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Kitty [74]
3 years ago
11

Mr. Boyle replaced 25% of the boards on his wooden deck. If he replaced

Mathematics
2 answers:
Yakvenalex [24]3 years ago
8 0
76. If 19 boards is 25% then 19x4 will give you the amount of boards that is 100%
Daniel [21]3 years ago
3 0
76
Explanation: if that’s 25% then you have to multiply it by 4 because if you multiply 25 times 4 then it would equal to 100%
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pashok25 [27]
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3 years ago
Help me with these please!!
Arisa [49]
Five out of 35 (27+5) students wear a fun Pi-Shirt. 

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7 0
3 years ago
QF Q6.) Find the function for a.
irakobra [83]
The function for a is (f o g) (x) = 8x^2-10.



Explanation

=========================
f(x)=2x-4, g(x)=4x^2-3, (f o g)=f(g(x))  

I already knew that the g of x is equal to 4x^2-3 so I substitute inside of the g of x

g(x)=4x^2-3 =======> f(x)=4x^2-3 =============> 2(4x^2-3)-4 

simplify it 
 
2(4x^2-3)-4  =======> 8x^2-6-4 =========> 8x^2-10

(f o g) = 8x^2-10


5 0
3 years ago
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Answer:

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If it takes Katie 4 hours to make 20 cupcakes that at that rate how many cupcakes could made in 12 hours answer
slamgirl [31]

Answer:

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