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3 years ago

I need help with this

Mathematics

1 answer:

tankabanditka [31]3 years ago

4 0

-2/2 and -2/-4 hoppeee it helps

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There were 137 adult dusky gopher frogs in 2014. The number of adult dusky gopher frogs has grown about 9% per year since then.

Neporo4naja [7]

Answer:

273 frogs.

Step-by-step explanation:

The equation of growth in the number of frogs N = 137(1.09)^t where t is the time in years.

The year 2022 is 8 years after 2014 so the prediction for N in 2022 is:

N = 137(1.09)^8 = 273.

4 0

3 years ago

(3 A sum of money doubles itself in 6 years. In how many years, it becomes 5 times?

elena-s [515]

Answer:

In 24 years.

Step-by-step explanation:

Let the sum of money be 100 which amounts to 200 ( doubles itself ) in 6 years time. Interest on 100rs. Is 100. Putting the following in simple interest formula. You get :

$100=\dfrac{100\times R\times 6}{100}\\\\R=\dfrac{100}{6}$

Now when 100 will become 5 times i.e 500 the interest will be 400rs.

Putting in simple interest formula:

$400=\dfrac{\dfrac{100\times 100}{6T}}{100}\\\\T=\dfrac{2400}{100}\\\\=24\ yrs$

So, in 24 years, it will become 5 times.

4 0

3 years ago

Someone tell me what 8x+ 7 isss

Lesechka [4]

This expression is not factorable which means the answer is 8x+7

4 0

3 years ago

If r = 8 units and x = 5 units, then what is the volume of the cylinder shown above?

vodka [1.7K]

I hope this helps you

3 0

3 years ago

In art class, Arthur has created a triangle painting 1/5 of his painting is purple. He decided he wants to Paint 4/8 of the purp

babymother [125]

$\frac{1}{10}$ part of the whole painting is gold colored.

<u>Solution:</u>

Given that , In art class, Arthur has created a triangle painting $\frac{1}{5}$ of his painting is purple.

He decided he wants to Paint $\frac{4}{8}$ of the purple area gold

We have to find what fraction of the whole painting will be painting?

Now, $\frac{1}{5}$ part of whole painting is purple

And, $\frac{4}{8}$ part of the purple area is gold ⇒ $\frac{4}{8}$ part of the $\frac{1}{5}$ part of whole painting is gold

$\text { Then, fraction of gold color }=\frac{4}{8} \times \frac{1}{5}=\frac{1}{2} \times \frac{1}{5}=\frac{1}{10}$

Hence, $\frac{1}{10}$ part of the whole painting is gold colored.

4 0

3 years ago