3 years ago

Guys honestly is Joe cool because I think he is.

Mathematics

2 answers:

Sindrei [870]3 years ago

8 0

Yesss he’s awesomeeeee

natita [175]3 years ago

5 0

Guys, honestly, is Joe cool? I’m asking because I think he is.

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Is (-2, 6) a solution to this system of linear equations? (HINT: Substitute x

Serggg [28]

Answer:

1st Equation: -8x + y = 22

At (-2,6)

(-8*-2)+ 6 =16+6= 22: That is correct

2nd Equation: -8x - y =10

At (-2,6)

(-8*-2)-6= 16-6= 10: That is correct

Both are correct.

Hope it helps you.

5 0

3 years ago

solve systems of equation. equation number 1: 9 x squared + 4 y squared equals 144. equation 2: x squared plus y squared equals

grigory [225]

$9x^{2} + 4y^{2} =144$
$x^{2} + y^{2}=24$

$9x^{2} + 4y^{2} =144$
$4x^{2} + 4y^{2}=96$
by the difference
5 $x^{2}$ =48
so x= $\sqrt{\frac{48}{5}}$ or x=- $\sqrt{\frac{48}{5}}$
and $y^{2}$ =24- $\frac{48}{5}$
then y= $\sqrt{\frac{72}{5}}$ or - $\sqrt{\frac{48}{5}}$

5 0

3 years ago

PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS!

Free_Kalibri [48]

Answer:

12.5cm

Step-by-step explanation:

the figure appears to be a circle centered around point B, wherein segment CB is a radiai and segment DF is a diameter.

radiai(radius plural) are known to be 1/2 the length of diameters

(1/2) × 25 = 12.5

8 0

2 years ago