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otez555 [7]
3 years ago
7

Help plz will mark brainliest

Mathematics
1 answer:
hram777 [196]3 years ago
8 0

Answer:

1/3

Step-by-step explanation:

Line C to B is 9 long while Line C' to B' is 3.

That's a 1/3 reduction

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A juice can is 16 cm tall and has a diameter of 9 cm. The ends of the can are tin and the body is cardboard.
Eduardwww [97]

Answer:

I'll setup the problem and you can do the calculations

Step-by-step explanation:

a.

V  = \pi( {D}^{2}  \div 4)H

V = volume; D = diameter; H = height of can

b.

Area of the Tin is the total area of the 2 Tin circles

one circle's area A is

A = \pi {D}^{2} \div 4

A = area; D = diameter

calculate A

Then multiply by 2

c.

The area of the cardboard is the circumstance of the circle

times the height

SA = \pi DH

d.

add answers from b and c

7 0
2 years ago
A rectangular field has an area of 1,764 m2. The width of the field is 13 m more than the length. What is the perimeter of the f
kirill [66]
Well for a rectangle, the area

A=Length x Width,
1764<span>=Length x Width,

Since </span><span>the width of the field is 13 m more than the length, the length will be equal to the with + 13, 
L=W+13,

</span>1764<span>=LW
</span>1764=(W+13)(W)
W=36 meters

They want the perimeters, so add them up

2W+2L
=2(36)+2(49)
=170 meters
8 0
3 years ago
A. y= 1/2x-14<br> B. y=1/2x-5<br> C. y=2x-14<br> D. y=2x-5
DanielleElmas [232]

Answer:

B. y=1/2x-5

Step-by-step explanation:

From the graph, we read the slope of line JK.

slope = rise/run = -3/-6 = 1/2

The equation we need has the same slope.

y = mx + b

y = (1/2)x + b

It passes through point P(6, -2). Now we find b.

-2 = (1/2)(6) + b

-2 = 3 + b

b = -5

The equation is

y = (1/2)x - 5

6 0
2 years ago
Find the area of a semi circle with a diameter of 28cm
Alexandra [31]

since it has a diameter of 28, then its radius must be half that or 14.

\textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\[-0.5em] \hrulefill\\ r=14 \end{cases}\implies A=\pi (14)^2\implies A=196\pi ~\hfill \stackrel{\stackrel{semi-circle}{half~that}}{98\pi }

8 0
2 years ago
The mass of a watermelon is 1,940g more than the total mass of 8 similar peaches. If the total mass of the watermelon and
arsen [322]
Sorry just doing this for the points
7 0
3 years ago
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