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3 years ago

(2s+1)2 Please Expand It

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

3 0

Answer:

Step-by-step explanation:

im not sure if this is right but this is what i think

Kryger [21]3 years ago

3 0

It’s 4s+2 actually ^-^ hope i could help

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Find the value of x and y

Natalija [7]

Hello and Good Morning/Afternoon:

Let's take this problem step-by-step:

What does the information want:

value of x
value of y

Let's gather some information:

ΔA'BC' and ΔABC are similar triangles

⇒ Angle B is shared by both triangles

⇒ Angle A' and A are the same, as they are both on parallel

lines, A'C' and AC, and both angles are formed with the

same line AB

⇒ by the Angle-Angle Theorem*, they are similar triangles

If they are similar triangles:

⇒ their side lengths are proportional to each other

let's find x's value

⇒ let's set up a proportion

$\frac{A'B}{AB} =\frac{A'C'}{AC} \\\frac{30}{x+30} =\frac{14}{22} \\14(x+30) = 30*22\\14x + 420 = 660\\14x = 240\\x = 17.143$

let's find y's value

⇒ let's set up a proportion

$\frac{BC'}{BC} =\frac{A'C'}{AC} \\\frac{y}{y+15} =\frac{14}{22} \\22y=14(y+15)\\22y=14y+210\\8y=210\\y=26.25$

Answer:

x= 17.143
y = 26.25

Hope that helps!

#LearnwithBrainly

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2 years ago

How would you solve this problem?

patriot [66]

The answer is C because you keep 2/1 change the division sign to multplication then you flip the 1/6 to 6/1.

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Kazeer [188]

Answer:

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The question is in the screenshot.

iris [78.8K]

Answer:

Step-by-step explanation:

hope it helps you on what ur doing

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Convert 0.3 to a fractions and a percent

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Fraction: 3/10

percent: 0.3%

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