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Llana [10]
3 years ago
10

U=1-3v/vt-w make t the subject

Mathematics
1 answer:
Jobisdone [24]3 years ago
8 0
u = 1 - \dfrac{3v}{vt-w}

\dfrac{3v}{vt-w} = 1 - u

3v = (1 - u)(vt - w)

3v = vt - w - uvt + wu

vt - uvt = 3v + w - wu

t(v - uv) = 3v + w - wu

t =  \dfrac{3v + w - wu}{v - uv}

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In one day, there are two high tides and two low tides in equally spaced intervals. The high tide is observed to be 6 feet above
creativ13 [48]
Answer:  The "independent variable" is the "time" (in hours) that is plotted on the "x-axis".  Note the "time" (in hours) can be "manipulated" in the sense that is it "chosen" by the humans who are measuring the data (e.g. when to start, how many hours, and at what intervals.

The "dependent variable" is the measurement (in feet) above or below the sea level, and this is plotted on the "y-axis".  These values cannot be "manipulated" in the sense that one cannot "choose" what value or measurement the tide level would be at any particular time.

Hope these answers—and explanations—are of help to you.
Best wishes!
3 0
4 years ago
Find the value of the variable.<br> All answers
svp [43]

First one.

Since the two angles are congruent through vertical angles theorem,

5x = 6x - 8

5x - 6x = -8

-x = -8

x = 8

Second one.

Use the 180° rule.

(8x - 2) + (2x + 2) = 180

8x - 2 + 2x + 2 = 180

8x + 2x + 2 - 2 = 180

10x = 180

x = 180 / 10

x = 18

Third one.

Vertical angle theorem.

7x = 5x + 40

7x - 5x = 40

2x = 40

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6 0
3 years ago
Read 2 more answers
Reasoning The spinner is divided into eight
natka813 [3]

Answer:

Because the 8 parts are equal, there is an equal chance of landing on each part. The chance of landing on any part is 1/8. This means that it would be impossible to predict with certainty which section will be landed on, because there is an equal chance of each.

Does that help?

Step-by-step explanation:

8 0
3 years ago
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2) A total of $27,000 was invested; part of it at 10% and part of it at 12%. The total yield was $2990. How much was invested at
Vladimir79 [104]

A total of $27,000 was invested; part of it at 10% and part of it at 12%. The total yield was $2990. How much was invested at each rate?​

Let

x -----> amount invested at 10%

(27,000-x) -----> amount invested at 12%

we have that

0.10(x)+0.12(27,000-x)=2990 ------> equation A

solve for x

0.10x+3,240-0.12x=2,990

0.12x-0.10x=3,240-2,990

0.02x=250

x=$12,500

so

27,000-x=27,000-12,500=$14,500

therefore

amount invested at 10% ----> $12,500

amount invested at 12% -----> $14,500

5 0
1 year ago
Which rule describes the transformation? R0, 90° R0, 180° R0, 270° R0, 360°
bekas [8.4K]

Answer:

R0, 90 degrees

Step-by-step explanation:

:)

4 0
3 years ago
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