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2 years ago

Sarah's math grade average is 93.3333(repeating)%. What is the repeating decimal part of her grade as a fraction?

Mathematics

2 answers:

UNO [17]2 years ago

8 0

Answer:

280/3

Step-by-step explanation:

multiply the number by 10x

subtract it by the original number on both sides

it should give u 9x to whatever answer u got multiply by 10 then divide by 90

Reil [10]2 years ago

7 0

It is 1/3....................

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Tim is 3 times as old as chris and is also 14 years older than chris. how old is tim?

Luda [366]

Let y represent Tim's age and let x represent Chris's age.

y=3x

y=x+14

Set the two equations equal to each other:

3x=x+14

Subtract the x from the one side to get it on the other side.

2x=14

Divide by 2 on both sides

14/2=7

x=7

Plug it back in and see if it works:

y=3(7)=21

Other equation:

7+14=21

x=7

y=21

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3 years ago

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ELEN [110]

Answer:

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3 years ago

The amount of money, in dollars, in a savings account after x years is given by M(x) = 10,000(1.03)x. What does the value 1.03 r

mr Goodwill [35]

Answer:

Option B) There is a 3 percent increase in the savings account each year.

Step-by-step explanation:

we have

$M(x)=10,000(1.03^x)$

This is a exponential function of the form

$y=a(b^x)$

where

M(x) represent the amount of money in a saving account

x represent the number of years

a is the original deposit (y-intercept)

b is the base

r is the rate or percent increase

$b=(1+r)$

The percent increase per year is the base of the exponential function decreased by 1.

$r=b-1$

In this problem we have

$a=\$10,000$ ---> original deposit

$b=1.03\\r=1.03-1=0.03=3\%$

Therefore

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7 0

3 years ago

Read 2 more answers

Solve the system by graphing. Select the solution(s). y = x + 2 y = 0.5(x + 2)

faltersainse [42]

Answer:

Part 1) The solution is the point (-2,0)

Part 2) The solutions are the points (-2,0) and (0,2)

Step-by-step explanation:

Part 1

we have

$y=x+2$ -----> equation A

$y=0.5(x+2)$ ----> $y=0.5x+1$ ---> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The solution is the point (-2,0)

see the attached figure N 1

Part 2

we have

$y=x+2$ -----> equation A

$y=0.5(x+2)^2$ ----> equation B

Solve the system by graphing

Remember that the solution of the system are the intersection points both graphs

using a graphing tool

The solutions are the points (-2,0) and (0,2)

see the attached figure N 2

4 0

3 years ago

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Mrac [35]

Answer:

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Step-by-step explanation:

4 0

3 years ago