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faust18 [17]
3 years ago
6

Circle O has a circumference of approximately 44 in. What is the approximate length of the diameter, d? 7 in. 14 in. 22 in. 44 i

n.
Mathematics
2 answers:
katrin [286]3 years ago
6 0
Circumference = 3.1415 (pi) x diameter
44 = 3.1414 x diameter

Diameter = 14.006 or 14 (aprox)
Verizon [17]3 years ago
6 0

Answer:

14

Step-by-step explanation:              

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Urgent help needed plz.
madreJ [45]
There are 6 letters in the word "autumn" so 
6! = 6*5*4*3*2*1 = 720
represents the number of ways to arrange the letters (order matters)

Note how there are two letter "u"s here which can't be told apart. If we could tell them apart, then the answer would be 720. However, we can't tell them apart. So we're doubly counting things. To undo this, we divide by 2

720/2 = 360

------------------------------------------------

Final Answer: 360
7 0
3 years ago
Polynomial: 3x^4 + 5x - 4; Divisor: x - 1​
irina [24]

Answer:

3x³+3x²+3x+8+\frac{4}{x-1}

Step-by-step explanation:

You can use synthetic division for this problem since the divisor is in (x-a) form. The fraction is the remainder over the divisor.

3 0
3 years ago
Can someone please help me with this
Inessa05 [86]
To find the area of a prism, you calculate the area of the cross-section and multiply that number by the length. The cross-section of this prism is a trapezium, and the formula for this is \frac{a+b}{2}h. 
Insert your given numbers to find out the area of this prism's cross-section:
\frac{3+12}{2}12=90
Now, multiply 90 by the length, 10cm, to find out the volume of the prism;
90×10=900cm³
Therefore, your answer id the third option.

6 0
3 years ago
I NEED HELP ASAP!!!!!!!
DIA [1.3K]

Answer:

f(-3)= 15

Step-by-step explanation:

f(-3) means x is equal to -3

-3 squared - 2(-3)

-3*-3 -2(-3)

*Negative multiplied by a negative equals a positive

9+6= 15

f(-3)= 15

Hope this helps!

3 0
3 years ago
Read 2 more answers
Please help due Monday
Katarina [22]

Answer:

1. 43, 45, and 47

2. 50, 52, and 54

3. 47 years old

4. 106 degrees

5. 66 degrees

Step-by-step explanation:

1. Let's assume that the first number in the three consecutive odd numbers is x.

We can write an equation to express this now. x + (x+2) = (x+4) + 41.

Combining like terms, we get 2x+2 = x+45. Subtracting by (x+2) on each side, we get x = 43. Since the smallest number is 43, we can find the two larger numbers as well, since they are 2 more than one another. Therefore, the numbers are 43, 45, and 47.

2. Let's assume that the first number in the three consecutive even integers is x.

We can write an equation to express this now. x + (x+2) = (x+4)+48

Combining like terms, we get 2x+2 = x+52. Subtracting by (x+2) on each side, we get x = 50. Since the smallest number is 50, we can find the two larger numbers as well, since they are 2 more than one another. Therefore, the numbers are 50, 52, and 54

3. We can write his current age in years as x. Next year, his age will be x+1. We know that the sum of his current age and his age next year is 73, so we can write an equation to express this.

x + (x+1) = 73. Therefore, 2x + 1 = 73, or 2x = 72. This means that x = 36, or his current age is 36. In 11 years, his age will be 36 + 11 = 47 years old.

4. (21x+1) + (14x+4) = 180. Combining like terms, we get 35x + 5 = 180 Subtracting by 5 on both sides, we get 35x = 175 This means that x = 5. Now, we can find the degree measures of both angles and find the larger one. The degree measure of the angle on the left is 21(5) + 1 = 106 degrees, and the degree measure of the angle on the right is 14(5) + 4 = 74 degrees. Therefore, the degree measure of the larger angle is 106 degrees.

5. We know that the sum of the angles in a triangle is 180 degrees. Therefore, we can sum the angles up and equate them to 180 degrees.

(x-24) + (2x-108) + (1/3x+12) = 10/3x - 120 = 180. Adding 120 to both sides, we get 10/3x = 300. Multiplying both sides by 3/10, we get x = 900/10 = 90. Therefore, plugging in x = 90, we get 66 degrees.

5 0
3 years ago
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