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3 years ago

Z is the intersection of the triangles ______

Mathematics

2 answers:

Alja [10]3 years ago

7 0

Answer:

Circumcenter of a triangle is formed by joining the perpendicular bisectors of three sides of triangle.

As we draw perpendicular bisectors of three sides, they will intersect at one point(say O) which lies inside the circle.

From that point of intersection, draw a circle touching each of the vertex of a triangle and we get a circumcircle. And O becomes centre of the circle.

Hence, circumcenter lies inside the triangle.

Montano1993 [528]3 years ago

5 0

I don’t understand this

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Find the distance between the points E(9,0) and F(0,-10) to the nearest tenth.

kobusy [5.1K]

Answer:

$d \approx 13.5$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra II

Distance Formula: $d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point E (9,0)

Point F (0, -10)

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d.

Substitute [DF]: $d = \sqrt{(0-9)^2+(-10-0)^2}$
Subtract: $d = \sqrt{(-9)^2+(-10)^2}$
Exponents: $d = \sqrt{81+100}$
Add: $d = \sqrt{181}$
Evaluate: $d = 13.4536$
Round: $d \approx 13.5$

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3 years ago

Find an explicit rule for the nth term of the sequence. 9, 36, 144, 576, ...

Sphinxa [80]

Something like (n4)
N representing the number before. For example, if n=9 then (9*4)=36.
Hope it makes since for you. I know there might be more to it, but that's what I know off the top of my head.

7 0

4 years ago

Read 2 more answers

What is y=4/5x-7 in point slope form

san4es73 [151]

Answer:

y - 7 = m (x- 0)

Step-by-step explanation:

Slope intercept form is y = mx + b. B is the y intercept, which gives us a point: (0, 7) that we can use in point slope form. M is the slope, 4/5. Now we have all the pieces for point slope form:

y - y1 = m (x - x1)

Now plug in the info!

y - 7 = m (x- 0)

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3 years ago

A swimming pool containing 2000l of water is 1/16 full. How many litres of water is required to make the pool half full

liq [111]

Answer: 16,000 litres

Step-by-step explanation:

1/16 of the pool is 2000l

8/16 full is 1/2 of the pool full

1/16 = 2000

8/16 = x

Cross multiply

1/16x = 2000 × 8/16

1/16x = 1000

Multiply both sides by 16

x = 16000

To make the pool half full, 16,000 litres is required.

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3 years ago

A train traveling 200 miles per hour for 1 1/2 hours covers the same distance as one traveling at 75 miles per hour for how many

Natalija [7]

Answer:

Step-by-step explanation:

200 * 1 1/2 = 300 miles traveled

300/75 = 4 hours

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3 years ago