Answer:
1/2.
Step-by-step explanation:
10m = 5n
m = 5n/10
m = n/2
m/n = n/2 * 1/n
m/n = 1/2.
<span>Let x be the second number.
Let 2x+7 be the first number.
x+2x+7=25
3x+7=25
3x=25-7
3x=18
x=18/3
x=6
2x+7=19
The two numbers are 19 and 6.</span>
To find r, first write out the equation:

Next, multiply both sides by 2:

Now, subtract both sides by 4:

Divide both sides by 3:

The answer to this problem is
r = 2. Hope this helps and have a phenomenal day!
Answer: C. 20 inches
Step-by-step explanation:
perimeter= 2 x (4+6)=20 inches
Answer:
x = -4/11
Step-by-step explanation:
add the x values.
11x+8=4
subtract 8 from each sides
11x=-4
divide by 11
x=-4/11