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marysya [2.9K]
3 years ago
9

The ratio x:y is equal to 2:3 express x in terms of y

Mathematics
2 answers:
Sidana [21]3 years ago
8 0
X=2/3*y

X/y=2/3
X=2/3*y. According to Pemdas and isolating the variable
choli [55]3 years ago
7 0

Answer:

x = \frac{2}{3} y

Step-by-step explanation:

Given x : y = 2 : 3

Express the ratios as a fraction, that is

\frac{x}{y} = \frac{2}{3} ( cross- multiply )

3x = 2y ( divide both sides by 3 )

x = \frac{2}{3} y

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Find the equation for the circle with a diameter whose endpoints are (-5, -3) and (3,2).
densk [106]

Answer:

  (x +1)^2 +(y +0.5)^2 = 22.25

Step-by-step explanation:

The center of the circle is the midpoint of the diameter, so is ...

  (h, k) = ((-5, -3) +(3, 2))/2 = (-5+3, -3+2)/2 = (-1, -1/2)

The circle formula is then ...

  (x -h)^2 +(y -k)^2 = r^2

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We can find r^2 by substituting one of the points for (x, y).

  (3 +1)^2 +(2 +1/2)^2 = r^2 = 16 +6.25 = 22.25

Then the circle equation is ...

  (x +1)^2 +(y +0.5)^2 = 22.25

3 0
3 years ago
A person invests 6500 dollars in a bank. The bank pays 6.5% interest compounded annually. To the nearest tenth of a year, how lo
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2 years ago
After writing part of his novel, Thomas is now writing 16 pages per week. After 4 weeks, he has written 85 pages. Assume the rel
d1i1m1o1n [39]

The initial value is 21 and rate of change is 16 pages per week

<em><u>Solution:</u></em>

Given that After writing part of his novel, Thomas is now writing 16 pages per week

After 4 weeks, he has written 85 pages.

Given that assume the relationship to be linear

Linear relationships can be expressed either in a graphical format or as a mathematical equation of the form y = mx + c

y = mx + c

where "y" is the number of pages written after 4 weeks

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Therefore,

85 = 16(4) + c

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3 years ago
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Jenny asked 10 students how many courses they have taken so far at her collegeHere is the list of answers, 12, 10, 14, 7, 1, 19,
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