2 years ago

What should you do first in solving the quadratic equation? x² + 18x + 81 = 25

Mathematics

1 answer:

N76 [4]2 years ago

3 0

Answer:

x= -4,-14

Step-by-step explanation:

Try first to solve the equation by factoring. Be sure that your equation is in standard form before you start your factoring attempt.

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What is (3xy^2)(-6xy^4)

krok68 [10]

Answer:

$-18x^2y^6$

Step-by-step explanation:

we have

$(3xy^2)(-6xy^4)$

Applying property of exponents

$x^{m} x^{n}=x^{m+n}$

$(3xy^2)(-6xy^4)=(3)(-6)(x^{1+1})(y^{2+4})=(-18)(x^{2})(y^{6})=-18x^2y^6$

5 0

3 years ago

Simplify. 42+25 A.21 B.29 C.41 D.51

bearhunter [10]

Im actually pretty sure its C because 4 to the power of 2 is 16 and then add those too up 16+25=41

8 0

3 years ago

A rectangle has a width one less than the length. If the perimeter is 30 units find the width and length

Olegator [25]

Answer:

7 units by 8 units

Step-by-step explanation:

ALL POSSIBLE PERIMETERS:

1x14

2x13

3x12

4x11

5x10

6x9

7x8

5 0

2 years ago

A 90 ° angle is divided into 2 angles. Find the size of the angles. 3x+15 and 2x+25

fenix001 [56]

The two angles are 45 degrees.

Step-by-step explanation:

You are just halfing the 90 degree angle, so all you have to do is divide 90 by two, and you have 45.

3 0

2 years ago

The drawing below is an example of what kind of perspective?

sladkih [1.3K]

Answer:

Two-point

Step-by-step explanation:

"Orthogonal" lines intersect the horizon at two points. This is an example of 2-point perspective.

3 0

3 years ago