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Len [333]
3 years ago
9

"Find the distance between P (1,2) and Q (4.5, 10.75)

Mathematics
1 answer:
lina2011 [118]3 years ago
8 0

Answer:

Step-by-step explanation:

Use distance formula.

(1 , 2)  Q(4.5, 10.75)

Distance = \sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}  \\\\

              = \sqrt{(4.5-1)^{2}+(10.75-2)^{2}}  \\\\\\=\sqrt{(3.5)^{2}+(8.75)^{2}}  \\\\= \sqrt{12.25+76.5625} \\\\= \sqrt{88.8125}\\\\=  9.42 units

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Two sides of a right triangle measure 7 units and 3 units.
stiks02 [169]

Answer:

Step-by-step explanation:

use the Pythagorean theorem to find the length of the third sides.

c²=a²+b²

c²=7²+3²

=49+9

=58

so, c²=√58

area of the square is 58 units

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4 years ago
A 5-foot tree was planted and grew 2 feet each year. Write an algebraic expression for the height of the tree after v years.
Maksim231197 [3]

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2+8+32+128…..,n=9 <br> Evaluate each geometric series described
DedPeter [7]

The value of 2+8+32+128…..,n=9 is 174762

<h3>How to evaluate the series?</h3>

The series is given as:

2+8+32+128…..,n=9

Start by calculating the common ratio (r)

r = 8/2

r = 4

The sum of the series is then calculated as:

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brainly.com/question/7882626

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