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3 years ago

If end of the base of Isosceles triangle of points are(2,0)&(0,1)and one side x=2 then find orthocentre.

1 answer:

7 0

If O is the orthocenter, O=(xo, yo)
such that xo=(2+0 + 2)/3, so xo= 4/3, so the answer must be

<span>d) (4/3, 7/12)</span>

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Given a right triangle find the measure of all the angles of one angle is a right angle in the measure of the second angle is si

vfiekz [6]

Answer:

12°, 78°, 90°

Step-by-step explanation:

let the third angle be x then the second angle is 7x - 6

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

x + 7x - 6 + 90 = 180, that is

8x + 84 = 180 ( subtract 84 from both sides )

8x = 96 ( divide both sides by 8 )

x = 12

Thus second angle = 12° and third = 7(12) - 6 = 84 - 6 = 78°

The 3 angles are 12°, 78° and 90°

5 0

3 years ago

Read 2 more answers

Simplify 4/7 ÷ [-3/8] . (1 point)

ycow [4]

Answer:

A) -32/21

Step-by-step explanation:

4 0

4 years ago

The Century club runs the concession stand during football games. They sell snacks and drinks. 50 snacks and 180 drinks will sel

katrin2010 [14]

Answer:

The cost of each drink is $1.5

Step-by-step explanation:

Let us represent

The cost of snacks = x

The cost of drinks = y

50 snacks and 180 drinks will sell for $320

Hence:

50x + 180y = 320....... Equation 1

75 snacks and 100 drinks will sell for $225.

Hence:

75x + 100y = 225....... Equation 2

Combining both Equations together

50x + 180y = 320....... Equation 1

75x + 100y = 225....... Equation 2

Multiply Equation 1 by 75 and Equation 2 by 50 to eliminate x

3750x + 13500y = 24000..... Equation 3

3750x + 5000y = 11250....... Equation 4

Subtract Equation 4 from Equation 3

8500y = 12750

y = 12750/8500

y = $1.5

Therefore, the cost of each drink is $1.5

4 0

3 years ago

T/(5/12)=(-3/10)<br> what is t ???

andrew11 [14]

Answer:

t = - $\frac{1}{8}$

Step-by-step explanation:

Given

$\frac{t}{\frac{5}{12} }$ = - $\frac{3}{10}$

Multiply both sides by $\frac{5}{12}$

t = $\frac{5}{12}$ × - $\frac{3}{10}$ ← cancel 5 and 10 by 5 and 3 and 12 by 3, leaving

t = $\frac{1}{4}$ × - $\frac{1}{2}$ = - $\frac{1}{8}$

4 0

4 years ago

Find the Value of X. Help me PLease

Kobotan [32]

Answer:

x = 27

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is number of sides

Here n = 7 , then

sum = 180° × 5 = 900°

sum the interior angles and equate to 900

3x + 31 + 135 + 5x - 4 + 7x - 64 + 120 + 6x - 8 + 4x + 15 = 900 , that is

25x + 225 = 900 ( subtract 225 from both sides )

25x = 675 ( divide both sides by 25 )

x = 27

5 0

3 years ago

Read 2 more answers