2 years ago

The area is approximately __ square units,. use 3.14 for pi

Mathematics

1 answer:

fenix001 [56]2 years ago

7 0

757 units squared. Here is work:

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zhenek [66]

Answer:

Step-by-step explanation:

length = x +x + 2 = 2x + 2

Width = 2+ x

Area of rectangle = length *width

(x +2)(2x + 2) = 110

Use FOIL method

x*2x + x*2 + 2*2x + 2*2 = 110

2x² + <u>2x + 4x</u> + <u>4 - 110</u> = 0 {Combine like terms}

2x² +6x - 106 = 0

a = 2 ; b = 6 ; c = -106

b² - 4ac = 6² - 4*2*(-106)

= 36 + 848

= 884

$\sqrt{b^{2}-4ac}=\sqrt{884}= 29.73$

$x =\dfrac{-b+\sqrt{b^{2}-4ac}}{2a} \ ; \ x==\dfrac{-b-\sqrt{b^{2}-4ac}}{2a}\\\\x = \dfrac{-6+29.73}{2*2} \ ; \ x =\dfrac{-6-29.73}{2*2} \ this \ is \ ignored \ as \ it \ is \ negative\\\\x=\dfrac{23.73}{4};$

x = 5.93 m

5 0

2 years ago

The length of a rectangle is twice it’s width. If the area of the rectangle is 98in^2, find its perimeter

hammer [34]

Answer:

Step-by-step explanation:

7 0

3 years ago

Which of the following is the weight of the cargo in a truck if 1/3 of the weight is 516 Ibs?

Anni [7]

Answer:

1548 lb

Step-by-step explanation:

Let the truck's weight be w.

Then (1/3)w = 516 lb

Solve for the truck's weight by multiplying both sides of this equation by 3:

w = 1548 lb (Answer B)

8 0

3 years ago

What is the equivalent expression of 8x+7y+5x+4y+2y

Natalija [7]

Answer:

13x+13y

Step-by-step explanation:

(combine like terms)

8x+5x=13x

7y+4y+2y=13y

hope this helped you!

4 0

3 years ago

If the area of the Arctic Ocean is 16% of the area of the Atlantic ocean what is the area of the Arctic Ocean

Art [367]

Idk how big is 16% is 16% like 20

3 0

3 years ago

Read 2 more answers