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3 years ago

Pls help me fast like asap

Mathematics

2 answers:

kumpel [21]3 years ago

8 0

Answer:

Im pretty sure its D

Step-by-step explanation:

skelet666 [1.2K]3 years ago

6 0

D is your answer because you gave 20 and they are subtracting the cost of 3x lbs of apples

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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

Help asap !! Giving out brainliest answer !! Answer has to be correct

Georgia [21]

Answer:

33 ft

Step-by-step explanation:

hey, hope this helps and right.

5 0

3 years ago

Which equation correctly applies the distributive property?

lesantik [10]

Answer: Option 'A' is correct.

Step-by-step explanation:

Since we have given that

Distributive law is defined as

$a\times (b+c+d)=a\times b+a\times c+a\times d$

According to option'A', we get that

a =- 3

b = 6

c = 0.4

d = 0.08

So, it becomes,

$-3\times (6.48)=-3\times 6+(-3)\times 0.4+(-3)\times 0.08$

Hence, option 'A' is correct.

8 0

3 years ago

What is the factorization of the trinomial below?

mart [117]

x^3-12x^2+35x

=x (x^2 - 12x + 35)

=x(x -7)(x -5)

Answer

C. x(x - 7)(x - 5)

5 0

3 years ago

The art teacher is buying new tables to go in the art room. Each table can seat 4 students. The art class has 30 students. How m

bezimeni [28]

Answer:

T = 7.5

Step-by-step explanation:

One table = 4 students

? table = 30 students

To get the answer we criss-cross

30 * 1 = 4T(amount of table)

4T = 30

T = 30/4

T = 7.5

There should be 8 tables but the last table has 2 people sitting on it rather than 4.

5 0

2 years ago