2 years ago

Are Which pair of angles angles? corresponding

Mathematics

1 answer:

-BARSIC- [3]2 years ago

4 0

Answer:

D. <3 and <7

Step-by-step explanation:

Corresponding angles are angles that are on matching sides and that are cut by a transversal.

Hope this helps!

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In two or three sentences explain how you would solve for the real solutions of the following equation: please help asap!!

g100num [7]

the real solutions for the equation $x^{3}=-64$ are -

$x=4,2+-2\sqrt{3i}$

Step-by-step explanation:

$x^{3}$ = $- 64$

$x^{3} +64$ = 0

We can write 64 as $4^{3}$

$x^{3}$ + $4^{3}$ = 0

using the identity ( $x^{3}+y^{3} = (x+y)(x^{2} -xy+y^{2} )$ )

we get,

= $(x+4) (x^{2} -x*4+4^{2} )$

= $(x+4)(x^{2} -4x+16)$ ....................(1)

solving the quadratic equation ,

$x^{2} -4x+16$ =0

solutions of this quadratic equation can be obtained by

$x=-b +- \sqrt{b^{2}-4ac } /2a$

let use y for factors

$x=-(-4x)+-\sqrt{(-4x^{2} )-4*x^{2} *16} / 2*x^{2}$

$x=4x+-\sqrt{16x^{2} -64x^{2} } /2x^{2}$

$x=4+-\sqrt{16-64}/2$

$x=4+-4\sqrt{3i} /2$

$x=2+-2\sqrt{3i}$ ..................(2)

from the equation 1 we have,

$x-4=0$

which gives solution $x=4$

and from equation 2 we got $x=2+-2\sqrt{3i}$

so the real solutions for the equation $x^{3}=-64$ are -

$x=4,2+-2\sqrt{3i}$

3 0

2 years ago

Solve for x: −2(x + 3) = −2(x + 1) − 4. 2 3 All real numbers No solution

Viktor [21]

Answer: All real numbers

Step-by-step explanation:

−2(x + 3) = −2(x + 1) − 4

-2x -6 = -2x -2 -4

-2x -6 = -2x -6

-2x = -2x

4 0

2 years ago

Read 2 more answers

Y=2x-3 (-5,3) for geometry

Doss [256]

Y=2x+159 that's the answer .

8 0

3 years ago

Alicia already spent $8.25 of her paycheck. If this was 15% of her paycheck, how much was she paid?

faust18 [17]

Answer:

She was paid $55.

Step-by-step explanation:

15%=0.15

8.25/0.15=55

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2 years ago

Select the domain and range Will give 100 points

8090 [49]

The domain is (-3,0) U (2,4)
The range is (-2,-1) U (1,2)

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2 years ago