Melanie made a circular necklace. She puts beads evenly spaced around the necklace. If the 4th bead is directly across from the 11th head, how many beads are on the necklace

Answers

Answer 1

Answer: If the 4th lies opposite the 11th, then you know the 3rd lies opposite the 10th, the 2nd opposite the 9th, and the 1st opposite the 8th; meanwhile, in the reverse direction you'd find that the 5th lies opposite the 12th, the 6th opposite the 13th, and the 7th opposite the 14th. Move up one more bead and you're back at the 1st, which you already know lies opposite the 8th. Therefore there are 14 total beads.

Answer 2

Answer: 14 in total beads ...

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What is the equation of the line, in standard form, that passes through (4, -3) and is parallel to the line whose equation is 4x + y - 2 = 0?

Answers

in ax+by=c form
slope=-a/b

a paralel line has same slope
4x+y-2=0
4x+1y=2
slope=-4/1=-4

therefor the other line has to have a slopt of -4

y=mx+b
m=slope
b=y intercept
slope=-4
y=-4x+b
input a point tha we ar given (4,-3)
x=4
y=-3
-3=-4(4)+b
-3=-16+b
add 16
13=b
y=-4x+13
get to ax+by=c form
add 4y both sides
4x+y=13 is the euation

The sides of a triangle are in the ratio 3 : 4 : 5. What is the length of each side if the perimeter of the triangle is 90 cm?

Answers

what we can do is set up an algebraic equation.

our variable can me L for Length

3L+4L+5L=90

now all we have to do is solve

12L=90
---- ----
12 12

L=7.5

now multiple each number in the ratio by 7.5 to find out how long each side is

3 times 7.5 is 22.5
4 times 7.5 is 30
5 times 7.5 is 37.5

the side lengths are 22.5, 30, and 37.5

Can someone help 400 divide 700

Answers

Answer:

0.57142857142

Step-by-step explanation:

Use a calculator.

If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its center point is (5, 7) (-5, 7) (5, -7) If the equation of a circle is (x + 5)2 + (y - 7)2 = 36, its radius is 6 16 36
If the equation of a circle is (x - 2)2 + (y - 6)2 = 4, the center is point (2, 6).
a. True
b. False
The distance between A (-5, 3) and B(5, 3) is. 3 6 10

Answers

Answer:

Part 1. Center point is ( -5 , 7 ).

Part 2. Radius is 6

Part 3. False

Parts 4. Distance between A & B is 10.

Step-by-step explanation:

Standard Equation of circle is ,

( x - h )² + ( y - k )² = r²

where, ( h , k ) is coordinate of center of circle and r is radius of circle.

Part 1.

Comparing with standard equation of circle we get,

Coordinate of center of circle = ( -5 , 7 )

Thus, 2nd Option is correct.

Part 2.

Comparing with standard equation of circle we get,

radius of circle = 6

Thus, 1st Option is correct.

Part 3.

Comparing with standard equation of circle we get,

Coordinate of center of circle = ( 2 , 3 )

Thus, False.

Part 1.

Distance between two point given by $√((x_2-x_1)^2+(y_1-y_1)^2)$

Distance between A( -5 , 3 ) & B ( 5 , 3 ) = $√((-5-5)^2+(3-3)^2)$

= $√((-10)^2+0^2)$

= $10$

Thus, 3rd Option is correct.

Hello,
1): its center point is (-5,7). Answer B
2):radius is 6 Answer A
3) Anwser A true
4)|AB|=√((5+5)²+(3-3)²)=10 Answer C

Ricky went to buy stationary to New Paper Mart. He found missing data in the bill as shown below. Find the values of A, B, C and D and complete the bill.

Answers

Answer:

The value of A = 36

The value of B = 42

The value of C = 30

The value of D = 12

Step-by-step explanation:

A= $6 x 6= 36

B= 336 ÷ 8= 42

C= $15 x 2= 30

D= 24 ÷ $2= 12

Find complete question in the attachment

For the function y = -2+5sin(pi/12(x-2)), what is the maximum value?

Answers

To get the function y = -2+5sin(pi/12(x-2)), the maximum value can be determined by differentiating the function and equating it to zero. The value of x will give the maximum value of the function.
dy/dx = 5 cos (pi/12 (x-2)) (pi/12)
dy/dx = 5 pi/12 cos(pi/12 (x-2))

Equate to zero:
5 pi/12 cos(pi/12 (x-2)) =0
pi/12 (x-2) = 3pi/2
x = 8

Substituting,
y= -2 + 5sin( pi/12 (8-2)
y = -1.86

Answer:

i got 3

Step-by-step explanation:

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