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worty [1.4K]
3 years ago
5

Need help ASAP giving 30 points

Mathematics
1 answer:
FrozenT [24]3 years ago
5 0

Answer:

Find the radius

Square the radius

Multiply by pi

Round to nearest hundredth

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Nathan has a collection of 220 baseball cards. He lets his brother 1/4 of his collection and sells 20% of his collection to the
tatyana61 [14]

<u>Answer:</u>

The baseball cards remain in Nathan’s collection is 106 cards

<u>Explanation:</u>

Total number of cards Nathan has= 220

Number of cards he let his brother have = 1/4 of his collection

=\frac{1}{4} \times 220 = 55 cards

Number of cards he sells = 20% of his collection

=\frac{20}{100} \times 220

=44 cards

No of cards he gives to his friends=15 cards

Remaining cards = total number of cards – (no of cards he gave to his brother+ cards he sold+ cards he gave to this friends)

= 220 – ( 55+44+15)

=220-114

=106 cards

baseball cards remain in Nathan’s collection is 106 cards

4 0
3 years ago
What is 12229 divided by 175? Please help.
alina1380 [7]

Answer: 12229/175= 69.88

3 0
3 years ago
Can someone help me with this please and thank u
zysi [14]
Not really sure but I think is Copper!
6 0
3 years ago
Simplify the following cos(-x)tanx
RSB [31]
\bf \textit{symmetry identites}\\\\&#10;cos(-\theta)=cos(\theta)\\\\&#10;-----------------------------\\\\&#10;cos(-x)tan(x)\implies cos(-x)\cdot \cfrac{sin(x)}{cos(x)}\\\\\\ cos(x)\cdot \cfrac{sin(x)}{cos(x)}\implies sin(x)
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3 years ago
What is 4[2(21-17)+3]
vagabundo [1.1K]
To solve this problem, we should understand how order of operations works. Perhaps the best way to show you this would be solving the problem with all of the work clearly labeled?

=4[2(21-17)+3]    Original Problem
=4[2(4)+3]           Solved the Parentheses
=4[8+3]                Multiplied the 2 and 4
=4[11]                   Added the 8 and 3
=44                       Multiplied the 4 and 11

An easy way to remember this is PEMDAS, which is an acronym for Parentheses, Exponents, Multiplication/Division, and Addition/Subtraction. Although it will not apply in this scenario (because we have brackets), it will come in handy for many others like this.

Using all of the information above, we can conclude that this expression equals 4.  

6 0
3 years ago
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