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3 years ago

What is the equation for two thirds of a full turn

1 answer:

5 0

Full turn = 360 degrees
2/3 of a full turn.
So 1/3 of a turn is 120 degrees
Since it’s 2/3, you add another 120 to make 240

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Hey, can I please get some help with this? It shouldn’t be too hard, thanks!

Fynjy0 [20]

Answer:

(x -3)(x+3)(2x +1)
(x -1)(x +1)(x +3)
(2x -1)(2x +1)(x -4)

Step-by-step explanation:

A) 2x³ +x² -18x -9 = x²(2x +1) -9(2x +1) = (x² -9)(2x +1) = (x -3)(x+3)(2x +1)

B) x³ +3x² -x -3 = x²(x +3) -1(x +3) = (x² -1)(x +3) = (x -1)(x +1)(x +3)

C) 4x³ -16x² -x +4 = 4x²(x -4) -1(x -4) = (4x² -1)(x -4) = (2x -1)(2x +1)(x -4)

_____

In each case, the third-level factoring mentioned in step 4 is the factoring of the difference of squares: a² -b² = (a -b)(a +b).

_____

The step-by-step is exactly what you need to do. It is simply a matter of following those instructions. You do have to be able to recognize the common factors of a pair of terms. That will be the GCF of the numbers and the least powers of the common variables.

7 0

3 years ago

Winona’s bowling scores for the past nine weeks are 195, 180, 195, 212, 208, 231, 179, 246, and 195. Find the mean, median, and

belka [17]

Answer: Mean = 204.6 , Median = 195 and mode =195

Step-by-step explanation:

The given data for Winona’s bowling scores for the past nine weeks : 195, 180, 195, 212, 208, 231, 179, 246, 195.

The formula to find Mean is given by :-

$\text{Mean}=\dfrac{\text{Sum of all observations}}{\text{Number of observations}}\\\\=\dfrac{1841}{9}=204.555555556\approx204.6$

For median , first we arrange data values in order as

179, 180, 195, 195, 195, 208, 212, 231, 246

Since the number of data values is 9 (odd).

∴ Median = Middle most data value = 195

Also, Mode = Most occurring data value = 195

3 0

4 years ago

Estimate each product : 1/7 x 20

Masteriza [31]

Answer:

2.85714285714

Step-by-step explanation:

just searched it.

5 0

3 years ago

Read 2 more answers

Estimate the quotient 63.5 dividend by 5

Contact [7]

The estimate is twelve because five goes into sixty roughly twelve times.

3 0

3 years ago

Business trip of 325.5 miles. Averaged 49 mph for the first part of the trip and 58 mph for the second part. If the trip took 6

Mama L [17]

Let t = travel time at 58

and

(6-t) = travel time at 49

distance at 58 + distance at 49 = 325.5 mi

58t + 49(6-t) = 325.5
58t + 294 - 49t = 325.5

9t+294 = 325.5

9t =31.5

T = 31.5/9 = 3.5 hours at 58 mph

6-3.5 = 2.5 hours at 49 mph

Check:

58*3.5 = 203

49*2.5= 122.5

203+122.5 = 325.5

5 0

3 years ago