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3 years ago

Expand brackets 4(y+2)

Mathematics

2 answers:

Margaret [11]3 years ago

8 0

Answer:

16(y+2)

Step-by-step explanation:

Tcecarenko [31]3 years ago

6 0

4(y+2)= 4y+2 i hope this helps!

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The population of a small town was 10,800 in 2002. Since then the population has decreased at a rate of 2.5% each year. Write an

lozanna [386]

Answer:

See below

Step-by-step explanation:

A 2.5 % decrease means 97.5 % remains (.975)

population = 10800 ( .975) ^n where n = years past 2002

in 2020 n = 18

10800 (.975)^18 = 6847 people

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2 years ago

What is the midpoint of point A and B? On a graph.

allochka39001 [22]

Answer:

Where i da graph.?>?>?>?>

Step-by-step explanation:

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3 years ago

NEED HELP URGENTLY!!!

morpeh [17]

Answer:

2,9

Step-by-step explanation:

find difference between 16 and 9, and then subtract it by 9. find difference between3 and 6 then add that to 6.

5 0

4 years ago

<img src="https://tex.z-dn.net/?f=%5Chuge%5Csf%5Cunderline%7BQuestion%7D" id="TexFormula1" title="\huge\sf\underline{Question}"

vekshin1

${\qquad\quad\qquad\huge\underline{{\sf Answer}}}$

Here we go ~

$\qquad \sf \dashrightarrow \: {x}^{2} + \cfrac{1}{ {x}^{2} } = 34$

[ add 2 on both sides ]

$\qquad \sf \dashrightarrow \: {x}^{2} + \cfrac{1}{ {x}^{2} } + 2 = 34 + 2$

[ form identity : a² + b² + 2ab ]

$\qquad \sf \dashrightarrow \: {(x)}^{2} + { \bigg(\cfrac{1}{ {x}^{} } \bigg) }^{2} + 2 \sdot(x) \sdot \bigg(\cfrac{1}{x} \bigg) = 36$

[ a² + b² + 2ab = (a + b)² ]

$\qquad \sf \dashrightarrow \: {\bigg (x + \cfrac{1}{x} \bigg) }^{2} = 36$

$\qquad \sf \dashrightarrow \: {\bigg (x + \cfrac{1}{x} \bigg) }^{} = \sqrt{ 36}$

$\qquad \sf \dashrightarrow \: x + \cfrac{1}{x} = \pm 6$

so, the value of required expression is 6

[usually positive value is considered, but if asked the value can be either positive or negative]

8 0

2 years ago

I am thinking of a number. If I double

JulijaS [17]

Answer:

well if you double 1 then that equals 2 then you add five is 7 then double it is 14...so...yeah whatever I just said

6 0

3 years ago