3 years ago

Can someone help please

Mathematics

1 answer:

Darya [45]3 years ago

7 0

Slope : 3

y - intercept : -2

Equation : y = -3x-2

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512=-4(-2)^n-1 find n in geometric sequence

pshichka [43]

Answer:

n = 8

Step-by-step explanation:

512/-4 = -128

-2^? equals -128? Has to be odd since it's negative

-2^1 = -2

-2^3 = -8

-2^5 = -32

But it's -2^n-1 = -128 so you have to add 1

7+1 = 8

So n=8

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2 years ago

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The value of (-8/13×26/-3)

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Answer:

Step-by-step explanation:

Given the expression -8/13×26/-3, getting the equivalent expression means multiplying the two fractions -8/13 and 26/-3 together as shown;

$\frac{-8}{13} * \frac{26}{-3}\\ \\= \frac{-8*26}{13*-3}\\ \\multiplying\ out \ the\ numerator\ and\ denominator;\\\\= \frac{-208}{-39} \\\\cancelling out the negative sign we will have;\\\\= \frac{208}{39}\\\\= 5.33\\The\ resulting\ value\ is\ 5.33$

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3 years ago

Can I get some help here.

algol [13]

Y intercept shows the number of chromebooks

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3 years ago

How it came to this

ryzh [129]

You were really close :D
The mistake you made is that 44 - 36 is 8, not 6.
Using 8 instead, the answer is:
$3~\frac{8}{12}=3~\frac{3}{4},~or~3.75$

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2 years ago