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Aleks [24]
2 years ago
6

Help! 20 Points! + Brainliest! Which expressions have been simplified correctly? Choose exactly two answers that are correct.

Mathematics
1 answer:
marishachu [46]2 years ago
5 0

\huge\underline\mathtt\colorbox{gold}{B}

{z^-2=1/z^2}

<h2>AND </h2>

\huge\underline\mathtt\colorbox{silver}{D}

{(ab)^0=1}

<h2>Are both correct</h2>
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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

5 0
2 years ago
How many kilograms are there in 8 pounds? Hint: 1 lb ≈ 0.454 kg Round your answer to the nearest tenth.
Black_prince [1.1K]
It would be 4 kg. Explanation: Bc each kg is .5 when rounded so u take .5 and multiply it by 8lbs
7 0
2 years ago
Help me plsss thanks
Andrews [41]

Answer:

Option A is correct answer

4 0
3 years ago
Read 2 more answers
El precio de las acciones en tecnologia era $9.69 el día de ayer. Hoy el precio bajó a $9.58. Hallar el porcentaje de disminució
sesenic [268]

(9.69-9.58):9.58*100 =

(9.69:9.58-1)*100 =

101.14822546973-100 = 1.1

Eso sería una disminución de 1.1

O como porcentaje redondeado 1.14%.

Espero eso ayude!

8 0
3 years ago
Judy has a sugar cone and wants to know how many cubic inches of ice cream it will hold if it is filled completely to the top of
Aleks [24]
<span>Cone Volume = (<span>π<span> • r² •<span> h) ÷ 3
</span></span></span></span>
<span>Cone Volume = (3.14 * 1.5^2 * 4.5) / 3

</span>Cone Volume = <span><span><span>10.5975 </span> </span> </span> <span>
answer is B

</span>
5 0
3 years ago
Read 2 more answers
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