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Gnom [1K]
3 years ago
11

K/9 = 2/5. Solve for k. I will give you brainliest answer

Mathematics
2 answers:
lesya692 [45]3 years ago
8 0
   k = 18/5 = 3.600.........
denis-greek [22]3 years ago
3 0
This is a proportion. To solve a proportion, cross multiply

K x 5 = 5k

2 x 9 = 18

5k = 18

Perform the opposite operation to isolate k by dividing both sides of the equation by 5

k= \frac{18}{5}
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If P = Set of all triangles, Q = Set of scalene triangles, R = Set of isosceles triangles and
Mashutka [201]

Given:

P = Set of all triangles,

Q = Set of scalene triangles,

R = Set of isosceles triangles and

S = Set of equilateral triangles.

To find:

Which of the following statements are true or false?

Solution:

We know that,

Scalene triangles : All sides are different.

Isosceles triangles : Two sides are equal.

equilateral triangles : All sides are equal.

Set of all triangles contains all scalene triangles. So, set of scalene triangles Q is a subset of Set of all triangles P.

Q\subset P

So, (a) is true.

All isosceles triangles are not equilateral triangles. So, set of isosceles triangles R is not a subset of set of equilateral triangles S.

R\nsubseteq S

So, (b) is false.

Set of all isosceles triangles contains all equilateral triangles. So, set of equilateral triangles S is a subset of set of isosceles triangles R .

S\subset R

So, (c) is true.

5 0
3 years ago
Plzz help me out that would really be appreciate it
Anna [14]

Answer:OK

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
HELPPPP I WILL GIVE BRAINIEST FOR THE CORRECT & DETAILED ANSWER
anastassius [24]

Answer:

10/10

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Use point-slope form to write the equation, in standard form, of the line passing through(-3,1) and(-2,3)
Varvara68 [4.7K]

Answer:

Slope intercept form: y= 2x + 7

Standard form: 2x - y= -7

Step-by-step explanation:

Hope this helps! Have a nice day! Please consider making me Brainliest!

4 0
3 years ago
Principal:$500<br> Interest earned:$60<br> Time:3 years
Oksanka [162]
I = PRT 

I = (500)(60)(3)

I = 90000
7 0
3 years ago
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