The total mass of 500 crayons is 1 kilogram. What is the mass of each crayon in grams?

Mathematics

2 answers:

Ber [7]2 years ago

7 0

Answer:

I believe it is 2 grams.

Step-by-step explanation:

there are 1000 grams in 1 kg, there are 500 crayons, therefore each crayon weighs 2 grams

babunello [35]2 years ago

6 0

2 grams

1 kg = 1000 g
1000 / 500 = 2g

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inna [77]

Given:

The rule of input and output function is:

$25-g$

To find:

The answer if we put 19.

Solution:

Consider the input and output function is:

$f(g)=25-g$

Substitute $g=19$ , we get

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Therefore, the required answer is 6.

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Afina-wow [57]

Answer:

$\large \boxed{\textbf{30.54 yr}}$

Step-by-step explanation:

For species A,

$P =2000e^{0.05t}$

For species B,

$P =5000e^{0.02t}$

When their populations are equal,

$\begin{array}{rcl}2000e^{0.05t} & = & 5000e^{0.02t}\\e^{0.05t} & = & 2.5e^{0.02t}\\0.05t & = & \ln2.5 + 0.02t\\0.05t & = & 0.9163 + 0.02t\\0.03t & = & 0.9163\\t& = & \dfrac{0.9163}{0.03}\\\\& = & \mathbf{30.54}\\\end{array}\\\text{The populations of species A and B will be the same in $\large \boxed{\textbf{30.54 yr}}$}$