2 years ago

HELP NOWW PLEASE !!!!!

Mathematics

2 answers:

Sergeu [11.5K]2 years ago

4 0

Answer:

Step-by-step explanation:

nirvana33 [79]2 years ago

4 0

Answer:

Step-by-step explanation:

8x10

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What is the value of k?<br><br> –36 = k – 6

kolezko [41]

Add 6 to both sides
Solution: k = -30

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3 years ago

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Use a two variable write an equation for the total number of boys and girls is 428

padilas [110]

X = girls
Y = boys

X + y = 428

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3 years ago

BRAINLIEST ASAP! PLEASE HELP ME :)

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