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2 years ago

Need help ASAP giving 30 points

Mathematics

1 answer:

natita [175]2 years ago

6 0

Answer:

82⁰

Step-by-step explanation:

you subtract angle A from 180 to give you 37 and you add that to 61 to give you 98 and you subtract that from 180 to give you 82⁰

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Simplify using the laws of exponents (4^3)^-2 × (2^3)^4 ×(8/15)^-2

katrin2010 [14]

Answer:

$\dfrac{225}{64}$

Step-by-step explanation:

$(4^3)^{-2} \times (2^3)^4 \times (\dfrac{8}{15})^{-2} =$

$= (2^2)^{-6} \times 2^{12} \times (\dfrac{15}{8})^{2}$

$= 2^{-12} \times 2^{12} \times \dfrac{225}{64}$

$= \dfrac{225}{64}$

8 0

3 years ago

A farmer wants to fence an area of 13.5 million square feet in a rectangular field and then divide it in half with a fence paral

denis23 [38]

Answer:

F = 3x +(2.7×10^7)/x

Step-by-step explanation:

The formulas for area and perimeter of a rectangle can be used to find the desired function.

The area of the rectangle will be the product of its dimensions:

A = LW

Using the given values, we have ...

13.5×10^6 = xy

Solving for y gives ...

y = (13.5×10^6)/x

<h3>Perimeter</h3>

The perimeter of the rectangle is the sum of the side lengths:

P = 2(L+W) = 2(x+y)

<h3>Fence length</h3>

The total amount of fence required is the perimeter plus one more section that is x feet long.

F = 2(x +y) +x = 3x +2y

Substituting for y, we have a function of x:

F = 3x +(2.7×10^7)/x

<em>Additional comment</em>

The length of fence required is minimized for x=3000. The overall size of that fenced area is x=3000 ft by y=4500 ft. Each half is 3000 ft by 2250 ft. Half of the total 18000 ft of fence is used for each of the perpendicular directions: 3x=2y=9000 ft.

4 0

1 year ago

Does (2,-6 )satisfy the equation y= -3x

maksim [4K]

Answer:

Yes

Step-by-step explanation:

-6 = -3(2)

<em />

Answer: Yes

6 0

2 years ago