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makkiz [27]
3 years ago
15

If £25 = 750 rubles, how many £ are in 780 rubles?

Mathematics
1 answer:
-Dominant- [34]3 years ago
8 0

Answer:

26

Step-by-step explanation:

25/750=0.033333

0.033333x780=26

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If u= and v=<3cos45degree,3sin45degree> find the direction of u+v. Put in degrees and round to the nearest tenth.
bija089 [108]

Answer:

54.0°

Step-by-step explanation:

We have that:

u=<cos 30°, 4sin30°>

This implies that:

u=<½√3, 2>

Also, v=<3cos 45°, 3sin 45°>

v=<3√2/2, 3√2/2>

u+v=<2.99,4.12)

The direction of u+v, is the angle, it makes with the positive x-axis.

This is given by;

\theta =  { \tan}^{ - 1} ( \frac{y}{x} )

\theta =  { \tan}^{ - 1} ( \frac{4.12}{2.99} )

\theta = 54.03

To the nearest tenth, the direction is 54.0°

8 0
2 years ago
The lengths of two sides of triangle are given. Determine the range for the possible lengths of the third side
Elodia [21]

Answer:

here is the answer to this question

Step-by-step explanation:

what you need to do for the range is subtraction the highest to lowest numbers that are on that  triangle and then thats your answer

8 0
2 years ago
Which expressions are polynomials? Select each correct answer. 1)Which expressions are polynomials?
ZanzabumX [31]

Answer:

35x^2 is a polynomial because it is a whole # and x is the product of the term, it also has a variable.

the other answer is x/5+2



6 0
3 years ago
Read 2 more answers
Write a piecewise-defined function that represents the graph?
kodGreya [7K]

Answer:

f(x) = { x, -5 ≤ x < 0 and 3x - 3, 1 ≤ x < 5

Step-by-step explanation:

The equation of one line is y = x

The equation of the other line is y = 3x - 3

Altogether,

f(x) = { x, -5 ≤ x < 0 and 3x - 3, 1 ≤ x < 5

4 0
2 years ago
What is the area of the polygon? <br> 6 inches 3 inches​
Tems11 [23]
Area of polygon = 1/2 pa. So it would be 0.5 x 6 x 3. The fire the area is 9
7 0
2 years ago
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