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kobusy [5.1K]
3 years ago
6

Helppp plzzz solve them

Mathematics
1 answer:
Airida [17]3 years ago
5 0
2. y=12000(.06)4x<span>
3. y=300(.08)5x
 Hope this helps</span>
You might be interested in
Find the X COORDINATE OF THE intersection of 9x - 6y = 12 and 3x + 2y =8
yaroslaw [1]

Answer: x=2

Step-by-step explanation:

Given a System of linear equations, the solution of the system is the point (x,y) in which the lines intersect, where "x" is the x-coordinate and "y" is the y-coordinate.

Having the following System of equations:

\left \{ {{9x - 6y = 12} \atop {3x + 2y =8}} \right.

You can use the Elimination method to find the value of "x":

-Multiply the second equation by 3.

- Add the equations.

- Solve for "x".

Then, you get:

\left \{ {{9x - 6y = 12} \atop {9x +6y =24}} \right.\\.......................\\18x=36\\\\x=\frac{36}{18}\\\\x=2

8 0
3 years ago
During a certain five year. The consumer price index decreased by 75% but during the next five yearperiod is decreased by only 3
scZoUnD [109]

Answer:

the price index

Step-by-step explanation:

because it said during a CERTAIN five year the cosumer pice index DECREASED by only 75%

7 0
2 years ago
Please helppppp!!!!!!!!
Drupady [299]

Answer:

128 cm^2

Step-by-step explanation:

The area of a trapezoid is given by

A = 1/2 (b1+b2) h

where b1 and b2 are the lengths of the bases and h is the height

A =1/2( 10+22) * 8

A = 1/2 (32)8

  = 128

7 0
3 years ago
Read 2 more answers
What is the value of the following expression?
monitta

The expression (−81)(−9)  will give the value of 729.

<u>Step-by-step explanation:</u>

The given expression is (−81)(−9) .

The both numbers in the expression are negative numbers and they are given inside the brackets.

This means that, the negative numbers must be multiplied to get a final value.

<u>The rules in multiplication are :</u>

  • Positive number × Positive number = positive number
  • Negative number × Positive number = negative number
  • Positive number × Negative number = negative number
  • Negative number × Negative number = positive number

From the rules, it can be determined that the result of any two negative numbers will be a positive number.

So, eliminate option A) and B) because they have negative sign.

The expression (−81)(−9) = -81 × -9

⇒ 729.

Therefore, the option C) and D) are not in match with 729. None of the options are not the value of the given expression (−81)(−9).

6 0
3 years ago
Rename each pair of fractions with common denominator <br> 1/4 and 2/3
GrogVix [38]
3/12 and 8/12

The common denominator is 12
5 0
3 years ago
Read 2 more answers
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