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Oduvanchick [21]
2 years ago
13

I don’t understand this can you explain and answer it!!!

Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
3 0

Answer:

So if you circle the cup ceno {sine}

Step-by-step explanation:

It needs proof

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What is the area of the rectangle
aliya0001 [1]
a^4+2a+8 because if you combine like terms that is what you get
3 0
2 years ago
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The area of a rectangle whose perimeter is a fixed 80 feet is given by A=40w - w2 , where w is the width of the rectangle. Deter
Stolb23 [73]

Answer:

Width=20 feet

Since Length=Width=20 feet, the rectangle is a Square.

Step-by-step explanation:

Area, A=40w - w^2

To determine the width of the rectangle that gives the maximum area, we take the derivative of A and solve for its critical point.

A'=40 - 2w\\$When A'=0\\40-2w=0\\40=2w\\w=20 feet

The width of the rectangle that gives the maximum area =20 feet.

Perimeter of a rectangle=2(l+w)

Perimeter of the rectangle=80 feet

2(l+w)=80

2l+2(20)=80

2l=80-40

2l=40

l=20 feet

Since the length and width are equal, the special type of rectangle that produces this maximum area is a Square.

7 0
2 years ago
At the arcade, nick spent 203 tokens on videogames in seven days. each day he spent five more tokens than the previous day. how
Dafna11 [192]

Suppose nick spent x number of tokens on day 1

So he spent x + 5 on day 2

He spent x + 10 on day 3

He spent x + 15 on day 4

He spent x + 20 on day 5

On day 6 he spent x + 25

And on day 7 he spent x + 30

So in all he spent

x + x + 5 + x + 10 + x + 15 + x + 20 + x + 25 + x + 30

= 7x + 105

But total token spent = 203

So

7x + 105 = 203

Subtracting 105 from both sides

7x = 203 - 105

7x = 98

Dividing by 7 on both sides

x = 14

So on third day he spent x + 10

= 14 + 10

= 24 tokens

Tokens spent on day 3 = 24

8 0
2 years ago
A store sold 650 bicycles last year. This year the store sold 572 bicycles. What is the percent increase/decrease in the number
zalisa [80]

Answer:

12%

Step-by-step explanation:

So in the first year they sold 650 bicycles.

Second year 572.

To find percentage you'll gain the difference 650 - 572 = 78 bicycles. Divide the deficit with initial sales (650).

72/650 * 100 (as we r finding percentage).

Its should give you 12%.

3 0
3 years ago
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Consider the given right triangle if angle a equals 45 degrees and a equals 12 then b equals
Law Incorporation [45]

Answer:

b would also equal 12.

Step-by-step explanation:

In order to find this, we simply have to note that if we have a right triangle and a 45 degree angle, then this is a 90-45-45 triangle. In these triangles, we know that the legs are the same length. So if a is 12, then so is b.

4 0
3 years ago
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