4 years ago

Which graph represents the function y - 3 = 3/2 (x-4)

Mathematics

1 answer:

VMariaS [17]4 years ago

5 0

Answer: Should be the graph with the slope of (3/2)

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Loe's walkie-talkie is at 20% when fully charged the battery lasts 12 hours Leo thinks the walkie-talkie will last his entire 3

katen-ka-za [31]

False because it will only last 2.4 hours. 12 x 20% = 2.4. Hope I could help! :)

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3 years ago

Write the sum using summation notation, assuming the suggested pattern continues. 6, -18, 54, -162, +… Is this sequence arithmet

telo118 [61]

Answer:

Hello,

This sequence is geometric with a ratio of -3

the first term is 6

Step-by-step explanation:

$u_1=6\\u_2=-18=6*(-3)=u_1*(-3)\\u_3=54=-18*(-3)=u_2*(-3)=u_1*(-3)^2\\u_4=-162=u_3*(-3)=u_1*(-3)^3\\\\...\\u_{n+1}=u_1*(-3)^n\\\\\displaystyle \sum\limits^\infty _{i=1}u_i = \lim_{n \to \infty} \sum\limits^n _{i=1}u_1*(-3)^{i-1}\\=6*\lim_{n \to \infty} \sum\limits^\infty _{i=1}(-3)^{i-1}\\=6*\frac{1-(-3)^n}{1-(-3)} \\=\dfrac{3}{2} *({1-(-3)^n)\\$

serie does not converge.

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3 years ago

Find the area of the trapeziod 25 ft 20 ft 15 ft

Natalka [10]

The area of the trapeziod is 337.5

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3 years ago

Prove (correctly) that if 1 = -1, then 2=1

Nitella [24]

Answer:

This may not be entirely satisfied proof but you should get the idea.

Proof: Start with 1 = -1.

Then we know that if a= b then a + c = b + c and also a / c = b / c.

So we can add 1 to both sides.

We have 1 + 1 = -1 + 1 ⇒ 2 = 0.

Now divide both sides by 2 and we would have 1 = 0.

Now add both sides by 1. This yields 2 = 1.

Therefore if 1 = -1 then 2 = 1.

QED

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3 years ago

Both physical and social systems can be natural or human-made. true or false

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I’m answering for so false

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