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3 years ago

If A, B, and C are collinear, and AB = 18, AC = 41, what is a possible measure of BC?

Mathematics

2 answers:

ikadub [295]3 years ago

8 0

Step-by-step explanation:

As ANC are collinear,

AB+BC=AC

so,

18+BC = 41

BC = 41-18

BC = 23 is the answer.

kozerog [31]3 years ago

5 0

Answer:

Step-by-step explanation: since the total of AC is 41 and we know that AB is 18, we would subtract 18 from 41 to get the answer

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Find the radius of a circle with an area of 615.75 square kilometers.

Mila [183]

To work out radius use this

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3 years ago

Find the value of x.<br> 69°<br> (2x-1)°

inysia [295]

Answer:

x = 11

Step-by-step explanation:

69° + (2x - 1)° = 90° (complementary angles)

69 + 2x + 1 = 90

Add like terms

69 - 1 + 2x = 90

68 + 2x = 90

Subtract 68 from each side

68 + 2x - 68 = 90 - 68

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3 years ago

The line 5y−6x−10=0 is given. Write the equation in slope-intercept form.

alexandr402 [8]

Answer:

y = 6/5x +2

Step-by-step explanation:

Slope intercept form is

y = mx+b where m is the slope and b is the y intercept

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5y−6x−10+10=0+10

5y -6x = 10

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5y-6x+6x=6x+10

5y = 6x+10

Divide each side by 5

5y/5 = 6x/5 +10/5

y = 6/5x +2

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5 0

3 years ago

Read 2 more answers

Ayuda el tema en concreto es "Métodos de solución de ecuaciones simultáneas"

Mumz [18]

Answer:

Step-by-step explanation:

a) Metodo de reduccion:

Para aplicar este metodo debemos multiplcar por 3 la ecuacion 2 y sumarlas.

$4x-3y=6$

$5x+y=17$ *3

$4x-3y=6$

$15x+3y=51$

-------sumamos las ecuacioens--------

$19x=57$

$x=3$

Ahora, remplazamos x en la ecuacion 2.

$5(3)+y=17$

$y=2$

b) Igualacion

Debemos despejar x en ambas y luego igualarlas

$x=\frac{6+3y}{4}$

$x=\frac{17-y}{5}$

Igualando:

$\frac{6+3y}{4}=\frac{17-y}{5}$

$5(6+3y)=4(17-y)$

$19y=8$

$y=2$

Ahora, remplazamos y en la ecuacion 2.

$5x+2=17$

$5x=15$

$x=3$

c) Sustitucion

Despejamos x de la primero ecuacion y lo remplazamos en dos.

$x=\frac{6+3y}{4}$

$5\frac{(6+3y)}{4}+y=17$

Multiplicamos por 4

$5(6+3y)+4y=68$

$30+15y+4y=68$

$30+19y=68$

$19y=38$

$y=2$

Remplazando en 1.

$4x-3(2)=6$

$4x-6=6$

$4x=12$

$x=3$

5 0

2 years ago

Please help i’ll give brainliest thanks

sertanlavr [38]

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2 years ago