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Ivanshal [37]
3 years ago
7

Would this be h=4 or h=12? 4=h-8

Mathematics
1 answer:
blsea [12.9K]3 years ago
4 0

Answer:

H=12

Step-by-step explanation:

12-8=4

hope this helps!!

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The trapezoid consists of a triangle and a parallelogram. The area of the trapezoid is 48 square feet. Find the length of the ba
Juli2301 [7.4K]

Answer:

4ft

Step-by-step explanation:

7 0
3 years ago
Write the equation of the sphere in standard form. x2 + y2 + z2 + 8x − 6y + 4z + 20 = 0
Nuetrik [128]

Answer:

(x+4)^2 + (y-3)^2 + (z+2)^2 - 3^2 = 0


Step-by-step explanation:

You have to find a, b, c, r so that the polynomial expands to match the given equation.

(x-a)^2 + (y-b)^2 + (z-c)^2 - r^2 =\\x^2-2ax+a^2+\\y^2-2by+b^2+\\z^2-2cz+c^2-r^2 =\\ x^2 + y^2 + z^2 + 8x - 6y + 4z + 20

(a^2+b^2+c^2-r^2-20)+\\x(-8-2a)+y(6-2b)+z(-4-2c)=0

-8-2a=0, 6-2b=0, -4-2c=0\\a=-4, b=3, c=-2

(-4)^2+3^2+(-2)^2-r^2-20 = 0

16+9+4-20=r^2

r^2=9

r=3

(x+4)^2 + (y-3)^2 + (z+2)^2 - 3^2 = 0



5 0
4 years ago
The number 260 is separate into two parts of the first part is eight more than three times the second part. what are the two num
bagirrra123 [75]

Answer:

63 & 197

Step-by-step explanation:

260  = (3x + 8) + x

260 = 4x + 8

x = 63

Thus second number is 3*63+8=197

5 0
4 years ago
Read 2 more answers
Helpppp ASAP PLEASEEE
enot [183]
Just graph them online and see which quadrant
3 0
3 years ago
Read 2 more answers
Please help, Answers to any of these questions??
igomit [66]

Answer:

13) began with 34

Step-by-step explanation:

20 cards replaced and now have 37

37-20=17

17 is half of the baseball cards

17x2= 34 which is what you began with

3 0
3 years ago
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