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Contact [7]
3 years ago
8

What is the circumference of the circle?

Mathematics
2 answers:
VashaNatasha [74]3 years ago
7 0
What is the circumference of the circle?

answer: D) 69.08

explanation:
cupoosta [38]3 years ago
6 0
Answer: the answer is A
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Find the area of this shape
Korolek [52]

Answer:

1496π square meters

Step-by-step explanation:

A=2πrh+2πr²

  =2π(17)(27)+2π(17)²

  = 918π + 578π

  =1496π

6 0
3 years ago
A fireplace arch is to be constructed in the form of a semiellipse. The opening is to have a height of 3 feet at the center and
USPshnik [31]

Answer:

Step-by-step explanation:

Given

Fireplace is in the form of semi-ellipse  with height of 3 ft from center

Length of base=8 ft

if the arch is in the form of ellipse then it can be considered as horizontal ellipse with 2 a and 2 b be length of major and minor axis

2 a =8

a=4 ft

If contractor cover the whole base

then total length of string=2a =8 ft

(b)String should be nailed at focus

focus of ellipse is a e

where e=eccentricity

e=\sqrt{1-(\frac{b}{a})^2}

e=\sqrt{1-(\frac{3}{4})^2}=\frac{\sqrt{7}}{4}

Focus =ae =\sqrt{7}

Thus string should be nailed at 2.64 m from center

8 0
3 years ago
Fifteen percent of the students in seventh grade at western middlr school have perfect attendance. There are 220 students in sev
Degger [83]

Answer:

33 students


Step-by-step explanation:

Fifteen percent of the students in seventh grade at western middle school have perfect attendance. There are 220 students in seventh grade. How many have perfect attendance?

Fifteen percent in decimal from is 0.15.

You would then multiply that by the number of students; 220.

.15 * 220 =

One multiplied, you get 33.

Therefore, 33 students have perfect attendance.

8 0
3 years ago
A spreadsheet ,
Katen [24]
B. Organizes large amounts of information such as a warehouse inventory
6 0
3 years ago
What is the slope of the line with equation y = –3?
zubka84 [21]
So since the first one is -3 the third would be a +3 positive
3 0
3 years ago
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