MATHEMATICS MIDDLE SCHOOL

money in a particular savings account increases by about 6% after a year. how much money will be in the account after one year if the initial amount is $100? $50? $200? $125? x dollars? if you get stuck, consider using diagrams or a table to organize your work.

Answers

Answer 1

Answer:

FIRST STEP)

You have various initial capital C for it, the rate of interest is 6%, and the time is n = 1 year

second step

using the formula M = C [1+(i*n)] you calculate the values,

M1= 100[1+(0,06 *1)] = 106

M2= 50[1+(0,06*1)] = 53

M3= 200(1,06) = 212

M4 = 125(1,06) = 132,5

$100 $50 $200 $125

$106 $53 $212 $132,5

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What is 1/7 to 1/14 as a unit rate

Answers

1/7in=1/14min is what I think.

Describe the number 72 in tens and ones

Answers

seven tens and two ones

lisa brought a tank for her hermit crab. the lank can hold 1,331 cubic inches of water and includes a top. the base of the aquarium is a square. the height of the aquarum is 11 inches. what is the lenght of each side of the base of the tank, what is the shape of the tank and what is the surface area of the tank

Answers

The formula for volume of a prism is V=(the area of the base*height). Substitute the known values so you have:
1331=11(A)
A=1331/11
A=121 in²

The base is a square, making its area is s², so you have the equation:
s²=121
s=11 in

This makes all the side lengths the same, making the tank shape a cube.

To find the surface area of a cube, use the formula SA=6s². Substitute the known value in so you have:
SA=6*11²
SA=6*121
SA=726 in²

The final answer is that the tank is cube-shaped with a surface area of 726 in².

Write an expression for the calculation 34 minus 5 times the difference of 11 and 6

Answers

34-5x(11-6)
Hope this helps

the expression is 34-5(11-6)

BIG POINTS (82)

what is the area of a circle if its radius is 3596cm let pi=3.14

Answers

Area of a circle of radius $r$ : $A=\pi r^2$

3596cm = 35.96 m hence

Hence here $A=\pi r^2\approx3.14\cdot(35.96)^2=3.14\cdot1293.1216=4,060.401824m^2$

4x(4+3)=5(2x+5) what is the value of x. write answer as a fraction

Answers

4x(4+3)= 5(2x+5)
Solve for brackets first
4x(7)=5(2x+5)
Expand
28x=10x+25
Now move 10x to the other side so
28x-10x=25
18x=25
Now isolate for x
X=25/18
And reduce if possible

Step-by-step explanation:

4x(4+3)=5(2x+5)

= 4x (7) = 10x + 25

= 28x = 10x + 25

= 28x-10x = 25

= 18x = 25

x = 25/18

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