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labwork [276]
2 years ago
6

VERY EASY ITS FOR MY COUSIN AND I CANT FIGURE IT OUT NEITHER CAN SHE

Mathematics
1 answer:
Katyanochek1 [597]2 years ago
4 0

Answer:

4.5 meters high

Step-by-step explanation:

3.6 + 2.25 = 5.85. 5.85 divided by 1.3 is 4.5.

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I need help with this. can anyone help me please.
Dmitriy789 [7]

Answer:

21

Step-by-step explanation:

yeah 2+2 is 21 thanks for the very nonexistent question

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2 years ago
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thyx

Step-by-step explanation:

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3 years ago
Find the inverse g(x)=x/5-6
STALIN [3.7K]
Interpreted: g(x) = \frac{x}{5} - 6
Let y = g(x)
y = \frac{x}{5} - 6
x = \frac{y}{5} - 6 (Interchange the x and y-values)

\frac{y}{5} = x + 6 (Solve for y)
y = 5(x + 6)

\therefore g^{-1}(x) = 5(x + 6)
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3 years ago
WILL GIVE BRAINLIEST
julia-pushkina [17]

Answer:

4th answer aka the last one

Step-by-step explanation:

6 0
3 years ago
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Element X is a radioactive isotope such that every 51 years, its mass decreases by half. Given that the initial mass of a sample
pychu [463]

Answer: It will take 6 years for 7500 grams of X to reach 6900 grams.

Step-by-step explanation:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  

t = age of sample

a = let initial amount of the reactant  

a - x = amount left after decay process  

a) for completion of half life:  

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

51=\frac{0.69}{k}

k=\frac{0.69}{51}=0.0135years^{-1}

b) for  7500 g to reach to 6900 g

t=\frac{2.303}{0.0135}\log\frac{7500}{6900}

t=6years

It will take 6 years for 7500 grams of X to reach 6900 grams.

5 0
3 years ago
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