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4 years ago

Can someone help me please !! I’m so confused Thank you

Mathematics

1 answer:

sergiy2304 [10]4 years ago

5 0

Answer:

I have no idea if this would be right but I am guessing (for the 1/5 one) if you put 5 different colored marbles in a container and wanted to pull out a red one. You can also do this for the 1/10 one just use a different object.

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Can someone help me with this problem

Alex_Xolod [135]

Answer:

Step-by-step explanation:

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

A(-3, 0) , B(3, 2)

$AB=\sqrt{(3-(-3))^2+(2-0)^2}=\sqrt{6^2+2^2}=\sqrt{36+4}=\sqrt{40}=\sqrt{4\cdot10}=\sqrt4\cdot\sqrt{10}=2\sqrt{10}$

A(-3, 0), D(-2, -3)

$AD=\sqrt{(-2-(-3))^2+(-3-0)^2}=\sqrt{1^2+(-3)^2}=\sqrt{1+9}=\sqrt{10}$

AB = CD and AD = BC

The area of a rectangle:

$A=(AB)(AD)$

Substitute:

$A=(2\sqrt{10})(\sqrt{10})=(2)(10)=20$

The perimeter of a rectangle:

$P=2(AB+AD)$

Substitute:

$P=2(2\sqrt{10}+\sqrt{10})=2(3\sqrt{10})=6\sqrt{10}$

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3 years ago

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alexandr402 [8]

Answer:

Step-by-step explanation:

y = 2x + b/y=mx+c use this equation to solve the sum

using y=mx+c to solve the sum

y=2, x=-3 and m=4/3

after putting and simplifying the eq we get the value of m

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Yakvenalex [24]

Answer:

Step-by-step explanation:

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28 x 3 = 84 multiply by proportion

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Answer:

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Answer:

Step-by-step explanation:

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