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Katarina [22]
3 years ago
12

Question 4

Mathematics
1 answer:
stealth61 [152]3 years ago
3 0
Question 4:
2x-3
Because we don’t know how much Fernando has that would be where we fill in the variable giving you 2x then 3 dollars less will give you the -3 therefore 2x-3
Question 5:
1/2x+7
Because we don’t know Deb’s age that would be the variable and we are looking for half of Deb’s age giving you 1/2x then the 7 years more giving you the +7 hence 1/2x+7
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3x - 7y = -28 for y do I solve this equation differently than any other one?
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I am greater than 30 and less than 40. The sum of my digits is less than 5
Zielflug [23.3K]
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For the function F defined by F(x) = x2 – 2x + 4, find F(| — 4|).
Lostsunrise [7]

F(x)=x^2-2x+4

\\ \sf\longmapsto F(|-4|)

\\ \sf\longmapsto F(4)

\\ \sf\longmapsto 4^2-2(4)+4

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\\ \sf\longmapsto 8+4

\\ \sf\longmapsto 12

7 0
3 years ago
Just b I need to know, I need explanation also.
Nastasia [14]

Answer:

\implies \: 2.6851 \text{ \: ft}

\\

Step-by-step explanation:

\boxed{\boxed{  \blue\bigstar  \red{ \bold{ \:  \: math \: \:  }} \blue\bigstar}}

\pink{\implies =  \sqrt{ {36.1}^{2} -   {36}^{2}}  }

\orange{ \implies  =  \sqrt{1303.21} - 1.296}

\green{ \implies =  \sqrt{7.21} }

\red{ \implies = 2.6851 \:  \text{ft}}

4 0
3 years ago
HELP PLZ I NEED THIS DONE ASAP
kodGreya [7K]

\text{Given that,}\\\\y^2 +9y +3 \\\\\text{when}~ y = -2,\\\\(-2)^2 +9(-2) +3 = 4-18+3 = 7 -18 = -11,

8 0
2 years ago
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