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2 years ago

What’s the correct answer for this?

Mathematics

2 answers:

Anna [14]2 years ago

3 0

Same slopes, different constant, so parallel lines.

Answer: ... parallel because their slopes are equal. Last choice.

soldi70 [24.7K]2 years ago

3 0

Answer:

Step-by-step explanation:

Yes, lines l and k are parallel since they are having equal slopes

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PLZ HELP WITH THIS QUESTION!

Bad White [126]

Answer:

Step-by-step explanation:

Given the quadratic

d = - 16t² + 12t ← subtract d from both sides

- 16t² + 12t - d = 0 ← in standard form

with a = - 16, b = 12, c = - d

Use the quadratic formula to solve for t

t = ( - 12 ± $\sqrt{12^2-(4(-16)(-d))}$ ) / - 32

= ( - 12 ± $\sqrt{144-64d}$ ) / - 32

= ( - 12 ± $\sqrt{16(9-4d)}$ ) / - 32

= ( - 12 ± 4 $\sqrt{9-4d}$ ) / - 32

= $\frac{-12}{-32}$ ± $\frac{4}{-32}$ $\sqrt{9-4d}$

= $\frac{3}{8}$ ± $\frac{1}{8}$ $\sqrt{9-4d}$

= $\frac{3}{8}$ ± $\frac{\sqrt{9-4d} }{8}$ → D

8 0

2 years ago

Simplify completely 25 w to the sixth power over 10 w to the third power divided by 30 w squared over 5 w.

malfutka [58]

$\cfrac{25w^6}{10w^3}: \cfrac{30w^2}{5w}= \cfrac{5w^3}{2}* \cfrac{5w}{30w^2}= \cfrac{w}{2}* \cfrac{5w}{6}= \cfrac{5w^2}{12}$

4 0

2 years ago

Read 2 more answers

Another wooden plank is leaning against an outside wall of a building. The bottom of the plank is 9 ft from the wall. The length

Vladimir [108]

Given:
bottom of the plank or ground is 9 feet from the wall
length of the plant is 41 ft
height of the wall is unknown.

Let us use the Pythagorean theorem.

a² + b² = c²
a² + (9ft)² = (41ft)²
a² + 81 ft² = 1,681 ft²
a² = 1,681 ft² - 81 ft²
a² = 1,600 ft²
√a² = √1,600 ft²
a = 40 ft

The height of the wall is 40 ft.

3 0

2 years ago

Help<br> Please thanks!!!!

expeople1 [14]

6 i believe but im not sure

5 0

2 years ago

Triangle XYZ was dilated by a scale factor of 2 to create triangle ACB and cos ∠X = 2.5 over 5 and 59 hundredths. Triangles XYZ

adell [148]

Dilation involves changing the size of a shape

<h3>How to determine the relationship between the trigonometry ratios</h3>

From the question, we understand that:

The dilation of triangle XYZ gives triangle ACB

This means that, the following are corresponding points

Points X and A
Points Y and C
Points Z and B

The above means that:

The relationships between the trigonometry ratios of both triangles are:

cos(X) = cos(A), cos(Y) = cos(C) and cos(Z) = cos(B)

<h3>How to determine the measures of segments AC and AB</h3>

In (a), segments XY and XZ corresponds to the segments AC and AB

So, the product of the lengths of XY and XZ and the scale factor will result in the lengths of AC and AB,

i.e.

AC = 2 * XY and AB = 2 * XZ