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castortr0y [4]
3 years ago
12

How to create a system equation

Mathematics
1 answer:
Natasha_Volkova [10]3 years ago
3 0

Answer:

Step-by-step explanation:

Write a system of equations to model the situation. Add the equations to eliminate the y-term and then solve for x. Substitute the value for x into one of the original equations to find y. Check your answer by substituting x = 8 and y = 2 into the original system.

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Coby needs to know the area and perimeter of his farm property. The length of his property is 1 6 mile and the width is 2 9 mile
Alexandra [31]

Answer:

P= 7/9 miles

A= (7/18) miles²

Step-by-step explanation:

Length 'l' = (1/6) mile

Width 'w'= (2/9) mile

Perimeter 'P' is given by:

'P' = 2l + 2w => 2(1/6) + 2(2/9)

P= 7/9 miles

Area 'A' is given by:

A= l x w =(1/6) x (2/9) = (7/18) miles²

3 0
3 years ago
1. what two things need to be true in order to add/subtract two radicals ?
Novay_Z [31]

Answer: 1. To add or subtract radicals, the indices and what is inside the radical (called the radicand) must be exactly the same. If the indices and radicands are the same, then add or subtract the terms in front of each like radical. If the indices or radicands are not the same, then you can not add or subtract the radicals.2.The index tells you how many of a kind you need to put together to be able to move that number or variable from inside the radical to outside the radical. For example, if the index is 2 (a square root), then you need two of a kind to move from inside the radical to outside the radical.3.When factoring a trinomial in the form x2 + bx + c, consider the following tips. Look at the c term first. o If the c term is a positive number, then the factors of c will both be positive or both be negative. In other words, r and s will have the same sign.

Step-by-step explanation:

6 0
3 years ago
Clint invested $6000 in a savings account for 12.5 years. At the end of 12.5 years, his savings account had $8250 in it. If $600
Vika [28.1K]
The balance B at the end of time t is given by
  B = P +Prt
  8250 = 6000 +6000*r*12.5 . . . . substitute the given information
  2250 = 6000*r*12.5 . . . . . . . . . . .subtract 6000
  2250/(6000*12.5) = r . . . . . . . . . .divide by the coefficient of r
  r = .03 = 3%

Clint earned 3% annual simple interest on his savings.
7 0
3 years ago
Read 2 more answers
Angela work on a straight 7% commission. Her friend worked on a salary of $600 plus a 10% commission. In a particular month, the
sveticcg [70]

all you need to do is change your percentages to decimal and then multiply

7 0
3 years ago
A person places $262 in an investment account earning an annual rate of 3.7%,
yaroslaw [1]

Answer:

$315.24

Step-by-step explanation:

Principal, P =$262

Rate, r= 3.7% =0.037

Time, t= 5 Years

The Value of the Investment which is compounded continuously is gotten using the formula:

V=Pe^{rt}\\=262*e^{0,037*5}\\=\$315.24

The value of the investment after 5 years is $315.24 to the nearest cent.

3 0
3 years ago
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