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3 years ago

How many triangles can be constructed with angles measuring 90,60 and 60

Mathematics

1 answer:

8_murik_8 [283]3 years ago

7 0

Answer: one

Step-by-step explanation:

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7 0

2 years ago

5 quarters plus 4 dimes plus 4 nickels plus 10 pennies equals

fgiga [73]

Answer: $1.95

Step-by-step explanation: 5 quarters = 125 cents 4 dimes = 40 cents 4 nickels = 20 cents and 10 pennies = 10 cents 125 + 40 + 20 + 10 = 195 cents take 100 away to form a dollar and the answer is $1.95

7 0

2 years ago

Solve 1/2x - 12 = 12

cluponka [151]

Answer:

x = 28.

Step-by-step explanation:

1/2x - 12 = 12

Add 12 to both sides:

1/2x - 12 + 12 = 12 + 12

1/2x = 24

Now, to isolate x we multiply both sides by 2:

1.2 x * 2 = 24 * 2

x = 48.

6 0

2 years ago

How many times would you expect to land on heads if you flipped a standard coin 250 times?

Basile [38]

Answer:

125

Step-by-step explanation:

250/2=125 this is how many time you would expect to get heads

4 0

2 years ago

The figures below are based on semicircles and squares. Find the perimeter and the area of each shape. Give your answer as a com

irina1246 [14]

Answer:

Part 1) The area of the figure is $A=48\ cm^2$

Part 2) The perimeter of the figure is $P=4(2+3\pi)\ cm$

Step-by-step explanation:

Part 1) Find the area of the figure

we know that

The area of the figure is equal to the area of three squares

$A=3[4^2]=48\ cm^2$

Part 2) Find the perimeter of the figure

we know that

The perimeter of the figure is equal to two times the length side of the square, plus the circumference of six semicircles ( or the circumference of three circles)

Remember that

The circumference of a circle is equal to

$C=\pi D$

where

D is the diameter of the circle

In this problem

$D=4\ cm$

$P=2(4)+3[\pi(4)]=(8+12\pi)\ cm$

simplify

$P=4(2+3\pi)\ cm$

8 0

2 years ago