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Maru [420]
3 years ago
8

What is the y-intercept of y= 2/3x+21.(2,3)2.(3,2)3.(0,2)4.(-3,0)​

Mathematics
1 answer:
weeeeeb [17]3 years ago
3 0
It would be 3 since the equation has y but no x
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6)<br> x + 87<br> 80°<br> A) 10<br> C) 4.<br> B) 3<br> D) -7
lesya692 [45]

Answer:

D

Step-by-step explanation:

x + 87 = 80

x = -7

87-7 = 80

5 0
3 years ago
How many lines of symmetry does a Pentagon have?​
Yanka [14]

Answer:

5

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Show your work please
Aneli [31]
Rise is 3 and run is 3.5 so its 3/3.5
5 0
3 years ago
PLEASE HELP AND ILL GIVE BRAINLIEST ​
stepladder [879]

Answer:

2

Step-by-step explanation:

Subtract the number with the term both sides ( which is 9)

{x}^{2}  +  {y}^{2}  - 6x + 4y  =  - 9

Complete the square for the x terms and y terms.

( To complete the square divide the coefficient term by 2 and square it, then add that product to both sides.)

{x}^{2}  - 6x + 9 +  {y}^{2}  +4y + 4 =  - 9 + 9 + 4

(x - 3) {}^{2}  + (y + 2) {}^{2}  = 4

Take the square root of the right side to find the radius

\sqrt{4}  = 2

4 0
3 years ago
The minute hand of a clock is 8 inches long and moves from 12 to 2 o'clock how far does the top of the minute hand move? express
oksano4ka [1.4K]
The perimeter in 60 minutes is:
 2 * pi * r
 2 * pi * 8
 50.26548246 inches
 It moves from 12 to 2:
 The perimeter will be:
 (10/60) * (50.26548246)
 Rewriting:
 = (2/12) * (50.26548246)
 = (1/6) * (50.26548246)
 = 8.37758041
 round to two-decimal places:
 = 8.38 inches
 Answer:
 the top of the minute hand moves 8.38 inches
6 0
3 years ago
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