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Salsk061 [2.6K]
3 years ago
15

What is 2x squared - 9x - 5?

Mathematics
1 answer:
Alex3 years ago
5 0
Uhh uhhhhhhhhhhh i dont know
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One number is six more than a second number. four times the first is 10 less than 6 times the second. Find the numbers.
zavuch27 [327]

\sf{\bold{\blue{\underline{\underline{Given}}}}}

  • One number is six more than a second number.
  • four times the first is 10 less than 6 times the second.⠀⠀⠀⠀

\sf{\bold{\red{\underline{\underline{To\:Find}}}}}

  • Find the two numbers.⠀

\sf{\bold{\purple{\underline{\underline{Solution}}}}}

⠀⠀⠀⠀

In questions given,One number is six more than a second number.

if second number is a

first number is a+6.

and,

four times the first is 10 less than 6 times the second.

So,

4×(a+6)=6a-10

we have to solve this.

\bold{4\times (a+6)=6a-10   } 

\bold{4a+24=6a-10   } 

\bold{6a-4a=24+10   } 

\bold{2a=34   } 

\bold{ a=\dfrac{34}{2}  } 

\bold{ a=17  } 

we,get our second number =a=17.

So,

first number =a+6=17+6=23

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2 years ago
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Convert 4(cos(150°) + isin(150) into rectangular form.
salantis [7]

Answer:

The rectangular form of 4[cos(150^{o})+i sin (150^{o})] is -2\sqrt{3}+2i.

3 0
2 years ago
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Help me!! Find the area of this figure.​
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Answer:

510

Step-by-step explanation:

divide into chunks. I divided it like how you would draw the equal sign.

for top chunk, 20*8=160

for 2nd chunk, 8*25=200

for the last chunk, 15*10=150

add up 160, 200, and 150

8 0
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I NEED THE ANSWER PLS :)
Andre45 [30]

Answer:

x = 48

Step-by-step explanation:

It is a 90 degree angle. So first you would subtract 42 from 90 degrees. Then you'd get your answer! Hope this helped

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