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3 years ago

Can someone help me? look at the picture

Mathematics

1 answer:

Elena L [17]3 years ago

3 0

C) The y-intercept of F(x) is equal to the y-intercept

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Use the given information to answer the following questions. center (3, -9, 3), radius 5 (a) Find an equation of the sphere with

lianna [129]

Answer: The equation of the sphere with the center and radius

$x^{2} +y^{2} +z^{2}-6 x+18 y-6 z+74=0$

b) The intersection of this sphere with the y z-plane the x- co-ordinate

is zero(i.e., x = 0 )

Step-by-step explanation:

a) The equation of the sphere having center (h,k,l) and radius r is

$(x-h)^{2} +(y-k)^2+(z-l)^2 = r^2$

Given center of the sphere (3, -9, 3) and radius 5

$(x-3)^{2}+(y+9)^2+(z-3)^2 = 5^2$

on simplification , we get solution

$x^{2} -6 x+9+y^{2} +18 y+81+z^{2}-6 z+9=25$

$x^{2} +y^{2} +z^{2}-6 x+18 y-6 z+74=0$

Final answer :-

$x^{2} +y^{2} +z^{2}-6 x+18 y-6 z+74=0$

b) The intersection of this sphere with the y z-plane the x- co-ordinate

is zero(i.e., x = 0 )

$y^{2} +z^{2}+18 y-6 z+74=0$

7 0

3 years ago

Can anyone help without using reciprocal?

vova2212 [387]

Answer:

x = -5/3

Step-by-step explanation:

-4 = $\dfrac{20}{3}x$

-4×3 = 20 x

-12 = 20 x

$x = \dfrac{-5}{3}$

3 0

2 years ago

Whats the soultion for 10000 ft/hr = mi/hr

VLD [36.1K]

Hi! There are 5,280 feet in a mile. Therefore, you need to divide 10,000 feet by 5,280 (to see how many miles there are per every 5280 feet) and you get 1.89 miles per hour.

7 0

3 years ago

I need the answer. Please help.

Basile [38]

Angle V = 25 degrees. See the attached picture:

7 0

3 years ago

Please answer all these questions for me for day 4.

ira [324]

(a)6x-28=4x+18
2x=46
x=23

(b)75=11x-2
77=11x
7=x

(c)x+139=132
x=-7

3 0

3 years ago