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yaroslaw [1]
3 years ago
11

Simon has a rectangular garden that is 10 feet wide. The perimeter of the garden is 50 feet.

Mathematics
2 answers:
elena-s [515]3 years ago
3 0
The area is 150 feet^2. The dimensions are 10x15 feet.

_________x__________
|                                       |
|                                       |
|  10 ft                              |  10 ft
|                                       |
<span>|  ________x__________|</span>

20+2x=50 <--- the perimeter 
30=2x
x= 15

mash [69]3 years ago
3 0
The area is 150 feet.
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You take a three-question true or false quiz. You guess on all the questions. What is the probability that you will get a perfec
elena-14-01-66 [18.8K]
The probability that you will guess the first answer correctly  =  1/2  =  0.5
The probability that you will guess the second answer correctly  =  1/2  =  0.5
The probability that you will guess the third answer correctly  =  1/2  =  0.5

The probability that you will guess all three answers correctly is

                (0.5) x (0.5) x (0.5)  =  0.125  =  12.5% .

============================

Here are all the ways your answer sheet could wind up:
(R = a right answer.  W = a wrong answer.)

W W W 
W W R
W R W
W R R
R W W
R W R
R R W
R R R

Number of possible ways to score 0 right out of 3 questions:  1 way
Number of possible ways to score 1 right out of 3 questions:  3 ways
Number of possible ways to score 2 right out of 3 questions:  3 ways
Number of possible ways to score 3 right out of 3 questions:  1 way

Statistically, if your answers are all pure guesses, 
then on the average, the score you expect is

      (0 + 33-1/3 + 33-1/3 + 33-1/3 + 66-2/3 + 66-2/3 + 66-2/3 + 100) / 8

   =                  400 / 8

   =                      50%  .  

If you're happy with that score, great !  
Go to the movies the night before the test,
and start guessing.


5 0
3 years ago
5. f(x) = 3x³ - 4x² +6x and g(x)=5x ³+ 2x²- 3x. What is f(x) - g(x)?
sasho [114]

Answer:

<h2>A. -2x³ - 6x² + 9x</h2>

Step-by-step explanation:

f(x)=3x^3-4x^2+6x\\\\g(x)=5x^3+2x^2-3x\\\\f(x)-g(x)=(3x^3-4x^2+6x)-(5x^3+2x^2-3x)\\\\=3x^3-4x^2+6x-5x^3-2x^2-(-3x)\qquad\text{combine like terms}\\\\=(3x^3-5x^3)+(-4x^2-2x^2)+(6x+3x)\\\\=-2x^3-6x^2+9x

8 0
3 years ago
Can someone help me? I’ll reward points + brainalist
Lera25 [3.4K]

Answer:

C

Step-by-step explanation:

The formula for the area of a trapezoid is: \frac{1}{2} (height)(sum of parallel lines)  

Thus, the formula in this question would be: \frac{1}{2} (4)(4+8) which is option C

4 0
3 years ago
DC↔ means “ _____ DC”<br><br> A. line DC<br> B. ray DC<br> C. line segment DC<br> D. angle DC
lidiya [134]
Your answer would be line DC or a have a nice day!
6 0
2 years ago
Read 2 more answers
If a can is 20cm Haigh X 8cm diameter what is the volume
sattari [20]
Radius=8/2=4cm

volume=4*4*3.14*20=1004.8

The answer is  1004.8cm₃

7 0
3 years ago
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