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3 years ago

- A contractor plans to build a rectangular office complex. The floor area on the first floor of the

Mathematics

1 answer:

Neko [114]3 years ago

4 0

Answer:

Width = 30

Step-by-step explanation:

Area = 18x * 10y = 180xy

Length = 6xy

Width = ?

Since the shape of the office complex is a rectangle,

Area of a rectangle = length × width

180xy = 6xy × width

Width = 180xy / 6xy

Width = 30

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Solve for x. Round to the nearest tenth of a degree, if necessary.

DIA [1.3K]

$~~~~~\sin \theta = \dfrac{\text{Perpendicular}}{\text{Hypotenuse}}\\\\\\ \implies \sin x = \dfrac{HI}{GI}\\\\\\\implies \sin x = \dfrac{39}{62}\\\\\\\implies x= \sin^{-1} \left( \dfrac{39}{62} \right)\\\\\\\implies x =38.9^{\circ}$

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2 years ago

find the volume of a right circular cone that has a height of 2.1m and a base with a diameter of 13.7m. round your answer to the

Nikolay [14]

Answer:

Volume of the cone = 103.14 meter cube

Step-by-step explanation:

Height of the cone= 2.1 m

Diameter= 13.7 m

Radius= 13.7/2= 6.85 m

Volume of a cone :

$=\pi r^2\frac{h}{3}$

As, $\pi =\frac{22}{7}=3.14$

Putting the values in the formula:

Volume is :

$=3.14*(6.85*6.85)*\frac{2.1}{3} \\\\=3.14*(6.85*6.85)*0.7\\\\=3.14*46.92*0.7\\\\=3.14*32.85\\\\=103.14m^3$

The volume of the cone is 103.14 meter cube

5 0

3 years ago

Use synthetic division to solve (3 x Superscript 4 Baseline 6 x cubed 2 x squared 9 x 10) divided by (x 2). What is the quotient

Brut [27]

answer: B (3x^3+2x+5)

i did it on edg and got it right! have a good day! :)

5 0

2 years ago

Slope of 9 passes through the point (-3,2)

boyakko [2]

Answer:

y-2=9(x+3)

Step-by-step explanation:

y-y1=m(x-x1)

y-2=9(x-(-3))

y-2=9(x+3)

7 0

3 years ago

Please help!!!!! Geometry! (Will give Brainliest)

dezoksy [38]

Answer:

Side N: 20

Equation: 5 × 4 = 20

Step-by-step explanation:

Look at the other sides, and try to find a "pattern". Just by looking at the bottoms of the triangles, I saw 4 on BC and 16 on FG. I know that 4 times 4 equals 16, so that could be and option.

Now look at the left side. AB has a length of 3, and EF has a length of 12. I know that 3 times 4 is 12. Both times, there was an increase of 4 between the sides of the triangles.

Now, let's apply this to the last side. 5 times 4 is 20. So, the last side would be 20 on triangle EFG, and the equation would be 5 × 4 = 20.

7 0

3 years ago