3 years ago

The graphs of y=4x and y=4•

Mathematics

1 answer:

katrin [286]3 years ago

4 0

Answer:

y=4x is a line with slope=4 and pass through (0,0)

y=4 is a line parallel to the x-axis and pass through the (0,4)

Step-by-step explanation:

y=4x is a line with slope=4 and pass through (0,0)

y=4 is a line parallel to the x-axis and pass through the (0,4)

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2/3 ÷ 1/7 what is the answer to this problem that I am attempting to solve

EleoNora [17]

Make both the fractions have the same denominator. 2/3 is equivalent to 14/21.

1/7 is equal to 3/21

14/21-3/21 = 11/21

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2 years ago

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An acute angle θ is in a right triangle with sin θ = seven eighths. What is the value of cot θ?

olga2289 [7]

Draw a right triangle ABC, with m(CAB)=∅.

Let CB=7 units, AC=8 units, so by the Pythagorean theorem:

$AB= \sqrt{ AC^{2} - BC^{2} }= \sqrt{ 8^{2} - 7^{2} }= \sqrt{64-49} = \sqrt{15}$ (units)

so we have drawn a triangle where sin∅=7/8

in this triangle, cot∅=(adjacent side)/(opposite side)= $\frac{ \sqrt{15} }{7}$

Answer: square root of fifteen divided by seven