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3 years ago

If a pair of perpendicular lines are rotated, which is true?

Mathematics

2 answers:

pentagon [3]3 years ago

6 0

D) Rotated perpendicular lines always remain perpendicular lines.

Anna71 [15]3 years ago

4 0

D Rotated perpendicular lines always remain perpendicular lines

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AC = 2x+24<br>DB = 5x-3 solve for x

snow_lady [41]

2x+24
2÷2 25÷2
×=12
AC

1. 5x-3

2. 5÷5 -3÷5

3. x= -3/5

4. DB

7 0

3 years ago

These are so hard for me

aleksandr82 [10.1K]

Answer:

Step-by-step explanation:

The range is the values of y from the vertex upwards

The vertex = (- 2, - 4) → y = - 4

The range is from - 4 upwards in the direction of the parabola, that is

range is [ - 4, ∞ )

6 0

3 years ago

Before starting their graduate studies, a student wants to rent an apartment near the university. She wants to learn how the dis

madreJ [45]

Answer:

The resulting residual value is e=-40.24.

Step-by-step explanation:

The residual value e for a regression model is defined as the difference between the real value y and the predicted value yp:

$e=y-y_p$

The predicted value for DISTANCE=0.43 miles is:

$RENT = 1200.4326 - 256.2567\cdot DISTANCE\\\\RENT(0.43) = 1200.4326 - 256.2567\cdot 0.43\\\\RENT(0.43) = 1200.4326 - 110.1904=1090.2422\\\\$

Then, if the real value is $1,050, the residual value is calculated as:

$e=y-y_p\\\\e=1050-1090.2422=-40.2422$

5 0

2 years ago

The mean and the median are the same.<br> 2,3,4,5

Ber [7]

Step-by-step explanation:

$mean \: ( \bar x) = \frac{2 + 3 + 4 + 5}{4} = \frac{14}{4} = 3.5 \\ \\ median \: = \frac{3 + 4 }{2} = \frac{7}{4} = 3.5 \\ \\$

Thus, mean and median are same.

7 0

2 years ago

(e+1)x3=6 what will be the amount of e

Paul [167]

Answer:

e=1

Step-by-step explanation:

(e+1)×3=6

3e+3=6

3e=6-3

3e=3

e=3/3

e=1

3 0

2 years ago

Read 2 more answers