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2 years ago

What is the area of the composite figure? A. 216 cm2 B. 192 cm2 C. 100 cm2 D. 264 cm2

Mathematics

2 answers:

zmey [24]2 years ago

7 0

C. because I just asked my math teacher

uranmaximum [27]2 years ago

3 0

I think it’s C I hope this helps!

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Write a paragraph proof to prove that triangles BHD and FHC are congruent

Katena32 [7]

Answer:

Wdym is there any attachment ?

Step-by-step explanation:

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3 years ago

The decreasing population, p, of owls in a national park is being monitored by ecologists and is modeled by the equation p=−0.

n200080 [17]

By solving a quadratic equation, it can be verified that

The owl population will disappear after 329.12 years

What is a quadratic equation?

At first it is important to know about equation

Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.

A two degree equation is known as quadratic equation.

Here, a quadratic equation needs to be solved

The decreasing population, p, of owls in a national park is being monitored by ecologists and is modeled by the equation p= $-0. 4t^2+128t+1,200$

For population to disappear, p =0

$-0. 4t^2+128t+1,200 = 0\\0.4t^2 -128t - 1200 = 0\\4t^2 - 1280t - 12000 = 0\\4(t^2 - 320 t - 3000) = 0\\t^2 - 320t -3000 = 0\\t = \frac{-(-320)\pm \sqrt{(-320)^2 - 4 \times 1 \times (-3000)}}{2 \times 1}\\t = \frac{320 \pm 338.23}{2}\\t = \frac{320 + 338.23}{2} \ or \ t = \frac{320 - 338.23}{2}\\t = 329.115 \ or \ t = -9.115$

But t = -9.115 is not possible as time cannot be negative

So, the owl population will disappear after 329.12 years

To learn more about quadratic equation, refer to the link-

brainly.com/question/1214333

#SPJ4

7 0

1 year ago

What is 7 times as much as the sum of 1/3 + 4/5

riadik2000 [5.3K]

Lets write the problem info into an equation and solve step by step:
7(1/3 + 4/5)
the minimum common multiple of 3 and 5 is 15, so we multiply and divide the fractions by a proper number to convert them to be divided by 15 so is easier to add them:
(1/3)(5/5) = (1*5)/(3*5) = 5/15
(4/5)(3/3) = (4*3)/(5*3) = 12/15
so we substitute in the original equation:
7(1/3 + 4/5)
= 7(5/15 + 12/15)
= 7(17/15)
= (7*17)/15
= 119/15

8 0

3 years ago

What is the value of the underlined digit? 5,678.321. The underlined digit is 1.

valkas [14]

0.001

Hope this helps!

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3 years ago

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The length of the room is 25 feet longer than it is wide. The area is 176 square units. Find the dimensions of the room

Arturiano [62]

The answer is 26 home slice.

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3 years ago

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