A circle cuts the x-axis at (4,0) and (14,0), and cuts the y-axis at (0,6) and (0,8). Find it's equation

Answers

Answer 1

Answer: It is not a circle but you can find the equation of the ellipse.
To do this we need to work out the major and minor radii and the centre
The centre is at (9, 7)
The major (y) radius is 1 and the minor (x) radius is 5
Therefore the equation is (x-9)/5 + (y-7)/1 = 1

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Solve by substitution
y=x+3
y=2x+5

Answers

y = x+3
y = 2x+5
x+3 = 2x+5
x+8 = 2x
x = 8

I think I did that right, anyway.

y=x+3
y=2x+5

1. Solve for the variable that is easiest to find.
In this case I will solve for x.
y=x+3
-3 -3
y-3=x

2. Now plug in (y-3) for x in the other equation.
y=2(y-3)+5 ~use distributive property
y=2y-6+5 ~combine like terms
y=2y-1
-2y=-2y
-y=-1 ~multiply both sides by -1
y=1

3. Since you have a value for y you can plug it in to solve for x.
y=x+3
1=x+3
-3 -3
-2=x

Answers:
y=1
x=-2

How much does a female elephant weight in tons if they weigh 7,000 pounds

Answers

7,000 pounds is equal to 3.5 tons.

The perimeter of the scalene triangle is 54.6 cm.Which equation can be used to find the value of b if side a measures 8.7 cm?

8.7 + b = 54.6
17.4 + b = 54.6
26.1 + b = 54.6
34.8 + b = 54.6

Answers

the correct question is
The perimeter of the scalene triangle is $54.6$ cm.
Which equation can be used to find the value of b if side a measure $8.7$ cm and side c measure $26.1$ cm?

we know that
the perimeter of a triangle is equal to

$P=a+b+c \n P=54.6 cm$ equation 1

$P=a+b+c \n P=8.7+26.1+b$ equation 2

equate equation 1 and equation 2
$54.6=(8.7+26.1)+b \n 54.6=34.8+b$

therefore

the answer is the option D
$34.8 + b = 54.6$

Answer:The correct answer is :

34.8 + b = 54.6

Step-by-step explanation:

The perimeter of the scalene triangle = Sum of length of all sides

Given that perimeter of the scalene triangle = 54.6 cm

a = 8.7 cm , c = 26.1 cm

a + b + c= 54.6 cm

8.7 cm + b + 26.1 cm= 54.6 cm

34.8 cm+b = 54.6 cm

From the given options the correct answer is:

34.8 cm+b = 54.6 cm

Which of the following are polynomials?
A- a^0

B- 0

C- a^0 + 17

Answers

I believe it’s b I’m not really sure

C because a polynomial has several terms

Write the equation of a line in Slope-intercept form which is perpendicular 5 pointsto y = -3x + 4 and passes through the point (9, 12).

Answers

Answer:

Step-by-step explanation:

perp.: 1/3

y - 12 = 1/3(x - 9)

y - 12 = 1/3x - 3

y = 1/3x + 9

Jason has decided to sell one of his baseball cards. The card is valued at $51.00. The store is only offering Jason $29.00. How much less is Jason being offered for his card than what it is valued at?*

Answers

well, just take the difference, 51-29, and 22 is how much less his card it being valued at. Or you can do 29-55, which would be -22, showing the amount and that it's valued less.

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