First, let's create two variables to express the girls' ages.
x=age of girl 1
y = age of girl 2
Now, let's create our expressions
x+y = 24
x-y=6
Let's solve by elimination
2x = 30
Divide both sides by 2
x=15
We can plug 15 in for x into one of our expressions
15 + y = 24
Subtract both sides by 15
y = 9
The older girl is 15 years old and the younger girl is 9 years old.
In 524897123, the digit 4 is in the millions place
hope this helps
Answer:
<h2>a answer ko </h2>
Step-by-step explanation:
<h2>ur welcome. carry on learning </h2>
The appropriate thing to do is what you would do with any math.
• Study the reference material and examples you are given, making sure you understand where the formulas apply and how they are used.
• Memorize the formulas you cannot derive easily based on the understanding you have.
• Work homework and extra problems until you can apply the formulas quickly and easily to any problem to which they are relevant.
_____
The distance formula is based on the Pythagorean theorem. For a right triangle of side lengths a and b and hypotenuse c, the Pythagorean theorem tells you
c² = a² + b²
Taking square roots, you get
c = √(a² + b²)
When "a" and "b" are the differences of coordinates in the Cartesian plane, this becomes the distance formula:
d = √((x₂-x₁)² + (y₂-y₁)²)
You can arrive at the midpoint formula a number of ways. I find it convenient to remember that the coordinates of a midpoint are simply the average of the coordinates of the end points. That is,
for midpoint M = (mx, my), and endpoints A = (ax, ay), and B = (bx, by)
M = (A+B)/2
(mx, my) = ((ax +bx)/2, (ay +by)/2)
Answer:
ascend 35 feet
Step-by-step explanation:
-35+x=0
add 35 to both sides
x=35
