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3 years ago

Which of the following inequalities matches the graph? (1 point)

Mathematics

1 answer:

Lilit [14]3 years ago

8 0

Y is less than or equal to 0

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Y varies inversely as x, and y = 50 when x = 10. What is the value ofy when x = 20?<br> 100

Mrrafil [7]

Answer:

Step-by-step explanation:

Since y varies inversely with x, the relation between y and x will be:

$y \propto \frac{1}{x}$

Introducing the proportionality constant, we can write:

$y = \frac{k}{x}$

Using the first set of given values of x and y, we get:

$50=\frac{k}{10}\\\\k = 500$

This means, the relation between y and x is:

$y = \frac{500}{x}$

We have to find y if x = 20. Using this value in above equation, we get:

$y=\frac{500}{20} \\\\ y = 25$

Thus y would be 25 if x is 20.

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3 years ago

What is the measurement of angle f?

ziro4ka [17]

Answer:

∠ f = 33°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin f = $\frac{opposite}{hypotenuse}$ = $\frac{36}{66}$ , thus

∠ f = $sin^{-1}$ ( $\frac{36}{66}$ ) = 33° ( to the nearest degree )

6 0

3 years ago

Read 2 more answers

17/18 -3/7= need answer please

Umnica [9.8K]

$\dfrac{17}{18}-\dfrac{3}{7}=\\
\dfrac{119}{126}-\dfrac{54}{126}=\\
\dfrac{65}{126}
$

4 0

3 years ago

Melinda uses 3 cups of salt for every 5 cups of flour to make modeling clay. How much flour will she use when she uses 30 cups o

Lemur [1.5K]

Answer:

she will use 7 cups

Step-by-step explanation:

7 0

4 years ago

Read 2 more answers

In the expression "4f + s", the letter "s" is: *

Sever21 [200]

Answer:

Step-by-step explanation:

A variable

7 0

3 years ago