Answer:
hypotenuse=root of( base square + height square)
Step-by-step explanation:
by using pythogorus theorem we can find the side of any right triangle square
Answer:
x = -2
Step-by-step explanation:
-3 = -13 - 5x
-3 + 13 = -5x
10 = -5x
10 ÷ (-5) = x
-2 = x
Step-by-step explanation:
<u>13,789:</u>
Tens: 13,790
Hundreds: 13,800
Thousands: 14,000
Ten thousands: 10,000
<u>24,173:</u>
Tens: 24,170
Hundreds: 24,200
Thousands: 24,000
Ten thousands: 20,000
<u>861,630:</u>
Tens: 861,630
Hundreds: 861,600
Thousands: 862,000
Ten thousands: 860,000
Answer:
12 and 8
Step-by-step explanation:
set two numbers as x and y
mean of 10 → x+y/2=10
range of 4 → x-y=4
x+y=20
+ x-y=4
____________
2x=24, x=12
12-y=4, y=8
Answer:
The principal for the account is $375.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
The interest earned after 1 year is $12 .If the interest rate is 3.2% for account (A).
This means, respectively, that 
We want to find P.




The principal for the account is $375.