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3 years ago

15

An isosceles triangle has an angle that measures 140°. Which other angles could be in that isosceles triangle? Choose all that a

pply.

1 answer:

lara [203]3 years ago

6 0

Every triangle is 180 degrees, so each other angle should have 20

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Write the equation of a circle centered at the

Fudgin [204]

Answer:

$(x+4)^2+(y+6)^2=100$

Step-by-step explanation:

Given a circle centred at the point P(-4,-6) and passing through the point

R(2,2).

To find its equation, we follow these steps.

Step 1: Determine its radius, r using the distance formula

For point P(-4,-6) and R(2,2)

$\text{Distance Formula=}\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\\text{Radius=}\sqrt{(2-(-4))^2+(2-(-6))^2} \\=\sqrt{(2+4))^2+(2+6)^2}\\=\sqrt{6^2+8^2}\\=\sqrt{100}\\Radius=10$

Step 2: Determine the equation

The general form of the equation of a circle passing through point (h,k) with a radius of r is given as: $(x-h)^2+(y-k)^2=r^2$

Centre,(h,k)=P(-4,-6)

r=10

Therefore, the equation of the circle is:

$(x-(-4))^2+(y-(-6))^2=10^2\\\\(x+4)^2+(y+6)^2=100$

3 0

3 years ago

Find the equation in slope-intercept form (10,4) that is perpendicular to y=5x-3

TEA [102]

Perpendicular equation: y=-1/5x + 6

7 0

3 years ago

Which pattern was created using only the translation of pentagon A?

Makovka662 [10]

Translation means only sliding it around, no rotation is allowed. So it’s the first one.

8 0

2 years ago

How many minutes are in 3 hours and 10 minutes

mamaluj [8]

190 min.................................

6 0

3 years ago

Read 2 more answers

Tickets for seniors prom cost $25 for individual tickets and $40 for couples tickets. They collected a total of 2500 from ticket

quester [9]

Answer: 20

Step-by-step explanation:

Given

The cost of an individual ticket is $25

The cost of a couple's ticket is $40

The total sale is $2500

total ticket sold is 70

Suppose there are x individuals and y couples

$\therefore x+y=70\quad \ldots(i)\\\\25x+40y=2500\quad \ldots(ii)\\\text{Solving }(i)\ \text{and}\ (ii)\ \text{we get}$

$x=20,y=50$

So, they sold 20 tickets of the individual.

8 0

3 years ago