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2 years ago

Hat is the slope of a line perpendicular to y = -4x - 1

Mathematics

1 answer:

kobusy [5.1K]2 years ago

4 0

Answer:

The slope of the perpendicular line would be 1/4.

Step-by-step explanation:

All perpendicular lines have opposite and reciprocal slopes. This means we take the current slope, change the sign and flip it.

-4 -----> change the sign

4 ------> Flip it

1/4 = slope

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Find the surface area and volume of a sphere with a radius r = 0.8 ft. Round your answer to the nearest tenth. A. 7.8 ft2; 2.6 f

fiasKO [112]

Surface area of a sphere = 4πr²

Surface area of the sphere = 4π(0.8)² = 8.0 ft²

Volume of a sphere = 4/3 πr³

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Answer: Surface area = 8.0 ft² and volume - 2.1 ft³ (Answer C)

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2 years ago

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3 years ago

How do you simplify 4^-2h^-4j^3

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3 years ago

two horizontal lines are cut by a transversal. what is the least number of angle measures you need to know in order to find the

jeka94

Answer: The answer is only one angle. Explained.

Step-by-step explanation: As given in the question and shown in the attached figure, the lines horizontal lines 'p' and 'q' are cut by the transversal 'r'. We need to determine the least number of angles among the eight angles mentioned in the figure to find the measure of all the angles.

Suppose, the measure of ∠1 is given as x°.

So, ∠2 = 180° - x (linear pair of angles),

∠3 = x (=∠1, vertically opposite angles),

∠4 = 180° - x (=∠2, verticaly opposite angles),

∠1 = ∠5, ∠2 = ∠6, ∠3 = ∠7, ∠4 = ∠8. These are pairs of correspomding angles.

Thus, we need the measure of only one angle to find the measure of all the angles.

Hence explained.

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2 years ago