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Lera25 [3.4K]
4 years ago
6

Austin buys 30 cups he places 4 balls in each cup how many cups does he need

Mathematics
2 answers:
TEA [102]4 years ago
8 0
Umm do you mean how many balls he needs? If that’s what you ment all you have to do is 4 x 30 and 4 x 30 equals 120.
ollegr [7]4 years ago
7 0
I think you misworded this question. If he buys 30 cups and puts four balls in each, then he would still have 30 cups.
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Simplify (x - y)^2 - 2(x - y) + 1
Rus_ich [418]

Answer:

(x-y-1)^2 or [(x-y)-1]^2

Step-by-step explanation:

We are given the expression:-

\displaystyle \large{ {(x - y)}^{2} - 2(x - y) + 1 }

Let A = (x-y)^2

\displaystyle \large{ A^{2} - 2 A+ 1 }

From:-

\displaystyle \large{ {x}^{2}  - 2x + 1 =  {(x - 1)}^{2} }

Thus:-

\displaystyle \large{ {A}^{2}  - 2A + 1 =  {( A- 1)}^{2} }

Rewrite A in (x-y)^2.

\displaystyle \large{ {(x - y)}^{2}  - 2(x - y) + 1 =  {( (x - y)  - 1)}^{2} }

5 0
3 years ago
What is the total surface area of a right circular cylinder with base radius 7cm and height 12cm.
mojhsa [17]

Answer:

Using 3.14  for pi

835.24 cm^2

Using the pi button for pi

835.6636459 cm^2

Step-by-step explanation:

The surface area of a cylinder is given by

SA = 2 pi r^2 + 2 pi r h

     = 2 * pi ( 7)^2 + 2 pi ( 7) * 12

    = 98 pi + 168 pi

    =266 pi

Using 3.14  for pi

835.24 cm^2

Using the pi button for pi

835.6636459 cm^2

8 0
4 years ago
Read 2 more answers
Fiona bought some socks that cost $4.95 for each pair and some belts that cost $6.55 each. Fiona spent $27.95 in all. Let a repr
lilavasa [31]

Answer:

4.95 a plus 6.55 b equals 27.95

Step-by-step explanation:

8 0
3 years ago
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Geometry. I'm really struggling with this.
julia-pushkina [17]

Answer:

The measure of Angle G is 62.5°.

Step-by-step explanation:

Given:

Δ EFG is an Isosceles Triangle.

EG = EF

m∠ E = 55°

To Find:

m∠ G = ?

Solution:

Δ EFG is an Isosceles Triangle. ........Given

EG = EF                                   ..............Given

∠ G = ∠ F = x (say)              ..................Isosceles triangle property

Now in Δ EFG we have

∠ E + ∠ G + ∠ F = 180° .......... Angle sum property of triangle

On substituting the values we get

55 + x +x =180\\\\2x=180-55\\\\2x=125\\\\\therefore x=\frac{125}{2} =62.5\°\\\\\therefore x=62.5\°

The measure of Angle G is 62.5°.

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3 years ago
UJ 1641"
Alekssandra [29.7K]

Answer:

t

Step-by-step explanation:

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3 years ago
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