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2 years ago

Find the sum of (x + 5) and (2x + 3)

1 answer:

7 0

What you can do is subtract 1x from each side
Then you subtract 3 from each side
Then it tells you x=2
Always put what you think x is back into the problem and see if it works out

Example on how you do it:
(x+5)=(2x+3)
5=(x+3)
2=x

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A person places $686 in an investment account earning an annual rate of 3.8%, compounded continuously. Using the formula V = Pe^

kykrilka [37]

Answer:

V = $1213.03

Step-by-step explanation:

We can determine the amount of money after 15 years with the given formula:

$V = Pe^{rt}$ (1)

Where:

V: is the value of the account in t years =?

P: is the principal initially invested = $686

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2 years ago

A certain country has 266.76 million acres of forest. Every year, the country loses 3.51 million acres of forest mainly due to d

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50 Years

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3 years ago

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2 years ago

Hi! Can you please tell me the answer and explain how to do this (in your own words)? The best answer get's brainiest!

vova2212 [387]

Answer:

$97.5 \ ft^2$

Step-by-step explanation:

1. Find the area of rectangle.

Rectangle:

Width = 12 ft

Length = 5 + 10 = 15 ft

$Area=\text{Length}\times \text{Width}\\ \\=12\cdot 15\\ \\=180\ ft^2$

2. Find the area of two white triangles.

a) Right triangle with legs of 12 ft and 10 ft.

$A_1=\dfrac{1}{2}\times \text{Leg}_1\times \text{Leg}_2\\ \\=\dfrac{1}{2}\cdot 10\cdot 12\\ \\=5\cdot 12\\ \\=60\ ft^2$

b) Right triangle with legs of 5 ft and 12 - 3 = 9 ft.

$A_2=\dfrac{1}{2}\times \text{Leg}_1\times \text{Leg}_2\\ \\=\dfrac{1}{2}\cdot 5\cdot 9\\ \\=\dfrac{1}{2}\cdot 45\\ \\=22.5\ ft^2$

3. Find the area of shaded region:

$A_{shaded}\\ \\=A-A_1-A_2\\ \\=180-60-22.5\\ \\=97.5 \ ft^2$

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2 years ago