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drek231 [11]
3 years ago
9

ΟΑ. -642 Ο Ο Β. 162 C. 1672 Ο Ο D. 642 O Ε. -162

Mathematics
1 answer:
hjlf3 years ago
4 0

Answer: With the equation being negative you would multiply it to most likely get a positive if Z is Negative. If Z is a positive but also a higher number the equation is defenitly positive. I dont know the exact answer do to the fact that you didint show the whole question.

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What is .235 written as a fraction?
Keith_Richards [23]
0.235 = 235/1000= 47/200

Answer: 47/200

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5 0
3 years ago
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If a machine is able to print 36,000 comic books in 1 hour, how many comic books will it print in one minute?
Viefleur [7K]

Answer:

600

Step-by-step explanation:

You would do 36,000 divided by 60 because there are 60 minutes in an hour, and it would be 600.

6 0
3 years ago
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45 of the 80 children in the club or girls what was the ratio of boys to girls in the club?
Oxana [17]

There are 80 children. 45 of them are girls. The amount of boys is equal to:

80-45 = 35

That means there are 45 girls and 35 boys.

The ratio of boys to girls is: 35:45

Simplify:

35 \div 5 = 7 \\ 45 \div 5 = 9 \\ \\35:45 \rightarrow 7:9

Your answer is 7:9

5 0
3 years ago
226Ra has a half-life of 1599 years. How much is left after 1000 years if the initial amount was 10 g?
Ray Of Light [21]
\bf \textit{Amount for Exponential Decay using Half-Life}\\\\
A=P\left( \frac{1}{2} \right)^{\frac{t}{h}}\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &10\\
t=\textit{elapsed time}\to &1000\\
h=\textit{half-life}\to &1599
\end{cases}
\\\\\\
A=10\left( \frac{1}{2} \right)^{\frac{1000}{1599}}
8 0
3 years ago
Write the fact family for these factors: 8, 64
natka813 [3]

Answer:

8*64=512

64*8=512

512/64=8

64/512=8

3 0
3 years ago
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