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3 years ago

Directions: Given triangle ABC where A(3,4), B(8,4) and C(8,9), graph and

Mathematics

1 answer:

lesya692 [45]3 years ago

3 0

Answer:

im sorry i dont know

Step-by-step explanation:

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Sistema de ecuaciones.5x+2y=-152x-2y=-6

Zolol [24]

Tnemos el sisema de ecuaciones:

$\begin{gathered} 5x+2y=-15 \\ 2x-2y=-6 \end{gathered}$

Podemos resolverlo por eliminación sumando ambas ecuaciones y eliminando y. Asi podemos resolver para x:

$\begin{gathered} (5x+2y)+(2x-2y)=(-15)+(-6) \\ 7x+0y=-21 \\ x=-\frac{21}{7} \\ x=-3 \end{gathered}$

Ahora podemos resolver para y con cualquiera de las dos ecuaciones:

$\begin{gathered} 2x-2y=-6 \\ 2\cdot(-3)-2y=-6 \\ -6-2y=-6 \\ -2y=-6+6 \\ -2y=0 \\ y=0 \end{gathered}$

Respuesta: x=-3, y=0

7 0

1 year ago

Choose one <br> Help me please

AfilCa [17]

Answer:

Step-by-step explanation:

Smallest to Largest

Natural numbers

Whole numbers

Integers

Rational numbers

4 0

2 years ago

An object is launched from a platform.

Bess [88]

Answer:

60 feet

Step-by-step explanation:

The height, h (in meters), of the object launched from a platform is represented by the equation

$h=h(x)=-5x^2+20x+60$

where x is the time (in seconds) passed after the launch.

The time of launch is $x=0$ (0 seconds passed after the launch)

Substitute $x=0$ to find the height:

$h=h(0)=-5\cdot 0^2+20\cdot 0+60=60\ feet$

4 0

3 years ago

Eric jogged 31/4 miles on monday 5 5/8 miles on tuesday and 8 miles on wensday .suppose he continues the pattern for the remaind

Troyanec [42]

The is increasing by 2 3/8
So the answer is 12 3/4 miles on Friday

Hope this helps :)

3 0

3 years ago

Which expressions are equivalent to x7? There may be more than one correct answer. Select all that apply. (x21)1/3 x^15/x^8 x^21

Viktor [21]

Answer:

x^15/x^8 = x^7

x^3⋅x^4 = x^7

(x^21)1/3 = x^7

Step-by-step explanation:

7 0

3 years ago