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2 years ago

The figure below is divided into 100 squares of equal size.

Mathematics

2 answers:

iragen [17]2 years ago

7 0

Answer:

36%

Step-by-step explanation:

First, count how many squares there are. There are 36 shaded squares according to my count.

Then, since we are trying to find what percent 36 is out of 100, we divide the part (P) by the total (T).

36/100= 0.36

Multiply that number by 100 and you have your percentage!

Makovka662 [10]2 years ago

4 0

Answer:

36%

Step-by-step explanation:

If there are 100 squares of equal size

There are 36 squares that are shaded

36 out of 100 as a percentage is 36%

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Evaluate the function, find f(-2): f(x) = 2x² + 3x

prisoha [69]

Answer:

Step-by-step explanation:

f(-2) = 2(-2)^2 +3(-2)

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3 years ago

Given f(x) = 3x^2 + 2x – 1 and g(x) = 4x-5 find ( g of f) (-2)

pishuonlain [190]

Answer:

Step-by-step explanation:

Evaluate f(- 2) then substitute the value obtained into g(x)

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2 years ago

Read 2 more answers

Find the area. 5cm 3cm 4 cm

Ostrovityanka [42]

Answer:

6 cm²

Step-by-step explanation:

Since 3 side lengths are given, I assume that this figure is a triangle. The area of a triangle can be determined by using hero's formula.

$\text{Area of triangle} = \sqrt{\text{s(s - a)(s - b)(s - c)}$

⇒ s = Perimeter/2

⇒ a, b, and c = side lenths of triangle

Replacing a, b, and c as the given side lengths:

$\implies \text{Area of triangle} = \sqrt{\text{s(s - 5)(s - 3)(s - 4)}$

Determining the perimeter of the triangle:

$\text{Perimeter of triangle = Sum of it's side lengths}$

$\implies \text{Perimeter of triangle =}\ 5 + 4 + 3$

$\implies \text{Perimeter of triangle =}\ 12 \ \text{cm}$

Determining the half of perimeter:

$\text{Half of perimeter} = s = \dfrac{\text{Perimeter}}{2}$

$\implies s = \dfrac{12}{2}$

$\implies s = 6$

Replacing the value of "s" in the formula:

$\implies \text{Area of triangle} = \sqrt{\text{6(6 - 5)(6 - 3)(6 - 4)}$

Evaluating the area:

$\implies \text{Area of triangle} = \sqrt{\text{6(6 - 5)(6 - 3)(6 - 4)}$

$\implies \text{Area of triangle} = \sqrt{\text{6(1)(3)(2)}$

$\implies \text{Area of triangle} = \sqrt{\text{6(6)}$

$\implies \text{Area of triangle} = 6 \ \text{cm}^{2}$

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2 years ago

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cupoosta [38]

Answer:

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Step-by-step explanation:

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Answer:

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