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garri49 [273]
4 years ago
15

Calculate the area of the circle with a radios of 4.5

Mathematics
1 answer:
Colt1911 [192]4 years ago
6 0

Answer:

A≈63.62

Step-by-step explanation:

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you have nine coins: a collection of pennies, nickels, dimes, and quarters having a total value of $1.02, with at least one coin
raketka [301]

1 dime is required to make $1.02 cents using 9 coins collections

<h3>How to solve</h3>

<u>Given data</u>

9 coins

a collection of pennies, nickels, dimes, and quarters

total of $1.02 with at least one coin of each type

solution

$1.02 = 102cents

1 penny = 1 cent

1 nickel = 5 cents

1 dime = 10 cents

1 quarter = 25 cents

having one coin of each means 4 coins which is equal to:

1 + 5 + 10 + 25 = 41 cents (fulfilling the first condition remaining 5 coins)

102 - 41 = 61

balancing the remaining coins to make up 61, we first get a penny to reduce the amount 60 cents ( 4 coins remaining )

hence we have

2*25 +2*5 = 60 cents ( 2quarters 2 nickel)

in total we have

2 pennies + 3 nickels + 1 dime + 3 quarters = 9 coins

2 * 1 + 3 * 5  + 1 * 10 + 3 * 25 = 102 cents

Therefore 1 dime is required to make $1.02 cents using 9 coins collections

Read more on dimes here: brainly.com/question/435257

#SPJ1

3 0
1 year ago
Which number is irrational <br>​
zhenek [66]

Answer:

<h2>Any real number that cannot be expressed as a ratio of two integers.</h2>

Step-by-step explanation:

OPTIONS R NOT HERE

HOPE IT HELP

8 0
3 years ago
Read 2 more answers
F(x) = 2x2 – 4x – 3
dolphi86 [110]
<span>Mica should have added 2 to 3 instead of 1 to 3.

She factored out a 2 on the righthand side, so adding 1 within the parentheses is equivalent to adding 2 outside the parentheses. Since this is an equation, what we do to one side, we must do to the other, so Mica should've added 2 to the lefthand side.</span>
5 0
3 years ago
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Show work please fast
lions [1.4K]
3 in the first question 4 on the last question!!!
4 0
3 years ago
Calculate the length of AB if A is the point (2,3) and B is the point (-2,0)
d1i1m1o1n [39]

Answer:

Formular for coordinate length:

length =  \sqrt{ {(x_{1}  - x _{2} )}^{2}  +  {(y_{1}  - y_{2})}^{2} }

In considerance of coordinates given of A and B

x _{1} \: \:  is \:  \: 2 \\ x_{2} \:  \: is \:  \:  - 2 \\ y_{1}  \: \: is \:  \: 3 \\ y_{2} \:  \: is \: \:  0

therefore substitute:

length =  \sqrt{ { \{2 - ( - 2) \}}^{2}  +  {(3 - 0)}^{2} }  \\  \\  =  \sqrt{ {(2 + 2)}^{2} +  {3}^{2}  }  \\  =  \sqrt{ {4}^{2} +  {3}^{2}  }  \\  =  \sqrt{16 + 9}  \\  =  \sqrt{25}  \\  \\ { \boxed{ \boxed{length  \:  \: is \:  \: 5 \: units}}}

5 0
3 years ago
Read 2 more answers
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