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3 years ago

13

Which is a counterexample for conditional statement shown? If two distinct points are graphed on a coordinate plane, then the li

ne connecting the points can be represented with a function

1 answer:

Ilya [14]3 years ago

8 0

Answer:

It's A: The points have the same x-coordinate value.

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Lorenzo recorded the favorite food of the students in the class according to the results of the survey what percent of the stude

Darina [25.2K]

Answer:

40 %

Step-by-step explanation:

2 divided by 30 and you get .4 which is the same as 40%

Hope this helps :)

4 0

4 years ago

What has she done wrong?

Strike441 [17]

Answer:

see explanation

Step-by-step explanation:

Her error is in squaring (2y)²

She has (2y)² = 2y²

when it should be 2y × 2y = 4y²

Then

(2y)² = 6² + 8²

4y² = 36 + 64

4y² = 100 ( divide both sides by 4 )

y² = 25 ( take square root of both sides )

y = $\sqrt{25}$ = 5

8 0

3 years ago

Any suggestions or answers

Sati [7]

Answer:

$x=81\degree$

$y=99\degree$

$z=129\degree$

Step-by-step explanation:

The sum of the interior angles of a triangle is 180 degrees.

$\implies 51\degree+48\degree+x=180\degree$

$\implies 99\degree+x=180\degree$

$\implies x=180\degree-99\degree$

$\implies x=81\degree$

Use the exterior angles theorem to find y.

The exterior angle y is the sum of the two remote interior angles:

$y=51\degree+48\degree=99\degree$

The sum of angles on a straight line is 180 degrees.

$\implies z+51\degree=180\degree$

$\implies z=180\degree-51\degree$

$\implies z=129\degree$

7 0

4 years ago

I need help please and thank you

Rom4ik [11]

Answer:

144°

Step-by-step explanation:

Hope this helps :)

8 0

3 years ago

Find all solutions in the interval [0, 2π) for 2 sin^2 x = sin x

Ede4ka [16]

Answer:

D

Step-by-step explanation:

2 sin²x=sin x

2 sin² x-sin x=0

sin x(2 sin x-1)=0

sin x=0

x=0,π

2 sin x-1=0

2 sin x=1

sin x=1/2= sin π/6,sin (π-π/6)

x=π/6,5π/6

4 0

3 years ago