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NeTakaya
3 years ago
12

Which relations are functions ​

Mathematics
1 answer:
likoan [24]3 years ago
4 0

The first, third, and fourth choices are functions. A relation is a function when x does not repeat. For the second choice, -4 repeats. Therefore, it is not a function. The other choices do not repeat an x-coordinate, so they are correct.

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If a special sauce in a hamburger restaurant is made with a 1:1 ratio by volume of ketchup to mayonnaise, how much mayonnaise is
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4 quart of mayonnaise

Step-by-step explanation:

Step 1: The special sauce made with 1:1 ratio of ketchup to mayonnaise.

It means 1 quart of ketchup to 1 quart of mayonnaise.

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They need 4 quart of ketchup and 4 quart of mayonnaise.

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Step-by-step explanation:

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The clutch linkage on a vehicle has an overall advantage of 24:1. If the pressure plate applies a force of 504lb,how much force
Anon25 [30]

Answer:

the force that must be applied by the driver to release the clutch is 21 lb

Step-by-step explanation:

Data provided:

clutch linkage on a vehicle has an overall advantage = 24:1

Applied force by the pressure plate = 504 lb

Now,

the advantage ratio is given as:

advantage ratio = \frac{\textup{Force applied by the pressure plate}}{\textup{Force applied by the driver}}

on substituting the respective values, we get

\frac{\textup{24}}{\textup{1}}  = \frac{\textup{504 lb}}{\textup{Force applied by the driver}}

or

Force applied by the driver to release the clutch = \frac{\textup{504 lb}}{\textup24}}

or

Force applied by the driver to release the clutch = 21 lb

Hence,

the force that must be applied by the driver to release the clutch is 21 lb

6 0
3 years ago
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