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kotegsom [21]
3 years ago
12

Can anyone help me plz

Mathematics
2 answers:
Marina86 [1]3 years ago
5 0
Answer: 448 in^2

Explanation:
Surface Area = 2x(12x4 + 12x11 + 4x11)= 448in^2

I hope this helps you. If available please give me a Branliest. It would be much appreciated. It would also help me answer more questions! Goodluck.

- Mathhotdog •~•
garik1379 [7]3 years ago
3 0
Hope this is helpful

224 in ^2
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The first floor of Marcus’ house is 1,440 square feet. He will cover 1,033 square feet with wood and the rest with tile. A box o
Harman [31]

Answer:

37

Step-by-step explanation:

you subtract the amount of wood he'll be adding because that isnt what we're looking for. That should equal 407 square feet then you divide that by 11 which equals thirty seven

6 0
3 years ago
Solve for x:<br> (x - 1)(3x + 1) = 0
sleet_krkn [62]

Answer:

x=1 and x=-1/3

Step-by-step explanation:

By the zero product property, we have two separate equations, x-1=0 and 3x+1=0

x-1=0

x=1

3x+1=0

3x=-1

x=-1/3

So x=1 and x=-1/3

Hope this helped!

6 0
3 years ago
The Reno Raiders are voting on which player should be their captain for the upcoming season. Brody received 1/3 of the votes. Da
tensa zangetsu [6.8K]
If we let x be the number of votes then, Brody got x/3 votes from his teammates. Below are the calculation for Darren and James.
                                Darren = 0.5(x/3) = x/6
                                James = 3(x/6) = x/2
From the answers, x/3, x/6, and x/2, the least is x/6 followed by x/3, and finally x/2. In order of the persons who garnered the least to greatest votes, the answer would be 
                                     Darren, Brody, and James
7 0
3 years ago
Write the equation of the line passing through (2,-3) and parallel to y=4x-9.
maks197457 [2]

Answer:

y = 4x - 11 .

Step-by-step explanation:

The line y = 4x - 9 has a slope of 4 so our line will also contain 4x.

Using the point-slope form of the equation of a line:

y - y1 = m(x - x1)  ,   we have m = 4 and (x1, y1) = (2, -3):

y - -3 = 4(x - 2)

y + 3 = 4x - 8

y = 4x - 11  (answer).

3 0
3 years ago
8-35. Use your knowledge of polygons to answer the questions below, if possible.
Nataliya [291]

Answer:

(a)I. 13 Sides II. 7 Sides

(b) 4 Sides, Square

(c)x=52 degrees

(d)x=107 degrees

(e)1620 degrees

Step-by-step explanation:

(a)The Sum of the Interior angle of polygon with n sides is derived using the formula: (n-2)180.

I. If the Interior angle is 1980^0

Then:

(n-2)180^0=1980^0\\$Divide both sides by 180^0 $ to isolate n$\\n-2=11\\$Add 2 to both sides of the equation\\n-2+2=11+2\\n=13

The polygon has <u>13 sides.</u>

II. If the Interior angle is 900^0

Then:

(n-2)180^0=900^0\\$Divide both sides by 180^0 $ to isolate n$\\n-2=5\\$Add 2 to both sides of the equation\\n-2+2=5+2\\n=7

The polygon has <u>7 sides.</u>

(b)The sum of the exterior angle of a polygon is 360 degrees,

Each exterior angle of a n-sided regular polygon is: \frac{360^0}{n}

If the exterior angle of a regular polygon is 90°

Then:

90\°=\frac{360^0}{n}\\ 90n=360\\n=4

The regular polygon has 4 sides and it is called a <u>Square.</u>

<u>(c)</u>The Sum of the Interior angle of polygon with n sides is derived using the formula: (n-2)180.

Each Interior angle of a regular n-sided polygon is:  \frac{(n-2)180^0}{n}

For a pentagon, n=5

Then:

\frac{(5-2)180^0}{5}=2x+4\\108=2x+4\\108-4=2x\\104=2x\\x=52^0

(d)The <u>sum of the exterior angle of a polygon is 360 degrees.</u>

If four of the exterior angles of a pentagon are 57, 74, 56, and 66.

Let the fifth angle=x

Then:

57+74+56+66+x=360^0\\253+x=360\\x=107^0

(e)The Sum of the Interior angle of polygon with n sides is derived using the formula: (n-2)180.

In an 11-gon., n=11

Therefore, the sum of the interior angle=(11-2)180=1620^0

The sum of the interior angle <u>does not change either in a regular or irregular polygon.</u>

3 0
3 years ago
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