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blondinia [14]
2 years ago
9

Can some one help me plzzz will give brainiest

Mathematics
1 answer:
tino4ka555 [31]2 years ago
7 0

Answer:

3rd choice Hoped this helped :_)

Step-by-step explanation:

Brainliest plz ^

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A square plot is 14 meters long. Find its area?​
marusya05 [52]

Answer:

196

area of square = a^2

=14^2

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3 0
3 years ago
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A right cylinder has a radius of r inches and height of 2r inches.
Bess [88]

Answer:

the volume is 6.28r^{3}in^{3}

Step-by-step explanation:

This problem bothers on the mensuration of solid shapes, a cylinder.

Given data

Volume v =  ?

Radius r =  r in

Height h=   2r in

We are expected to solve for the volume of a cylinder, given the above data we can substitute it in the formula for volume of a cylinder to obtain our result

we know that the expression for the volume of a cylinder is

v= \pi r^{2} h

v= 3.142*r^{2} *2r\\v= 3.142*2r^{3} \\v= 6.28r^{3} in^{3} \\

Hence the volume in terms of the radius is 6.28r^{3}in ^{3}

6 0
3 years ago
Subtract (4x2 - x + 6) from (3x2 + 5x - 8).
bearhunter [10]

Step-by-step explanation:

(4x^2-x+6)-(3x^2+5x-8)=4x^2-x+6-3x^2-5x+8

By simplifying the right side of the equation, we come up with

x^2+6x-14, or D

5 0
3 years ago
Two planes travel at a constant speed. Plane A travels 2,800 miles in 5 hours. Plane B travels 3,885 miles in 7 hours.
kozerog [31]

Answer: First.

Step-by-step explanation:

Let's find the speed of the first airplane:

2800 ÷ 5 = 560 (miles per hour)

Let's find the speed of the second plane:

3885 ÷ 7 = 555 (miles per hour)

Thus, the first plane flies faster than the second.

5 0
2 years ago
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A bike shop has bicycles and tricycles in stock. In total he has 21 items in stock with a total of 51 wheels. Can you tell
stira [4]

Answer:

21 bikes and 3 tricycles

Step-by-step explanation:

21 items

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42 wheels=21 bikes

51-42=9

9/3=3 tricycles

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3 years ago
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