3 years ago

Please help I have limited time

Mathematics

1 answer:

RideAnS [48]3 years ago

8 0

Answer:

Ask it like this so people can see it more

Step-by-step explanation:

Do the points (-1,9) and (2,4) represent the vertex and a sample point, respectivelt, of y= -2(x+1)^2+9? Explain.

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Step-by-step explanation:

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nirvana33 [79]

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3 years ago

Julie invested 3000 in a simple interest account for 2 years. At the end of the 2 years, she had earned $75 in interest. What wa

Dahasolnce [82]

The simple interest rate was: 1.25%

Step-by-step explanation:

Simple interest is given by:

$A = Prt\\Here\\A => Interest\\P=>Principal\ Amount\\r => Rate\\t => Time\ in\ years$

Given

Principal amount =$3000

Time = t = 2 years

Interest amount = A = $75

putting the values in the formula

$75 = 3000 * r * 2\\75 = 6000r$

Dividing both sides by 6000

$\frac{6000r}{6000} = \frac{75}{6000}\\r = 0.0125\\$

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the simple interest rate was: 1.25%

Keywords: Simple interest, percentage

Learn more about interest at:

#LearnwithBrainly

5 0

3 years ago