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kondor19780726 [428]
3 years ago
8

The diagram shows a door lock.

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
3 0
Could i have a photo?
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Write an equation in slope intercept form for a line that passed through the two points below (-4,7), (8,1)
vichka [17]
Y= -1/2x + 5
Good luck!!!!
7 0
2 years ago
If the endpoints of the diameter of a circle are (6, 3) and (2, 1), what is the standard form equation of the circle?
Anastasy [175]
If the endpoints of a diameter are (6,3) and (2,1) the midpoint is the center of the circle so:

(x,y)=((6+2)/2, (3+1)/2)=(4,2)

Now we need to find the radius....the diameter is:

d^2=(6-2)^2+(3-1)^2

d^2=16+4

d^2=20  since d=2r, r=d/2, and r^2=d^2/4 so

r^2=5

The standard form of the circle is (x-h)^2+(y-k)^2=r^2 and we know:
 
(h,k)=(4,2) from earlier so:

(x-4)^2+(y-2)^2=5
8 0
3 years ago
Q3. Trevor buys a boat. The cost of the boat is £14 200 plus VAT at 20%.
uranmaximum [27]
10 the answer is c. i don’t know if that’s correct
5 0
2 years ago
Betty is having invitations printed for a holiday party. It costs $3.70 to set up the printing machine and $1.55 per invitation.
PIT_PIT [208]
Y = 1.55x + 3.70
1.55 x 150 = 232.5
232.5 + 3.70 = 236.2

The answer is C 236.20 hope that helped.
4 0
3 years ago
Two equal sides of an isosceles triangle are (3x - 1) units and (2x + 2) units. The third side is 2x units. Find x and
vovikov84 [41]

Answer: x=3 units. Perimeter:22 units

Step-by-step explanation:

P=perimeter

3x-1=2x+2

x-1=2

x=3 units

P=3x-1+2x+2+2x

P=3(3)-1+2(3)+2+2(3)

P=9-1+6+2+6

P=8+8+6

P=22 units

6 0
1 year ago
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