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Vanyuwa [196]
3 years ago
14

Jasmine has taken an online boating safety course and is now completing her end of course exam. As she answers each question, th

e progress bar at the bottom of the screen shows what portion of the test she has finished. She has just completed question 16 and the progress bar shows she is 20% complete. How many total questions are on the test? Use a table, diagram, or equation to justify your answer.
Mathematics
2 answers:
Gekata [30.6K]3 years ago
8 0

Answer:

Step-by-step explanation: yo do know this is a very helpful

Mademuasel [1]3 years ago
7 0
There are 80 questions
if 20%=16 Q
then 100÷20=5
therefore 5×16=80 questions on the test
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Every year, Lizzie's school buys agenda books for students. sold in the school store. This year, the school purchased 350 books
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Answer:

$7.54

Step-by-step explanation:

I am going to assume you are asking how much to price the books at since the question is unfinished. If so, it is the answer above.

6 0
3 years ago
A game system allows players to design a personal picture. Each picture is designed by choosing from male or female, 8 face shap
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4 years ago
HI decomposes into its elements according to second-order kinetics. What concentration of HI remains from an initial concentrati
Novosadov [1.4K]

Answer:

Therefore (2.30-0.03747)= 2.2625 M of HI remains from an initial concentration of 2.30 M after 4.5 hours.

Step-by-step explanation:

second order reaction: The rate of reaction  proportional to the square of the concentration of reactant.

For second order reaction

k=\frac{x}{ta(a-x)}

K is rate constant = 1.6×10⁻³M⁻¹hr⁻¹

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a-x = concentration of reactant after t h

t = time = 4.5 h

Putting the values in the above equation,

1.6\times 10^{-3}= \frac{x}{4.5 \times 2.30 \times (2.30-x)}

\Rightarrow 16.56 \times 10^{-3}\times (2.30-x)= x

\Rightarrow 16.56 \times 10^{-3}\times 2.30-16.56 \times 10^{-3}\times x= x

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4 0
4 years ago
That are equal to 4⋅10-3:
kozerog [31]
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Explanation:

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Hope this helps!
7 0
3 years ago
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Mumz [18]
V= πr^2h
V = π * 12^2 * 9
= 1296π
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4 years ago
Read 2 more answers
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