4 years ago

Please help! Solve for y. 2x+5y=4 Solve for t. A=p+prt

Mathematics

1 answer:

Elan Coil [88]4 years ago

4 0

1. y=(4-2x)/5
2. t=(A-p)/pr
OR
t=A/pr - 1/r

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Is the relation in this set of points a function

natita [175]

It is not a function—an element from the domain is paired with more than one element from the range. Specifically, the input value of 4 corresponds to two output values: 5 and -4.

A function can only take on one output for each input. It only takes one input value to associate with more than one output value to be invalid as a function.

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3 years ago

A building casts a shadow that is 50 feet in length. If the distance from the end of the shadow to the top of the building is 25

lozanna [386]

Answer:

The height of the building is of 244.95 feet.

Step-by-step explanation:

We use the Pythagorean Theorem to solve this question.

We have that:

The shadow of 50 feet is one side of the right triangle, while the height h is other side.

The hypotenuse is the distance from the end of the shadow to the top of the building, which is 250 feet.

$50^2 + h^2 = 250^2$