 dozen for = 60 pence

Thus, he sold 33 dozen for = 33 × 60 = 1980 pence

Profit = 1980 - 1210 = 770 pence

% Profit = (770/1210) × 100 = 63.63%

(hope this helps can i plz have brainlist :D hehe)

3 0

3 years ago

In an older television set, the screen height is 0.75 times the screen width.

natima [27]

The television set has a rectangular shape. The diagonal of this rectangle along with its width and length together form a right angular triangle.
This means that we can apply the Pythagorean theorem which states that:
(diagonal)^2 = (length)^2 + (width)^2

Let the width be w. We know that the length is 0.75 times the width, this means that: length = 0.75 w

Substitute in the above equation:
(20)^2 = (0.75w)^2 + (w)^2
400 = 0.5625 w^2 + w^2
400 = 1.5625 w^2
w^2 = 256
w = 16

This means that the width of the screen is 16 in.

5 0

4 years ago

When we carry out a chi square test of Independence the alternate hypothesis states that the two relevant classification blank

seropon [69]

Answer: that's false

Step-by-step explanation:

degrees of freedom=(r-1)(c-1)

If I'm wrong I'm sorry

7 0

3 years ago

Using the digits 0-9, no more than one time each, place a digit in a box to create an equation with a solution x= -1/2

Brums [2.3K]

Three equations are:

2x+1=6x+3

8x+6=2x+3

8x+4=2x+1

<u>Step-by-step explanation:</u>

Using the digits 0-9, no more than one time each, place a digit in a box to create an equation with a solution x= -1/2 . We need to Create three equations. Formula is below. __ x+ __=__ x+ __ . Let's find out:

2x+1=6x+3

Let's verify this :

⇒ $2x+1=6x+3$

⇒ $4x=-2$

⇒ $x=\frac{-1}{2}$

8x+6=2x+3

Let's verify this :

⇒ $8x+6=2x+3$

⇒ $6x=-3$

⇒ $x=\frac{-1}{2}$

8x+4=2x+1

Let's verify this :

⇒ $8x+4=2x+1$

⇒ $6x=-3$

⇒ $x=\frac{-1}{2}$

7 0

3 years ago

Will someone help me out? thanks

Fudgin [204]

Question 1: The area of the square is the product of the two sides. 24 times 24 is 576. Thus, the square is 576 square inches.

Question 2: (Answer is based off info received from comments)

The area of a circle is $A = \pi r^2$ , where r is the radius. The diameter you have given me is 20 inches. The radius is half the diameter; thus, the radius is 10.

$A = \pi r^2$

$A = \pi \times 10^2$

$A = 100\pi$

They want us to approximate the area. $\pi$ is approximately 3.14. If we use this value, we get 314 square inches.

5 0

3 years ago

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