3 years ago

A train ticket has a perimeter of 36

Mathematics

1 answer:

Crazy boy [7]3 years ago

8 0

Answer:8 cm by 10 cm

Step-by-step explanation:

8*2+10*2=36

8*10=80

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The height of an equilateral triangle is 13 feet. The triangles area is 39 feet squared. What is the perimeter of the triangle?

cluponka [151]

Answer:

It is 6ft

Step-by-step explanation:

The formula is

A= 1/2bh so now you would substitute

39= 1/2(13)h

78= 13h

6=h

8 0

4 years ago

Your computer monitor has a width of 14.86 inches and a height of 11.15 inches. what is the area of the monitor display in squar

Mumz [18]

Assuming a rectangular monitor

the area of a rectangle is
A=B*H
B-base
H- Height

multiply 14.86 by 11.15
sorry, then make a unit conversion into m^2

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4 years ago

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You estimate that a baby pig weighs 20 pounds. The actual weight of the baby pig is 16 pounds. Find the percent error.

vagabundo [1.1K]

Answer:

25%

Step-by-step explanation:

percent error is found by the equation(measured-real)/real x 100

20 is the measured value and 16 is the real value

(20-16)/16 x 100

4/16 x 100

0.25 x 100

hope this helps!

8 0

2 years ago

Help me pleasee !!!!

Daniel [21]

Answer:

here (edit I made a mistake)

Step-by-step explanation:

9) $y=\frac{3}{5} x +5$

10) y = x - 3

11) $y=-\frac{3}{5} x - 3$

12) $y=\frac{5}{4} x + 2$

these are the slop int forms, my bad...

sorry

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2 years ago

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circle F is intersected by line HI and IJ and the measurement of angle HIJ is 101 degrees. what is the measurement of arc HJ

Colt1911 [192]

To solve this problem, you need to use the Exterior Angle (Out) equation which for this problem would be $\frac{281-x}{2}=101$ . After correctly solving the problem with this equation, you will figure out that the answer is 79.

mHJ= 79°

Hope this helped :)

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4 years ago

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