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3 years ago

11

Solve the following equation by factoring. 5x103+32x73−64x43=0

1 answer:

Karo-lina-s [1.5K]3 years ago

6 0

Answer:

its false

Step-by-step explanation:

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Solve the system of equation below using any method.<br> 3x-2y=30<br> 2x+3y=-19

Andrews [41]

{ 3 x - 2 y = 30   * ( 2 )
2 x + 3y = - 19 * ( -3 )

↓

  6 x - 4 y = 60
- 6x - 9 y = 57
______________
-13 y = 117

y = 117 / - 13

y = - 9

For x :

3 x - 2y = 30

3 x - 2 ( -9) = 30

3 x + 18 = 30

3 x = 30 - 18

3 x = 12

x = 12 / 3

x = 4

x = 4 and y = -9

hope this helps!

5 0

3 years ago

HELP!!!!! You will receive Branliest! Solve the proof using the identities. Make sure to only solve the left side, leave the rig

WINSTONCH [101]

Answer:

<em>Proven</em>

Step-by-step explanation:

The given identity is

$\frac{1-sin^2\beta }{cos^2\beta -1}=-cot^2\beta$

We use the fundamental trigonometric relationship

$sin^2x+cos^2x=1$

Or equivalently

$sin^2x=1-cos^2x$

$cos^2x=1-sin^2x$

Using them in the left hand side

$\frac{1-sin^2\beta }{cos^2\beta -1}=\frac{cos^2\beta }{-sin^2\beta}=-\left ( \frac{cos\beta }{sin\beta} \right )^2=-cot^2\beta$

Hence proven

8 0

4 years ago

Is this correct or it needs any fixing

BaLLatris [955]

That is correct. The graph is perfect and you did b correctly

6 0

3 years ago

If (x - 2)² = 49 , then x could be?

JulsSmile [24]

$(x-2)^2=49\iff x-2=\sqrt{49}\ or\ x-2=-\sqrt{49}\\\\x-2=7\ or\ x-2=-7\\\\x=7+2\ or\ x=-7+2\\\\x=9\ or\ x=-5\\\\Answer:x\in\{-5;\ 9\}$

4 0

3 years ago

Read 2 more answers

PLEASE HELP! From the image above,

lukranit [14]

Answer:

Step-by-step explanation:

a) What point would be the Center of the circle C (above)? C

b) What line segment would be the Radius? BC

c) What line segment would be the Diameter? AD

d) What line Color is representing the Circumference? Dark Blue/Black?

e) What number represents the ratio of Circumference/Diameter? π

f) if the radius is 5 meters, what is the distance of the circumference?

5π ≈ 15.707... m

8 0

3 years ago