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Svetach [21]
2 years ago
14

Please solve, my teacher is stressing me out

Mathematics
1 answer:
Dovator [93]2 years ago
6 0
X= -3.8 this would be it

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Please help me with this
blsea [12.9K]

Answer:

9x squared + 12x

Step-by-step explanation:

8 0
3 years ago
if two fractions have the same denominator but different new Mary which fraction is greater? Give an example
german
It would be the one with the greater numerator 6/6 would be greater than 5/6
5 0
3 years ago
Write an equation for a circle with a diameter that has endpoints at (–10, 1) and (–8, 5). Round to the nearest tenth if necessa
satela [25.4K]

The standard form for the equation of a circle is :

<span><span><span> (x−h)^</span>2</span>+<span><span>(y−k)^</span>2</span>=<span>r2</span></span><span> ----------- EQ(1)
</span><span> where </span><span>handk</span><span> are the </span><span>x and y</span><span> coordinates of the center of the circle and </span>r<span> is the radius.
</span> The center of the circle is the midpoint of the diameter.

 So the midpoint of the diameter with endpoints at (−10,1)and(−8,5) is :

 ((−10+(−8))/2,(1+5)/2)=(−9,3)

 So the point (−9,3) is the center of the circle.

  Now, use the distance formula to find the radius of the circle:

  r^2=(−10−(−9))^2+(1−3)^2=1+4=5

 ⇒r=√5

 Subtituting h=−9, k=3 and r=√5 into EQ(1) gives :

 (x+9)^2+(y−3)^2=5

7 0
3 years ago
Find the missing angle. PLEASE HELP!! I WILL GIVE 100 POINTS!!
mariarad [96]

Answer:

50°

Step-by-step explanation:

90°-40°=50°

The square on the angle means 90°.

Hope this helps! :D

3 0
3 years ago
PLEASE HELP... Students are making necklaces of six beads for their mothers. There are
nasty-shy [4]

Answer:

Step-by-step explanation:

#1 Number of ways picking 2 from 6 = 6C2 = 15

#2 Arranging them in a circle (consider 1 pair AB)

can be done

1,5  (ABBBBB)   or (5,1)

2,4 ( AABBBB) or (4,2)

3,3

1,1 (ABABAB)

all up = 7 ways

#3 = product of #1 and #2 = 15x7 = 105

3 0
1 year ago
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