3 years ago

4-10 please I need answers now it’s HOMEWORK!!!!!!

Mathematics

1 answer:

VashaNatasha [74]3 years ago

4 0

Install an app called photo math and it will give you answers with explanations.

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Share £180 in the 4:5

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4 + 5 = 9
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£20 x 4 = £80
£20 x 5 =£100

Answer:
£80 : £100

hope it helped :)

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3 years ago

Im so confused rn i have no idea how to do this my teacher didnt teach us this

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2 years ago

Find the solutions of 6(2-7x)+x(7x-2=0)

azamat

$6(2-7x)+x(7x-2)=0$

Use distributive property: a(b - c) = ab - ac

$(6)(2)-(6)(7x)+(x)(7x)-(x)(2)=0\\\\12-42x+7x^2-2x=0\\\\7x^2-44x+12=0\\\\7x^2-42x-2x+12=0\\\\7x(x-6)-2(x-6)=0\\\\(x-6)(7x-2)=0\iff x-6=0\ \vee\ 7x-2=0\\\\x-6=0\ \ \ |+6\\\\x=6\\\\7x-2=0\ \ \ |+2\\\\7x=2\ \ \ |:7\\\\x=\dfrac{2}{7}$

Answer:\ $x=6\ \vee\ x=\dfrac{2}{7}$

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3 years ago