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bekas [8.4K]
4 years ago
7

HELP PLZ HURRY, i really need help with this

Mathematics
2 answers:
zzz [600]4 years ago
5 0

Answer:

12

Step-by-step explanation:

5125558555455544444444

joja [24]4 years ago
5 0
3,3 -2,4.........................
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Find an equation of the sphere with center (4, −12, 8) and radius 10.
Lorico [155]

Answer:

Step-by-step explanation:

To find an equation of the sphere with center (4, −12, 8) and radius 10

(x-4)^2+(y+12)^2+(z-8)^2 = 100

intersection with xy-plane

Put z=0

(x-4)^2+(y+12)^2+(0-8)^2 = 100

(x-4)^2+(y+12)^2 = 36

(A circle with centre at (4,-12) and radius 6)

intersection with xz-plane

Put y =0

(x-4)^2+(0+12)^2+(z-8)^2 = 100

(x-4)^2+(z-8)^2 = -44

Sum of squares cannot be positive, so DNE

intersection with yz-plane

Put x=0

(0-4)^2+(y+12)^2+(z-8)^2 = 100

(y+12)^2+(z-8)^2 = 84

A circle in YZ plane with centre at y =-12 and z =8 and radius square root of 84

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3 years ago
A recipe asks for 4 1/2 pounds of chicken.
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2/1/2 you need 2and 1/2 of chicken

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Kaitlyn is remodeling her kitchen the table shows the cost of items she wants to buy with her credit card it Kaitlyn has a $2,00
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X+2y=8 under it is x-3y =6 solve it using simultaneous equation,substitution method.​
cupoosta [38]

Answer:

Step-by-step explanation:

x +2y = 8  ----- (I)

 x = 8 - 2y

x - 3y = 6 -------(II)

Substitute x = 8 - 2y in equation (II)

8 - 2y - 3y = 6    {add like terms}

8 - 5y = 6

Subtract 8 form both sides

 -5y = 6- 8

 -5y = -2

Divide both sides by -5

 -5y/-5 = -2/-5

y = 2/5

Substitute y = 2/5 in equation (I)

x+2*\frac{2}{5}=8\\\\x+\frac{4}{5}=8\\\\x=8- \frac{4}{5}\\\\x=\frac{8*5}{1*5}-\frac{4}{5}\\\\x=\frac{40}{5}-\frac{4}{5}\\\\x=\frac{36}{5}

x = 36/5

8 0
3 years ago
What is the LCM for (x + 3)2(x – 2) and (x + 3)(x2 – 16)?
Shkiper50 [21]

Answer:

(x+3)^2(x-2)(x^2-16)

Step-by-step explanation:

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