3 years ago

Find coordinates of point P along directed line segment AB, from A (8,0) to B (3,-2), so that the ratio of AP to PB is 1 to 4

Mathematics

1 answer:

vovikov84 [41]3 years ago

3 0

Answer:

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Help meee pleasee:)))

Crazy boy [7]

7+z / 2

z = 10

replace the value of z

7 +10 /2

use order of operations ( division comes before addition)

7+5 = 12

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3 years ago

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What percent of 20 is 10

Soloha48 [4]

Answer:

50%

Step-by-step explanation:

cause 50% is 1/2 and 1/2 of 20 is 10

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3 years ago

Descubra a lei ou regra da função do tipo f(x) = ax + bx + c no gráfico

Sholpan [36]

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3 years ago

Answer: Alex is making a clock to give to his grandfather. To make the clock, he saws a slice of wood from a cylindrical log. Wh

ss7ja [257]

It would be circular since it was cut from a cylindrical log.

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3 years ago

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(b) If a series follows geometric progression, show that the ratio of the sum of term to the sum from (n+1) term to (2n) term is

Nadusha1986 [10]

Proof with explanation:

We know that the sum of first 'n' terms of a Geometric progression is given by

$S_{n}=\frac{a(1-r^{n})}{1-r}$

where

a = first term of G.P

r is the common ratio

'n' is the number of terms

Thus the sum of 'n' terms is

$S_{n}=\frac{a(1-r^{n})}{1-r}$

Now the sum of first '2n' terms is

$S_{2n}=\frac{a(1-r^{2n})}{1-r}$

Now the sum of terms from $(n+1)^{th}$ to $(2n)^{th}$ term is $S_{2n}-S_{n}$

Thus the ratio becomes

$\frac{S_{n}}{S_{2n}-S_{n}}\\\\=\frac{\frac{a(1-r^{n})}{1-r}}{\frac{a(1-r^{2n})}{1-r}-\frac{a(1-r^{n})}{1-r}}\\\\=\frac{1-r^{n}}{r^{n}-r^{2n}}\\\\=\frac{1-r^{n}}{r^{n}(1-r^{n})}\\\\=\frac{1}{r^{n}}$

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3 years ago