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3 years ago

Suppose that y varies inversely with x. Write an equation for the inverse variation.

Mathematics

2 answers:

suter [353]3 years ago

7 0

y= 10/x because on gradpoint that is the correct answer

Slav-nsk [51]3 years ago

3 0

Answer is <span>c. y=10/x,

2=10/5
2=2
y=k/x -inverse variation, k - constant</span>

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An airplane's change in altitude before landing is shown in the table. what equation represents this change in altitude?

Stella [2.4K]

Answer:

a=-4000m+39000

Step-by-step explanation:

From the given table, we can see that the difference between any consecutive altitude is 4000 ft.

31000 - 35000 = -4000

27000- 31000 = -4000

23000-27000 = -4000

Hence, it represents an arithmetic sequence with a = 3500 and d = -4000

The general term of an arithmetic sequence is given by

$a_n=a+(n-1)d\\\\a=35000+(m-1)(-4000)\\\\a=35000-4000m+4000\\\\a=-4000m+39000$

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3 years ago

Need the answer ASAP!! 20 points

aniked [119]

Answer:

I think C. is it

Step-by-step explanation:

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2 years ago

Estimate. then find the sum. 1.20 plus 0.34

Trava [24]

1.20 + 0.34 = 1.54
That is the answer.

5 0

3 years ago

Read 2 more answers

(7)/(3) of it is 5 (5)/(6)

slava [35]

let's firstly convert the mixed fraction to improper fraction and then take it from there, keeping in mind that the whole is "x".

$\stackrel{mixed}{5\frac{5}{6}}\implies \cfrac{5\cdot 6+5}{6}\implies \stackrel{improper}{\cfrac{35}{6}} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{7}{3}x~~ = ~~5\frac{5}{6}\implies \cfrac{7}{3}x~~ = ~~\cfrac{35}{6}\implies 42x=105\implies x=\cfrac{105}{42} \\\\\\ x=\cfrac{21\cdot 5}{21\cdot 2}\implies x=\cfrac{21}{21}\cdot \cfrac{5}{2}\implies x=1\cdot \cfrac{5}{2}\implies x=2\frac{1}{2}$

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2 years ago

What is the square root of 74 rounded to the nearest tenth

WARRIOR [948]

Answer:

8.6

Step-by-step explanation:

The square root of 74 is 8.602325, which rounded to the nearest tenth, is 8.6

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2 years ago