3 years ago

Find c. C 6. 8 C = Please help

Mathematics

1 answer:

nataly862011 [7]3 years ago

3 0

Answer:

Step-by-step explanation:

We can use the Pythagorean theorem since this is a right triangle

a^2 + b^2 = c^2

8^2 + 6^2 = c^2

64+36 = c^2

100 = c^2

Take the square root of each side

sqrt(100) = sqrt(c^2)

10 = c

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Create a proportion using the form %/100 = is/of to represent the following word problem. 15 is 1 1/2% of what number?

Tema [17]

Let the required number be x, then to create a proportion using the form
$\frac{\%}{100} = \frac{is}{of}$

Thus, let 15 be $1 \frac{1}{2} \%$ of x, then
$\frac{1 \frac{1}{2}}{100} = \frac{15}{x} \\ \\ \frac{ \frac{3}{2} }{100} =\frac{15}{x} \\ \\ \frac{3}{2}x=1,500 \\ \\ x= \frac{1,500\times2}{3} =1,000$

Therefore, 15 is <span> $1 \frac{1}{2} \%$ of</span> 1,000

5 0

3 years ago

consider the distance equation d=rt, where d is the distance (in feet), r is the rate (in feet per second), and t is the time (i

vesna_86 [32]

Answer:

yes, they are proportional

Step-by-step explanation:

A proportion is a relation that can be modeled by a straight line through the origin. The equation will have the form ...

y = kx

where x is the independent variable, y is the dependent variable, and k is a constant of proportionality.

If you start with the equation relating distance, rate, and time:

d = rt

and you fix the time at 50 seconds, then the equation becomes ...

d = 50t

This is the equation of a proportion with a constant of proportionality of 50. It tells you the distance run is proportional to the rate you run. When this equation is graphed, it is a straight line through the origin.