Answer:
Step-by-step explanation:
There is a 1/5 chance she spins a 1. (1/5 = 20% = 0.2)
She spins 20 times:
20 * 0.2 = 4
So she should expect getting 4 twos.
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Answer:
STEP 1: Find the circumference:
Circumference = 2πr
Circumference = 2π(14) = 28π cm
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STEP 2: Find the length of the arc:
Length of the arc = 36/360 x 28π
Length of the arc = 8.8 cm
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Answer: The length of the arc is 8.8 cm
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Answer:
4/9
Step-by-step explanation:
So, the ratio of the books is 8:10:6. After 2 books were taken off of each shelf, it became 6:8:4. All of these numbers added up is 18. So that means 8/18 of the books are math books, which can be simplified to 4/9.
the angle with the equation (9x+11) is a vertical angle with the 56 degree angle.
This means the two angles are the same.
Set the equation to equal 56 and solve for X:
9x+11 = 56
Subtract 11 from each side:
9x = 45
Divide both sides by 9"
x = 45/9
x = 5
<span>1. What is the area of this figure?
Enter your answer in the box.
A = (5x5) + 1/2(4)(5)
A = 25 + 10
A = 35
answer
35 cm²
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</span><span>2. What is the measure of angle x?
Enter your answer in the box.
x = 90° - 47
x = 43</span>°