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Bas_tet [7]
3 years ago
13

What is an equivalent ratio to 7:5A 14:12B 21:10C 21:15PLZ help me

Mathematics
2 answers:
svp [43]3 years ago
4 0
Look at all the options.

Let's look at the 5 in the ratio. A number of an answer choice has to be divisible by 5. We can already say A isn't the right answer, because we can't multiply 5 to 12. 

All the 7 factors are equal to 21.

7*3= 21

So, shouldn't we multiply by 3 for the 5 as well?

3*5= 15

The correct answer is 21:15 or "C".

I hope this helps! 
Paha777 [63]3 years ago
3 0
The correct answer is C, since 7:5*3 is 21:15.
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Can somebody please help me
guajiro [1.7K]

Here is your answer

B. (12,30)

REASON:

Given,

y= 2x+6 .......(i)

3x-y= 6 .......(ii)

Putting the value of y from eq.i in eq.ii we get

3x-(2x+6)=6

3x-2x-6=6

=6+6

x=12

Putting x=12 in eq.i we get

y= 2x+6

y= 2×12+6

y= 24+6

y= 30

So,

\bold{x=12 and y= 30}

Hence answer is (12,30) in which x=12 and y=30

HOPE IT IS USEFUL

5 0
3 years ago
Drag a vertex of the triangle to change its shape.
likoan [24]

Answer:

The correct option is;

45°

Step-by-step explanation:

By angle sum theorem, we have that the sum of angles in a triangle = 180°

Therefore, we have;

When the interior angles of the triangle are constructed to be 60° and 75°, we have by the angle sum theorem;

The third angle + 60° + 75° = 180°

Which gives;

The third angle  = 180°- 60° - 75° = 180°- 135° = 45°

The measurement of the third angle by the angle sum theorem will be 45°

The correct option is ∠third angle = 45°.

8 0
3 years ago
Complete the table for the function y=x+3 <br><br> x - y <br> 0 -<br> 2 -<br> 4 - <br> 6 -
Rus_ich [418]
For each x value, add 3 to get y values.
0+3=3
2+3=5
4+3=7
6+3=9

Final answers, respectively: 3,5,7,9
7 0
3 years ago
Find the next number in the sequence 1, 1/4, 1/9 , 1/16, 1/25
Umnica [9.8K]
(Add5) 1/9..(add 7) 1/16... (add9) 1/25... (add 11) and get -> 1/36
3 0
3 years ago
A number cube is rolled. What is the probability that the cube lands on an odd number.
padilas [110]

Answer:

1/3 or 3/6 they are the same thing

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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