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uysha [10]
3 years ago
13

sally finds that the experimental probability of her putting a ball into a hole is 15%.Out of 20 putts how many could she predic

t that she could make?
Mathematics
1 answer:
tiny-mole [99]3 years ago
5 0

Answer:

3 because 15% of 20 equals 3

0.15*20=3

Step-by-step explanation:

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Can someone please explain to me how to do this.
JulijaS [17]
Y = x² - 4x + 4
y = 2x - 4

Find intersection of L and C:
x² - 4x + 4 = 2x - 4
x² - 6x + 8 = 0
<span> (x - 2)(x - 4) = 0
x = 2 or x = 4

When x = 2 , y = 2(2) - 4 = 0
When x = 4, y = 2(4) - 4 = 4

Points of intersection = A(2, 0) and B(4, 4)

Find the length of AB:

</span>&#10;\text {Length of AB}=  \sqrt{(4-0)^2 + (4-2)^2} =  \sqrt{16 + 4} = \sqrt{20}  = 4.47 \text{ units}
<span>
Answer: 4.47 units

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4 0
3 years ago
Day 4: As a landscaper, one of your clients wants a rectangular garden in which the length is five feet
liberstina [14]

Answer:

The Area of Rectangular Garden is 1044  feet²    

Step-by-step explanation:

According to question

The perimeter of the garden = 82 ft

Let the length be L ft

The width be W ft

Now as per question

L = 5 + ( 2× W )

∵ Perimeter of Rectangle = 2 × ( Length + Width )

Or , Perimeter of Rectangle = 2 × ( L+ W )

Or, 82 = 2 × ( L+ W )

Or,  82 = 2 × [ 5 + ( 2 ×W ) + W ) ]

Or,  82 = 2 × ( 5 +3W )

Or,  41 = 5 + 3W

Or, 41 - 5 = 3W

So, 3W= 36

∴    W = \frac{36}{3} = 12 feet

I.e Width = 12 feet

And L = 5 + ( 2× W )

Or, Length = 5 + 24 = 29 feet

Now The Area of Rectangle = Length × width

So, The Area of Rectangle = 29 ft × 36 ft

The Area of Rectangle is 1044 feet²

Hence The Area of Rectangular Garden is 1044  feet²        Answer

4 0
3 years ago
The legs of a isosceles triangle are 0.3 foot less then twice the base . The perimeter of the triangle is 4.9 feet .
REY [17]

Answer:

Hey

Step-by-step explanation:

I bevlive your answer is B. If you multiply the two numbers you get 1.4

3 0
3 years ago
Read 2 more answers
10x^2+50 factoring by taking out the greatest common factor
inessss [21]

Answer:

The greatest common factor is 10

Step-by-step explanation:

Once you factor it out, you have :

10(x^2+5)

8 0
3 years ago
True or False: A bisector of an angle divides the angle into right angles.
kenny6666 [7]
False. A bisector divides the angle evenly, not into right angles.
5 0
3 years ago
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