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Nonamiya [84]
3 years ago
15

Find the equation of the line that is perpendicular to y = –4x + 8 and passes though the point (–12, 4). A) y = – 1 4 x + 7 B) y

= – 1 4 x + 16 C) y = 1 4 x + 7 D) y = 1 4 x + 16
Mathematics
1 answer:
____ [38]3 years ago
6 0

Answer:

Step-by-step explanation:

perp: 1/4

y - 4 = 1/4(x + 12)

y - 4 = 1/4x + 3

y = 1/4x + 7

answer is C

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A rectangle has an area of 102 cm ^2. The length of the rectangle is 17 cm.
kari74 [83]
The perimeter is 46cm you find the width by dividing the area by the length and then add the length and width times 2 to get the perimeter
5 0
3 years ago
A stadium has central rectangular area 125m long by 80 m wide there are two semicircular ends.running tracks goes all way round
olga_2 [115]

) Using formula for cicumference.

Circumference = Pi * diameter

Circumference = Pi * 80m

Circumference = 251.2m.

Total inside length of the curved ends.

2)Total distance round inside of track =

2(125) + 251.2m

= 250 + 251.2

= 501.2m

3) Area of circular ends =

Pi*r^2

= Pi*40^2

= 5024m^2

Area of central area (rectangle)

length * width

125m * 80m

= 10,000m^2

Total area inside track =

5,024m^2 + 10,000m^2

= 15,024m^2

Hope this helps.

:-)

7 0
3 years ago
The ratio of the height of an object in a photograph to the actual height is 1:200. The height of a statue in the photograph is
morpeh [17]

Answer:

1,000 cm

Step-by-step explanation:

5 x 200 = 1000

8 0
2 years ago
The measures of two sides of a triangle are 4in and 13in. Find all possible values that the third side of this triangle can be?
ElenaW [278]

Answer:

9 < x < 17 is the possible length of the third side of a triangle.

Step-by-step explanation:

The Triangle Inequality theorem defines that if we are given two sides of a triangle, the sum of any two given sides of a triangle must be greater than the measure of the 3rd side.

Given the two sides of the triangle

  • 4 in
  • 13 in

Let 'x' be the length of 3rd size.

According to the Triangle Inequality theorem,

The difference of two sides < x < The sum of two sides

13 - 4 < x < 13+4

9 < x < 17

Therefore, 9 < x < 17 is the possible length of the third side of a triangle.

5 0
3 years ago
Add (3+2i)+(-5+6i)<br> A) -8+8i<br> B) -8-4i<br> C) -2+8i<br> D) -2+4i
balandron [24]
The answer it b your welcome
6 0
3 years ago
Read 2 more answers
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