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fredd [130]
3 years ago
8

Compare the value of 3 in 302754 and 53891. The value of 3 in 302254 is _______ times the value of the 3 and 53891

Mathematics
1 answer:
noname [10]3 years ago
8 0
Compare how many place values the 3's have.
The 3 in 302754 is in the 6th place value, while the 3 in 53891 is in the 4th place value. Each place value is 10 times the one below it. Since the first 3 is 2 place values ahead, 10*10=100 times.
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How many triangles can be constructed with three sides measuring 11 meters,16 meters,and 26 meters?
topjm [15]

You can only construct one triangle with three sides measuring 11 meters,16 meters, and 26 meters.

 

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5 0
3 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

\Rightarrow (1+16.56 \times 10^{-3}) x=16.56 \times 10^{-3}\times 2.30

\Rightarrow x = 0.03747

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

4 0
3 years ago
WILL GIVE BRAINLIEST!!
maks197457 [2]
I say the answer is 5
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Answer:

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Answer:

Step-by-step explanation:

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