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ElenaW [278]
3 years ago
10

Jeremy sees an analog clock that reads 3:32. which of the following are true. a. in 18 minutes it will be 3:14. b. 27 minutes ha

ve elapsed since 3:59. c. the hour hand is between the 2 and 3. d. the minute hand is between the 6 and the 7
Mathematics
1 answer:
Nastasia [14]3 years ago
7 0
The answer is D. The minute hand is in between 6 and 7.
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Solve the system (x-1)²+(y-2)²=2² and y=2x+2.
Likurg_2 [28]

Answer:

  (x, y) = (-0.6, 0.8)  or  (1, 4)

Step-by-step explanation:

Use the second equation to substitute for y in the first.

 (x -1)² +((2x +2) -2)² = 4

  x -2x +1 + 4x² = 4 . . . . . . . eliminate parentheses

  5x² -2x -3 = 0 . . . . . . . . . . subtract 4, collect terms

Now we can rearrange the middle term to ease factoring by grouping.

  (5x² -5x) +(3x -3) = 0

  5x(x -1) +3(x -1) = 0

  (5x +3)(x -1) = 0

The values of x that make these factors zero are ...

  x = -3/5, x = 1

The corresponding values of y are ...

  y = 2(-3/5)+2 = 4/5 . . . . for x = -3/5

  y = 2(1) +2 = 4 . . . . . . . . for x = 1

The solutions are: (x, y) = (-3/5, 4/5) or (1, 4).

___

A graphing calculator verifies these solutions.

3 0
3 years ago
Triangle ABC has vertices of A(-6, 7), B (4, -1), and C (-2, -9). What is the length of the median from angle B?
jeka94
Coordinates of the midpoint of AC:
M ( (-6-2) / 2) , ( 7-9 ) /2 ) = ( -4, -1 )
d ( BM ) = √ ( 4 + 4 )² + ( -1+ 1 )²
d ( BM ) =   √  8 ²  =√ 64 = 8
The length of the median from angle B is 8.
6 0
3 years ago
Read 2 more answers
Find the value of given expression<br><br>=》<br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20%5Csqrt%7B121%7D%20%7D%7B11%7D
koban [17]

Answer:

Answer is 1 I hope this help you

6 0
3 years ago
Please help!posted picture of question
ale4655 [162]
We have the following arithmetic series:
 4, 13, 22, 31, 40
 The common difference is given by:
 13-4 = 9
 22-13 = 9
 31-22 = 9
 40-31 = 9
 Since it is an arithmetic series, the difference is constant.
 Answer:
 
The common difference is:
 
9
 
option 4
7 0
3 years ago
The community theatre troupe was putting on a summer production of Shakespeare's
Tanzania [10]

Answer:

165

Step-by-step explanation:

since the ticket cost $5.50 per child

so $5.50*30=165

6 0
3 years ago
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