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JulijaS [17]
3 years ago
13

What is

4}{6} = \frac{b}{2}" alt="\frac{b-4}{6} = \frac{b}{2}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Gala2k [10]3 years ago
5 0

Answer:

b = -2

Step-by-step explanation:

1) Cross multiply the proportion, in turn, you receive 2(b-4) = 6b.

2) Simply said equation, you should have 2b - 8 = 6b.

3) Subtract the 2b from each side, effectively canceling it out on the left (original position) and resulting in 6b to become 4b (6b - 2b = 4b).

4) After you have -8 = 4b, you can divide both sides by 4, canceling out on the right (original position).

5) You are finally left with -2 = b, reversing this results in b = -2.

-2 is your answer.

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Cuanto es 15 Multiplicado por 15
nordsb [41]
15 x 15 = 225 espero que esto ayude
6 0
3 years ago
The population of a certain species of insects increases exponentially according to the model, P(0) = 952e0.12t where P is the n
NeX [460]
Answer:

A) 952 insects are in the original colony

B) 10494 insects are in the colony after 20 weeks

C) 25 weeks

Explanations:

The model representing the population of the species of insects

P(t)=952e^{0.12t}

An exponential growth is of the form:

P(t)=P_0e^{kt}

where P₀ is the original population

t is the time taken in weeks

Comparing the two equations:

P_0=\text{ 952}

952 insects are in the original colony

B. The number of insects that will be in the colony after 20 weeks

Substituting t = 20 into the function given

\begin{gathered} P=952e^{0.12(20)} \\ \text{P = }10494 \end{gathered}

C) If the population, P = 20000

\begin{gathered} 20000=952e^{0.12t} \\ e^{0.12t}=\text{ }\frac{20000}{952} \\ e^{0.12t}=21.008 \\ 0.12t\text{ = ln(21.008)} \\ 0.12t\text{ = }3.04 \\ t\text{ = }\frac{3.04}{0.12} \\ t\text{ = }25 \end{gathered}

8 0
1 year ago
PLEASE HURRY
Flura [38]
I hv no idea about this one sorry
7 0
3 years ago
Read 2 more answers
Help please I'm struggling on this problem<br>27,811 ÷ 10(6)? ​
Mnenie [13.5K]

Answer:

45/811

Step-by-step explanation

7 0
3 years ago
The earth travels 1,050 miles per hour.
lesantik [10]

The earth travels 1,050 miles in an hour.

There are 24 hours in a day.

So multiply 1,050 by 24.

And you get 25,200.

The earth travels 25,200 miles in a day.

5 0
3 years ago
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