2 years ago

Help me answer this question

Mathematics

1 answer:

Olegator [25]2 years ago

4 0

Answer is C because 0.3 is not positive number or even negative number.

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rectangle will have length 3n+ 6 and height 2n−1 inches, while the square will have side length n+ 2inches. Find the perimeter a

kifflom [539]

Answer:

Perimeter: 2(3x+6)+ 2(2x-4)

X=9

Step-by-step explanation:

In order to create the expression you just have to remember that the perimeter of a rectangle equals 2 bases plus 2 sides, so the expression would be:

Perimeter: 2(heights)+ 2(bases)

Perimeter: 2(3x+6)+ 2(2x-4)

IN order to solve for X we just have to insert the value of perimeter, which is 94:

Perimeter: 2(3x+6)+ 2(2x-4)

94=2(3x+6)+ 2(2x-4)

94= 6x+12+4x-8

94=10x+4

94-4=10x

x=90/10

x=9

So the value of x would be 9.

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Write an equation for graph, where y depends on x

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2 years ago

11x-7=8x +5 what is the answer

Natasha2012 [34]

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Jay wants his money to double in eight years. What interest rate does he need to earn? *

cupoosta [38]

Answer:

The rate of interest is 12.5%

Step-by-step explanation:

Let the principal be P

We are given that Jay wants his money to double in eight years.

So, Amount = 2P

Simple interest = Amount - Principal = 2P-P = P

Time taken to double the money is 8 years

So, $SI = \frac{P \times T \times R}{100}\\P=\frac{P \times 8 \times R}{100}\\100=8 \times R\\\frac{100}{8}=R\\12.5 =R$

Hence The rate of interest is 12.5%

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2 years ago