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3 years ago

9

Eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

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1 answer:

Vikentia [17]3 years ago

5 0

Answer:

Step-by-step explanation:

you are probably

10 trying to be funny lol get a life kid no won likes you

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Joshua payed $1.99 for a pack of gum that contains 5 pieces of gum.Joshua has 110 pieces of gum. How much money did he pay for a

IgorLugansk [536]

Joshua pays 43.78 because he buys 22 packs. I found this by 110/5 . Then I multiplied 1.99 by 22 and got the final answer $43.78

8 0

4 years ago

the sum of the perimeter of two squares is 40cm while the sum of the area is 58cm². Find length the side of the square.

tia_tia [17]

$a,\ b-the\ length\ of\ sides\\\\(1)\qquad4a+4b=40\qquad\text{divide both sides by 4}\\\\a+b=10\to a=10-b\\\\(2)\qquad a^2+b^2=58\\\\\text{Substitute}\ (1)\ \text{to}\ (2):\\\\(10-b)^2+b^2=58\qquad\text{Use}\ (x-y)^2=x^2-2xy+y^2\\\\10^2-2(10)(b)+b^2+b^2=58\\\\100-20b+2b^2=58\qquad\text{subtract 58 from both sides}\\\\42-20b+2b^2=0\\\\2b^2-20b+42=0\qquad\text{divide both sides by 2}\\\\b^2-10b+21=0\\\\b^2-7b-3b+21=0\\\\b(b-7)-3(b-7)=0\\\\(b-7)(b-3)=0\iff b-7=0\ \vee\ b-3=0\\\\\boxed{b=7\ \vee\ b=3}$

$\text{Put the values of b to }\ (1):\\\\for\ b=7\to a=10-7=3\\\\for\ b=3\to a=10-3=7\\\\Answer:\ \boxed{7cm\ and\ 3cm.}$

8 0

3 years ago

Please help me solve this question...

const2013 [10]

Answer: It would be 30 each, so 30 plus laura being three years older = 103 so you answer is 30

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Fractions to decimals like 5/37 and 2/16

Zina [86]

Answered respectively;
1) 0.13514
2) 0.125

5 0

3 years ago

Read 2 more answers

Please help me what is this

Papessa [141]

36 ÷ 9 = 4
So.. 1% is 4 people
23 + 47 = 70%
70 × 4 = 280
Hope this helped :)

4 0

3 years ago