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Roman55 [17]
3 years ago
11

Fiecare dintre cei 180 de elevi ai unei școli vorbește cel puțin una dintre limbile germană și engleză . Dintre aceștia, 92 vorb

esc limba germană și 130 vorbesc limba engleză. *
Numărul elevilor care vorbesc ambele limbi sunt in numar de
Elevii care vorbesc numai germana sunt în număr de
Elevii care vorbesc numai engleza sunt în număr de
Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
8 0
Wlsloadniednheudbeid
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Please help (puppy eyes)
-Dominant- [34]
First we have to find the decimal equivalent by dividing.
5 / 8 = 0.625

It can't be an Integer because decimals can't be intergers, so that's ruled out

It can't be repeating as it does end, so that's also ruled out

Since the decimal does end it can't be non-terminating, non-repeating

So the answer is Terminating Decimal by process of elimination
7 0
4 years ago
Let l be the length of a diagonal of a rectangle whose sides have lengths x and y, and assume that x and y vary with time. If x
meriva

The rate of change of the size of the diagonal is; 25.2 ft/s

By Pythagoras theorem;

The length, l of a diagonal of a rectangle whose sides have lengths x and y is;

  • l² = x² + y².

In essence; the length of the diagonal is dependent on the length, x and y of the sides.

Therefore;

(dl/dt)² = (dx/dt)² + (dy/dt)²

where;

  • (dx/dt) = 19 ft/s
  • (dy/dt) = -15 ft/s

Therefore,

(dl/dt)² = 19² + (-15)²

(dl/dt)² = 361 + 225

dl/dt = √586

dl/dt = 25.2

Therefore, the size of the diagonal is changing at a rate of; 25.2 ft/s.

Read more;

brainly.com/question/12559989

4 0
2 years ago
Which polynomial is factored completely
Ket [755]

Answer: The correct option is c.

Explanation:

Reason for correct option:

3x(9x^2+1)

This expression cannot be factored further because (9x^2+1) is the complete factor. Therefore the option c is correct.

Reason for incorrect option:

5x^2-17x+14=5x^2-10x-7x+14=5x(x-2)-7(x-2)=(x-2)(5x-7)

Since the given expression can be factored further therefore the option d is incorrect.

4(4x^4-1)=4((2x)^2-1)=4(2x^2-1)(2x^2+1)

Since the given expression can be factored further. Therefore the option a is incorrect.

2x(y^3-4y^2+5y)=2xy(y^2-4y+5)

Since the given expression can be factored further. Therefore the option b is incorrect.

4 0
4 years ago
Read 2 more answers
AGHHHH MATH IS EVIL help ma please
VLD [36.1K]

Answer:

{ 6, 9, 16, 18 }

Step-by-step explanation:

To find the range substitute the values of x from the domain into the equation for y, that is

x = - 3 : y = - 3 + 9 = 6

x = 0 : y = 0 + 9 = 9

x = 7 : y = 7 + 9 = 16

x = 9 : y = 9 + 9 = 18

The y values are the range of the relation, that is

y ∈ { 6, 9, 16, 18 }

8 0
3 years ago
Find the values of m and b.<br> M=<br> B=
Stella [2.4K]

Answer:

M= -3

B=6

Step-by-step explanation:

6-0=6

0-2=-2

=3

4 0
3 years ago
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