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rjkz [21]
3 years ago
8

If points R and S are contained in a plane, then RS is entirely contained in that plane.

Mathematics
1 answer:
Andrew [12]3 years ago
4 0
True. If the ends of a line are contained in the same plane, then the line has to be in the same plane.
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r = 13.1 km., d = ? , C = ? a. d = 26.2 km, C = 82.31 km c. d = 6.55 km, C = 82.31 km b. d = 26.2 km, C = 41.15 km d. d = 6.55 k
DENIUS [597]
Answer is <span>a. d = 26.2 km, C = 82.31 km

D = 2r = 2 x 13.1 = 26.2
C = 2pi r  = 2 x </span>3.14159265359 x 13.1
C = 82.31

7 0
4 years ago
A certain positive number is multiplied by 4, and then the result is subtracted from the original number. The result is 21 less
stira [4]

Answer:

The number is 7

Step-by-step explanation:

certain positive number: x

x is multipled by 4:

4x

result of this is subtracted from the original number:

so original number minus 4x,

x - 4x

the result is 21 less than 0, this means negative 21

x - 4x = 0 - 21 = -21

do algebra:

-3x = -21

multiply both sides by -1

3x = 21

divide both sides by 3

x=7

(certain positive number: x) is equal to 7

4 0
3 years ago
Read 2 more answers
Examine triangle ABC.<br><br> What is the value of x?<br><br> 37<br> 48<br> 127<br> 138
Flura [38]

The outside angle of B needs to equal 180 - 79 = 101 degrees.

The 3 outside angles of a triangle need to equal 360 degrees.

Set up the equation with what we know:

X + (x+5) + 101 = 360

Simplify:

2x + 106 = 360

Subtract 106 from both sides:

2x = 254

Divide both sides by 2:

x = 254 / 2

x = 127

4 0
3 years ago
Which side is adjacent to
Akimi4 [234]

Answer:

Answer is on the pic

Step-by-step explanation:

I hope it's helpful!

4 0
3 years ago
Solve 2x&gt;7 please thanks
Montano1993 [528]

Answer:

x > \frac{7}{2}

Step-by-step explanation:

given

2x > 7 ( isolate x by dividing both sides by 2 )

x > \frac{7}{2}

8 0
3 years ago
Read 2 more answers
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