2 years ago

What is the slope of the line that passes

Mathematics

1 answer:

Marysya12 [62]2 years ago

4 0

Answer:

Step-by-step explanation:

Slope = (Difference of y-coordinates)/(difference of x-coordinates)

= (-4 - 2)/(-1 - 3)

= (-6)/(-4)

= 3/2

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Can someone help me with this

CaHeK987 [17]

Answer:

19 m

Step-by-step explanation:

This is Geometric progression with

$\left \{ {{u_1=1,\: u_2 =2} \atop {u_n=2^{n-1}u_1} \right.$

Then the fomular of sum is

$S=u_1\frac{2^n-1}{2-1} =1\times(2^n-1)=2^n-1\\To\: save\: 1 \:million\: then \; our \:sum \: will \: be\: 1000000\\Hence,\\2^n-1=1000000\\2^n=1000001\\n=log_{2}{1000001}\approx19,9\\Thus, it\:would \;be \:19 \:months \:before\: we\: saved \:1000000 \:pounds$