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nika2105 [10]
3 years ago
5

Please help last question please. Mimi measures a circular magnet and calculates that it has an area of 3.14 square inches. What

is the magnet's diameter? Use 3.14 for ​.
Mathematics
1 answer:
sineoko [7]3 years ago
5 0
Circle is 3.14 #ZedTheZom
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How many centimeters are in 15 meters
pav-90 [236]

15 x 100= 1500 centimeters

4 0
3 years ago
Read 2 more answers
It costs the Quality company $.14 per mile to run its van. On Monday the van traveled 87.6 miles. How much did it cost to run th
Dafna1 [17]

Answer:

12.264

Step-by-step explanation:

* per would be saying the number of miles the van is running that day

.14 x 87.6

= 12.264

7 0
3 years ago
What's the perimeter or how do you find it?
ziro4ka [17]

The perimeter of inside of the track is 536.44m

<h3>Perimeter of a circle and rectangle</h3>

The perimeter of a circle is also known as the circumference of the circle. The formula for calculating the circumference is expressed as:

C = 2πr

where

r is the radius

From the given diagram

r = 46/2 = 23m

C = 2(3.14)(23)
C = 144.44m

Find the perimeter of the rectangle

P = 2(l+w)

p = 2(46+150)
P = 2(196)
P =392m

The perimeter of the inside track = 144.44 + 392

The perimeter of the inside track = 536.44m

Hence the perimeter of inside of the track is 536.44m

Learn more on perimeter of composite shape here: brainly.com/question/16247505

#SPJ1

7 0
2 years ago
Find the value of y​
lana [24]

Step-by-step explanation:

Use the Pythagorean Theorem: a^2+b^2=c^2

We can set up the equation like this: 11^2+y^2=61^2

= 121+y^2=3,721

=y^2=3600

= y = 60

6 0
3 years ago
Given the circle with equation x+ y =17
barxatty [35]

Answer:

Step-by-step explanation:

x+y=17 is NOT the equation for any circle. You have omitted the exponents. The equation for the circle should be

x^2 + y^2 = 17.

:::::

Plug the coordinates of D into the equation.

(-4)² + (-1)² = 17, so D is on the circle.

Plug the coordinates of E into the equation.

1² + 4² = 17, so E is on the circle.

:::::

Slope of DE = (-1 - 4)/(-4 - 1) = 1

Slope of perpendicular to DE is -1.

Midpoint of DE:  ((-4+1)/2, (-1+4)/2) = (-1.5, 1.5)

Point-slope equation for perpendicular bisector:

y-1.5 = -(x+1.5)

y = -x

:::::

Center of circle is (0,0)

0 = -0, so y=-x passes through the center.

8 0
3 years ago
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