Answer:
Option D is correct.
13x = 39
Step-by-step explanation:
The system of equation is given:
....[1]
.....[2]
Multiply equation [1] by 5 to both sides we have;
.....[3]
Using elimination method:
Add [2] and [3] equations to eliminate y and solve for x, we have;
Divide both sides by 13 we get;
x = 3
Substitute x in [1] we have;
2(3)-y = -4
6-y = -4
Subtract 6 from both sides we have;
-y = -10
Divide both sides by -1 we have;
y = 10
⇒Solution: (3, 10)
Therefore, an equation can replace 3x+5y = 59 in the original system and still produce the same solution is,
13x = 39
A. 314 sq cm
Explanation: pi•r^2
3.14 x 10^2
3.14 x 100 =314
$48÷$11=$4.36 repeated
while buying it the other way will save you way more money with $0.49 per pound
Answer:
(24r-10)/2
Step-by-step explanation:
12r-5 multiply by 2
24r-10
Make it equivalent by adding a fraction bar
(24r-10)/2
Answer:
Step-by-step explanation:
To find the number in scientific notation you want to find how many times you have to move the decimal to get the decimal to be right after the first non-zero number. If you move to the left the exponent is positive and if you move it to the right the exponent is negative. The answer would be .
