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2 years ago

First correct answer gets brainleist pls help asap

Mathematics

2 answers:

V125BC [204]2 years ago

6 0

Answer:

21 m^2

Step-by-step explanation:

0.5 x 14 x 3

hope this helps

have a good day

AlexFokin [52]2 years ago

3 0

Answer:

The answer is 21 m^2

cmiller did it first so giver her brainlliest if you were going to do it to me.

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What is the explicit formula for this sequence?

ddd [48]

Answer:

$a_n=-7+4(n-1)$

$a_n=-7+(n-1)(4)$

Step-by-step explanation:

-7,-3,1,5,... is a arithmetic sequence.

Arithmetic sequences have a common difference. That is, it is going up by 4 each time.

When you see arithmetic sequence, you should think linear equation.

The point-slope form of a line is $y-y_1=m(x-x_1)$ .

m is the common difference, the slope.

Any they are using the point at x=1 in the point slope form. So they are using (1,-7).

So let's put this into our point-slope form:

$y-(-7)=4(x-1)$

$y+7=4(x-1)$

Subtract 7 on both sides:

$y=-7+4(x-1)$

So your answer is

$a_n=-7+4(n-1)$

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3 years ago

ILL MARK AS BRAINLIST IF U GET IT RIGHT it’s khan

Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

given that x and y are proportional, they can be expressed as y = rx, where r is the proportionality constant. Thus, we can solve for r by doing y/x in any given point.

$\frac{8}{1.6} = \frac{15}{3} = \frac{22}{4.4} = 5$

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3 years ago

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First correct answer gets brainleist pls help asap​

First correct answer gets brainleist pls help asap