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Schach [20]
3 years ago
5

Which ratios form a proportion?

Mathematics
2 answers:
ivanzaharov [21]3 years ago
5 0
The correct answer is:  [C]:  "12/16, 15/20" .
____________________________________________________
zimovet [89]3 years ago
5 0

Answer:

The answer will result in the letter C)

Step-by-step explanation:

You might be interested in
H. 2x – 7 = 3 squared
Lubov Fominskaja [6]

Answer:

h. x=8

Step-by-step explanation:

2x-7=3^2

Step 1) Square the 3

2x-7=9

2) Add 7 to both sides

2x-7(+7)=9(+7)

2x=16

3) Divide both sides by 2

\frac{2x}{2} =\frac{16}{2}

x=8

8 0
3 years ago
Use the number line​ below, where RS = 5y + 2, ST = 3y + 6, and RT = 48
tekilochka [14]

RS+ST= RT

(7Y+3)+(2Y+9)= 14Y-8

9Y+12=14Y-8

5Y=20

Y=4

3 0
3 years ago
What is the solution of the linear-quadratic system of equations? { y = x 2 + 5 x − 3 y − x = 2
photoshop1234 [79]

Try substituting those values, and you will see they do not fit either equation.

looking at the 2nd equation, y = x+2, so

x+2 = x^2+5x-3

x^2 + 4x - 5 = 0

(x+5)(x-1) = 0

x = -5 or 1

so, y = -3 or 3

the solutions are thus (-5,-3)(1,3)

Hope this helps

Please give me Brainliest

8 0
3 years ago
Read 2 more answers
Factor  56−16 56−16  using the GCF. I TRIED IT AND ITS NOT 8
Svetach [21]
It is eight. There is no way it's wrong I doubled checked.
5 0
3 years ago
Read 2 more answers
Solve for the unknown variable 2/5(3x-4)=-4
Elanso [62]

Answer:

x = -2

Step-by-step explanation:

Solve for x:

(2 (3 x - 4))/5 = -4

Multiply both sides of (2 (3 x - 4))/5 = -4 by 5/2:

(5×2 (3 x - 4))/(2×5) = -4×5/2

5/2×2/5 = (5×2)/(2×5):

(5×2)/(2×5) (3 x - 4) = -4×5/2

5/2 (-4) = (5 (-4))/2:

(5×2 (3 x - 4))/(2×5) = (-4×5)/2

(5×2 (3 x - 4))/(2×5) = (2×5)/(2×5)×(3 x - 4) = 3 x - 4:

3 x - 4 = (-4×5)/2

(-4)/2 = (2 (-2))/2 = -2:

3 x - 4 = 5×-2

5 (-2) = -10:

3 x - 4 = -10

Add 4 to both sides:

3 x + (4 - 4) = 4 - 10

4 - 4 = 0:

3 x = 4 - 10

4 - 10 = -6:

3 x = -6

Divide both sides of 3 x = -6 by 3:

(3 x)/3 = (-6)/3

3/3 = 1:

x = (-6)/3

The gcd of -6 and 3 is 3, so (-6)/3 = (3 (-2))/(3×1) = 3/3×-2 = -2:

Answer:  x = -2

6 0
3 years ago
Read 2 more answers
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