3 years ago

Don't stress anymore I'm here to help in online mathematics classes I have a doctorate degree in maths

Mathematics

2 answers:

frosja888 [35]3 years ago

7 0

Then I'll definitely will ask you questions about maths :)

Lapatulllka [165]3 years ago

5 0

Please help me with my homework.

Here is the question. I hope you would help me, I really need answer asap. I need to pass it by 8:30. pls help me

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Rory's number is 0.3 larger than Lori's number, and the sum of their numbers is 13. What is ten times Lori's number multiplied b

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Step-by-step explanation:

13-.03 is 12.7

12.7 x 10= 127

127 x 2016= 256032

Weird question, but I hope this helps!

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2 years ago

Whats the answer can someone answer please

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2 years ago

Mr. Wilson invested money in two accounts. His total investment was $20,000. If one account pays 5% in interest and the other pa

blagie [28]

a = amount invested at 5%

b = amount invested at 2%

now, we know the total invested by Mr Wilson was 20000, so whatever "a" and "b" might be, we know that a + b = 20000.

$a + b = 20000\implies b = 20000-a \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{5\% of a}}{\left( \cfrac{5}{100} \right)a}\implies 0.05a~\hfill \stackrel{\textit{2\% of b}}{\left( \cfrac{2}{100} \right)a}\implies \begin{array}{llll} 0.02b\\\\ \stackrel{substituting}{0.02(20000-a)} \end{array}$

now, we know the total of earned interest is 550 bucks, so then

$0.05a~~ + ~~0.02(20000-a)~~ = ~~550\implies 0.05a+400-0.02a=550 \\\\\\ 0.03a+400=550\implies 0.03a=150\implies a=\cfrac{150}{0.03}\implies a=5000 \\\\\\ ~\hspace{24em}\stackrel{20000~~ - ~~5000}{b=15000}$

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1 year ago

Don't stress anymore I'm here to help in online mathematics classes I have a doctorate degree in maths​

Don't stress anymore I'm here to help in online mathematics classes I have a doctorate degree in maths