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3 years ago

A rectangle has an area of 270m2.

1 answer:

8 0

X * 3 = 270
Solving for x, x = 90

So one side is 90m and the other is 3m.
Now find entire perimeter 90+90+3+3=180+6=186m

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Esther starts at one corner of a square field and walks 90 feet along one side to another corner of the field. She turns 90° and

erma4kov [3.2K]

The three sides make a right triangle and you know the base (90) and the height (70)

A = 1/2 bh or 1/2 x (70)x (90)= 3150 ft²

3 0

4 years ago

HEEELP

Drupady [299]

Answer: (c)

Step-by-step explanation:

Given

$f(x)=\dfrac{1}{x-3}\\\\g(x)=\sqrt{x+5}$

Here, $\sqrt{x+5}\ \text{is always greater than equal to 0}\\\Rightarrow x+5\geq 0\\\Rightarrow x\geq -5\quad \ldots(i)$

To get $f\left(g(x)\right)$ , replace $x$ in $f(x)$ by $g(x)\ \text{i.e. by}\ \sqrt{x+5}$

$\Rightarrow f\left(g(x)\right)=\dfrac{1}{\sqrt{x+5}-3}\\\\\text{Denominator must not be equal to 0}\\\\\therefore \sqrt{x+5}-3\neq0\\\Rightarrow \sqrt{x+5}\neq 3\\\Rightarrow x+5\neq 9\\\Rightarrow x\neq 4\quad \ldots(ii)$

Using $(i)$ and $(ii)$ it can be concluded that the domain of $f\left(g(x)\right)$ is all real numbers except 0.

Therefore, its domain is given by

$x\in [-5,4)\cup (4,\infty)$

Option (c) is correct.

5 0

3 years ago

Overview Park has a picnic area and a playground, as shown in the diagram below. What is the area of the playground, in square f

laiz [17]

Answer:

Hi,

Step-by-step explanation:

The playground 's area is the difference of 2 squares:

20²-10²=(20+10)*(20-10)=30*10=300 (ft²)

7 0

2 years ago

Read 2 more answers

Round 249798.828806 to the nearest ten.

loris [4]

Answer:

249798.8

Step-by-step explanation:

It should say to the nearest tenth.

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3 years ago

Point J is located at (-4,4)

rewona [7]

What is the question?

4 0

3 years ago