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3 years ago

12

Li invests money in a savings account. She wants to know the amount of simple interest that she will earn in 6 years at 3.75 per

cent. What additional information does she need to find this amount?

1 answer:

MAXImum [283]3 years ago

4 0

Answer:

Principal

Step-by-step explanation:

She needs to know how much money she's putting in to be able to calculate interest.

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If triangle ocd ≅ triangle JAL, then which of the following statements are true?

Roman55 [17]

Answer:

I III and IV

Step-by-step explanation:

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3 years ago

What are two different ways of factoring –3x – 9? Select all that apply. A. –3(x + 3) B. 3(x + 3) C. 3(–x – 3) D. –3(x – 3)

Shalnov [3]

A. and C. Are both correct

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3 years ago

Compare 2/5 and 1/4

elena-14-01-66 [18.8K]

Answer:

2/5 > 1/4

Step-by-step explanation:

2/5 = 4/10 = 0.4

1/4 = 0.25

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2/5 > 1/4

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3 years ago

Read 2 more answers

The standard normal curve shown below is a probability density curve for a

Step2247 [10]

Answer:

0.6825

Explanation:

I'm not fully sure about how to do this, but I believe it might have to do with

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8 0

3 years ago

the length of a rectangle is 8cm more than the width and its area is 172cm2 .find the width of the rectabgle

nikdorinn [45]

$l-the\ length\\l+8-the\ width\\A=172\ cm^2\\\\A=lengtf\cdot width\\\\subtitute\\\\l(l+8)=172\\\\l^2+8l=172\ \ \ |subtract\ 172\ from\ both\ sides\\\\l^2+8l-172=0\\a=1;\ b=8;\ c=-172\\\\\Delta=b^2-4ac\\\\\Delta=8^2-4\cdot1\cdot(-172)=64+688=752 > 0\\\\l_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ l_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\\sqrt\Delta=\sqrt{752}=\sqrt{16\cdot47}=4\sqrt{47}\\\\l_1=\dfrac{-8-4\sqrt{47}}{2\cdot1}=-4-2\sqrt{47} < 0\\\\l_2=\dfrac{-8+4\sqrt{47}}{2\cdot1}=-4+2\sqrt{47} > 0\\\\The\ width:l+8=-4+2\sqrt{47}+8=4+2\sqrt{47}\\\\Answer:\boxed{length=(2\sqrt{47}-4)cm;\ width=(4+2\sqrt{47})cm}$
$length\approx9.71cm;\ width\approx17.71cm$

4 0

3 years ago