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Elena L [17]
3 years ago
7

Write an equation of a line that is perpendicular to 4x +2y = 8

Mathematics
1 answer:
Mashcka [7]3 years ago
7 0

Answer:

Step-by-step explanation:

2y = -4x + 8

y = -2x + 4

perp. 1/2

y - 2 = 1/2(x - 6)

y - 2 = 1/2x - 3

y = 1/2x - 1

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An airplane flew for 8 hours at an airspeed of x miles per hour (mph), and for 7 more hours at 325 mph. If the average airspeed
Thepotemich [5.8K]
E. 8x+7(325)=15(325)

It would include the 8 hrs. of x miles per hour and the 7 hrs. of 325 miles per hour, giving the total miles. Then, as you eliminate, you can find out what (x) is.
4 0
3 years ago
The sum of the first k terms in the sequence is 118096, find the value of k. The first term is 78732 the common ratio is 1/3.
FrozenT [24]

Answer:

k = 10

Step-by-step explanation:

The sum of k terms of a geometric sequence with first term a1 and common ratio r is given by ...

... Sk = a1·(1 -r^k)/(1 -r)

For the given numbers, this is ...

... 118096 = 78732·(1 -(1/3)^k)/(1 -1/3)

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... 1 -(2/3)(118096/78732) = (1/3)^k

... 1/59049 = (1/3)^k

Taking logarithms, we get

... -log(59049) = -k·log(3)

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8 0
3 years ago
What fraction and decimal forms match the long division problems? <br> plz help its for a test!
Gnom [1K]
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7 0
3 years ago
List these from least to greatest π2, 12, √80
Evgesh-ka [11]

Answer:

π2,√80,12

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Hope I could help!

5 0
3 years ago
PLS HELP ME ASAP!!!!!!!!! ill give thanks, and five stars
docker41 [41]

Answer:

A

Step-by-step explanation:

The additive inverse property states that if we have a number a, then:

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Here, we have the equation:

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And we divide both sides by 2:

2x/2=542/2

To acquire:

x=271

So, we did <em>not</em> use the additive inverse property since we didn't add anything.

Instead, we used the<em> division property of equality</em> by dividing both sides by 2.

So, our answer is A.

And we're done!

7 0
3 years ago
Read 2 more answers
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