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3 years ago

5

PLEASE PLEASE PLEASE HELP HELP HELP?!?!?!?!?!!?!??!?!?!

1 answer:

nadezda [96]3 years ago

8 0

Answer is A

Step-by-step explanation:

hope that helps

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A single tree produces about 2.6 × 10² lb of oxygen each year. The Amazon rainforest has about 3.9 X 10^11 trees.

Ymorist [56]

$(2.6\times10^2) \times (3.9\times10^{11}) = 1.014\times10^{14}$

$1.014\times10^{14}$ <---How much is produced by all the trees in a year.
They want how much each day so divide by 365

$\frac{1.014\times10^{14}}{365} = 2.77808\times10^{11}$
$2.77808\times10^{11}$ <---answer per day

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2 years ago

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Show how he can make pieces of copper wire whose lenghts in feet are one of each of the whole numbers from 1 to 20 inclusive, wh

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3 years ago

Need math help please!!

Eva8 [605]

Answer:

8

Step-by-step explanation:

The fact that DE is perpendicular to AC means triangles AED and CED are congruent and side AD is equal in length to side CD.

5x -20 = 2x +4

3x = 24 . . . . . . . add 20-2x

x = 8 . . . . . . . . . .divide by 3

The value of x is 8.

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3 years ago

a wall on the side of a building is made up of 52 rows of bricks with 44 bricks in each row. how many bricks make up the wall

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3 years ago

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Y = x —6x+8 The equation above represents a parabola in the xy-plane. Which of the following equivalent forms of the equation di

forsale [732]

Answer:

$y=(x-4)(x-2)$

Step-by-step explanation:

Consider the given equation

$y=x^2-6x+8$

Factor form of a parabola: It displays the x-intercepts.

$y=a(x-p)(x-q)$ .... (1)

where, a is a constant and, p and q are x-intercepts.

So, we need to find the factored form of the given equation.

Splinting the middle term we get

$y=x^2-4x-2x+8$

$y=x(x-4)-2(x-4)$

$y=(x-4)(x-2)$ .... (2)

On comparing (1) and (2) we get

$p=4,q=2$

It means x-intercepts of the given parabola are 4 and 2.

Therefore, equivalent forms of the equation is y=(x-4)(x-2).

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3 years ago