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Ray Of Light [21]
3 years ago
10

S is inversely proportional to t. When s = 0.7, t = 6 Work out s when t = 0.3

Mathematics
1 answer:
suter [353]3 years ago
5 0

Answer:

s will be 14 when t= 0.3

Step-by-step explanation:

Given that s is inversely proportional to t.

Inverse proportion is defined as the increase in one value causes decrease in other or decrease in one value causes increase in other

The give proportion can be expressed as:

s ∝ 1/t

Removing the proportionality symbol

s = \frac{k}{t}

Putting s = 0.7, t = 6

0.7 = \frac{k}{6}\\0.7 * 6 = k\\k = 4.2

The equation will be:

s = \frac{4.2}{t}

Putting t= 0.3

s = \frac{4.2}{0.3}\\s = 14

Hence,

s will be 14 when t= 0.3

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4.67,4.98,4.34 minutes what is the standard deviation for these three songs
ValentinkaMS [17]
First compute the mean:

(4.67 + 4.98 + 4.34) / 3 = 4.66

then compute the variance:

(4.67-4.66)^2 = 0.0001
(4.98-4.66)^2 = 0.1024
(4.34-4.66)^2 = 0.1024

sum of the three = 0.2049

then take the square root:

= 0.452

the standard deviation is 0.452
8 0
4 years ago
If it takes 68 seconds for you to walk up a flight of stairs from the first floor to the third-floor how long would it take you
Rudiy27

Answer:

204 Seconds

Step-by-step explanation:

Step 1 - 68/2 this is to find the unit cost in seconds that it takes to walk up the stairs to get 34.

The 2 is from the amount of flights of stairs you have to walk up to get from floor 1 to floor 3.

Step 2 - 34*6 this is because the unit price is 34seconds/flight of stairs to get 204.

Answer 204 Seconds.


7 0
2 years ago
Please help me I'm stup*d​
Delvig [45]

Answer:

Step-by-step explanation:

 3 • (x - 5) • (x + 5)

5 0
3 years ago
What is a correct congruence statement for the triangles shown?
Kamila [148]

Answer:

ΔRHS ≅ ΔNKW

Step-by-step explanation:

We are given that, in the triangles RHS and NKW.

∠H = ∠K

Side HS = KW.

∠S = ∠W

Now, using the ASA congruence criteria, which states that when two corresponding angles of the triangles are equal with the included side between them is equal, then both the triangles are congruent.

Hence, according to ASA criteria, ΔRHS ≅ ΔNKW.

4 0
3 years ago
Read 2 more answers
Help me with number 2 please
Kay [80]

Answer:

One solution

(2,0) is the point

Step-by-step explanation:

If the graphs of the equations intersect, then there is one solution that is true for both equations.

When the lines intersect, the point of intersection is the only point that the two graphs have in common, so the coordinates of that point are the solution for the two variables used in the equations.

The point of intersection is (2,0), because that is the point that both lines intersect at.

4 0
3 years ago
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