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devlian [24]
3 years ago
10

1,2,3 need help please show work

Mathematics
2 answers:
MaRussiya [10]3 years ago
7 0
I hope this helps you

leonid [27]3 years ago
4 0
I worked it all out and it is all right here.

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A table is in the shape of a regular pentagon with a side length of 3 feet and an
ehidna [41]

Answer:

15.5 ft²

Step-by-step explanation:

The area (A)  of a regular polygon is calculated as

A = \frac{1}{2} pa ( p is the perimeter and a the apothem )

Here side of regular pentagon is 3 ft, thus

perimeter = 5 × 3 = 15, so

A = 0.5 × 15 × 2.06 ≈ 15.5 ft ( to the nearest tenth )

8 0
3 years ago
The ages of four groups of 10 workers at a factory are shown, which group has the largest mean absolute deviation?
k0ka [10]

I think group 1 if it is wrong then write is comment box

8 0
3 years ago
Read 2 more answers
Please help me I don’t understand.
attashe74 [19]

Answer:

1 : 64

Step-by-step explanation:

Model:

1/2 in * 1/6 in = 1/12 in^2

Real:

1/3 ft * 1/9 ft = 1/3 * 12 in * 1/9 * 12 in = 16/3 in^2

model : real

1/12 / 16/3 = 1/12 * 3/16 = 3/192 = 1/64

model : real = 1 : 64

7 0
3 years ago
What does 1/8+1/9 equal
slavikrds [6]
The solution is 17/72
4 0
3 years ago
Can someone please help me on e and f i dont understand it and pls explain
Lemur [1.5K]
For parts A, B, C, and D you most likely created a line. What question E is asking is for you to create a line that is perpendicular to the line you already created that also passes through the point (1,1). What is important to understand here is that the slope of the perpendicular line is the negative reciprocal of the original line's slope... if the original slope is (-4/3) than the perpendicular slope is (3/4)... then you should just plug that new slope into point-slope form or slope-intercept form to get your equation... y-y1 = m(x-x1) ... y-1= (3/4)(x-1) ... so it would be y=(3/4)x + 1/4 then for part f just convert into standard form which is just manipulating the variables... look up standard form equation on Google and manipulate the variables from there.
4 0
3 years ago
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