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Thepotemich [5.8K]

2 years ago

13

Pls i need this now can you pls answer it with respect plsthank you in advance

1 answer:

Gnoma [55]2 years ago

8 0

Step-by-step explanation:

2 a

3 c

4 b

5 d

6 a

7 d

8 d

9 d

10 d

plz give brillent

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3x+2y=4 <br>8x+5y=9<br><br>Please solve using Cross multiplication method.

ch4aika [34]

Hello, Please refer the photo attachment for your question's answer. The final answer is :-

<u>x= -2, y= 5</u>

Hope it helps you...

Answered by Benjemin

3 0

3 years ago

How many solutions does this system of equations have?

azamat

Answer:

its one solution

Step-by-step explanation:

3 0

3 years ago

Hey guys so I have a math question which is how can you buy 100 items for exactly $1.00. A pencil is 10 cents each an eraser is

iren2701 [21]

Answer:

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Step-by-step explanation:

3 0

3 years ago

ln(y+1)-lny=1+3lnx . Express y in terms of x, in a form not involving logarithms. (4 marks, Maths CIE A level)

Delicious77 [7]

$remember$
$ln(x)=log_e(x)$
$and$
$log_x(a)-log_x(b)= log_x( \frac{a}{b} )$
$and$
$log_a(b)=c$ means $a^c=b$
$and$
$blog(a)=log(a^b)$

$so$

$ln(y+1)-ln(y)=1+3ln(x)$
$ln( \frac{y+1}{y} )=1+ln(x^3)$

$minus$ $ln(x^3)$ $from$ $both$ $sides$

$ln( \frac{y+1}{y}-ln(x^3) )=1$
$ln( \frac{y+1}{yx^3})=1$
$log_e( \frac{y+1}{yx^3})=1$

$translate$

$e^1=\frac{y+1}{yx^3}$
$e=\frac{y+1}{yx^3}$

$times$ $both$ $sides$ $by$ $yx^3$

$eyx^3=y+1$

$minus$ $y$ $from$ $both$ $sides$

$eyx^3-y=1$
$y(ex^3-1)=1$

$divide$ $both$ $sides$ $by$ $(ex³-1)$

$y= \frac{1}{ex^3-1}$

6 0

3 years ago

Read 2 more answers

Write the equation of the line with a slope of 3/4 and a y'-intercept of -7 in Slope-Intercept and Poin Slope Form.

Shtirlitz [24]

Slope intercept form: y = 3/4 x - 7
Point slope form: y + 7 = 3/4 (x+0)

4 0

2 years ago