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cupoosta [38]
3 years ago
9

What is the center and radius of the following circle (x - 5) ^ 2 + (y + 2) ^ 2 = 16

Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0

Answer:

Step-by-step explanation:

if center=(h,k)

radius=r

eq. of circle is (x-h)^2+(y-k)^2=r^2

given eq. is (x-5)^2+(y+2)^2=16=4^2

comparing

center =(5,-2)

radius r=4

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Together, two apples have 175 gram of fat. How many apples have a total of 4 grams of fat?
inysia [295]

I'm pretty sure if the answer accepts decimals, if two apples = 175 grams, then one apple equals 87.5 grams, and if we want an apple that equals four grams, it would be less than one apple so we would divide the grams of one apple till it equals 4, therefore 87.5/4 = 21.875

P.S. im not entirely sure this is right im just trying to help :)

4 0
3 years ago
Consider the following equation with the solution (1,3) equation 1 of the system: 2x y=5 equation 2 of the system: x-2y=-5
Slav-nsk [51]
This is the solution to the system of equations.
1st Answer: x=1
2nd Answer: y=1
4 0
3 years ago
What is -2(3X +12 Y -5-17 X -16 Y +4) Simplified
notsponge [240]

Answer:

-2 (3x +12 Y -5 -17 X -16 Y +4)

Step-by-step explanation:

omg.. here we go..

-2 (17) i THinK im not sure hope this helped

7 0
3 years ago
I am trying to understand how to solve for X, then solve the equation
Alina [70]

Answer:

x = 16

m<Y = 34°

Step-by-step explanation:

∆XYZ is an isosceles ∆. An isosceles ∆ has two equal sides, as well as the bases of the isosceles triangle are congruent. In this case, therefore:

<X = <Z

(6x - 23)° = (4x + 9)

Solve for x

6x - 23 = 4x + 9

Collect like terms

6x - 4x = 23 + 9

2x = 32

Divide both sides by 2

x = 16

m<Y = 180° - (m<X + m<Z) (sum of ∆)

m<Y = 180 - ((6x - 23) + (4x + 9))

Plug in the value of x

m<Y = 180 - ((6(16) - 23) + (4(16) + 9))

m<Y = 180 - (73 + 73)

m<Y = 34°

5 0
3 years ago
Of the four choices given, which two, when written as a system, have a solution of (-4,5)?
Svetach [21]

Answer:

both choices with 2x+y = -3

Step-by-step explanation:

to have the solution (-4, 5), that point must be on both equations/functions, meaning it must be on either one.

in other words, if the point is not on at least one of the functions, it cannot be a solution for that system.

the given function

2x + y = -3

looks like for the point (-4, 5)

2×-4 + 5 = -3

-8 + 5 = -3

-3 = -3

correct.

but

-2x + y = -3

looks like for (-4, 5)

-2×-4 + 5 = -3

8 + 5 = -3

13 = -3

wrong. the point is not on this function.

as we can therefore rule out 2 of the answer options, the other 2 most be correct.

4 0
3 years ago
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