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2 years ago

Please answer me please

Mathematics

2 answers:

barxatty [35]2 years ago

4 0

Step-by-step explanation:

please mark me as brainlest

soldier1979 [14.2K]2 years ago

4 0

Answer: (2x + 5)(2x + 5)

Step-by-Step Explanation:

Factorize by Splitting the Middle Term :-

4x^2 + 20x + 25
4x^2 + 10x + 10x + 25
2x(2x + 5) + 5(2x + 5)
(2x + 5)(2x + 5)

This is the Factorized Form.

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30r + –20 = 760 r = _____

andrey2020 [161]

Answer:

r = <u>26</u>

Step-by-step explanation:

$30r+(-20)=760\\30r-20=760\\30r=780\\r=26$

6 0

2 years ago

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Plss answer!! <br>MERRY Christmas!!! <br>Critical Question. AAAAA

liberstina [14]

Answer:

Step-by-step explanation:

abc = 1

We have to prove that,

$\frac{1}{1+a+b^{-1}}+\frac{1}{1+b+c^{-1}}+\frac{1}{1+c+a^{-1}}=1$

We take left hand side of the given equation and solve it,

$\frac{1}{1+a+\frac{1}{b}}+\frac{1}{1+b+\frac{1}{c}}+\frac{1}{1+c+\frac{1}{a}}$

Since, abc = 1,

$\frac{1}{c}=ab$ and c = $\frac{1}{ab}$

By substituting these values in the expression,

$\frac{1}{1+a+\frac{1}{b}}+\frac{1}{1+b+\frac{1}{c}}+\frac{1}{1+c+\frac{1}{a}}=\frac{1}{1+a+\frac{1}{b}}+\frac{1}{1+b+ab}+\frac{1}{1+\frac{1}{ab}+\frac{1}{a}}$

$=\frac{b}{b+ab+1}+\frac{1}{1+b+ab}+\frac{ab}{ab+1+b}$

$=\frac{1+b+ab}{1+b+ab}$

$=1$

Which equal to the right hand side of the equation.

Hence, $\frac{1}{1+a+b^{-1}}+\frac{1}{1+b+c^{-1}}+\frac{1}{1+c+a^{-1}}=1$

5 0

2 years ago

Which triangle has a hypotenuse CH

ArbitrLikvidat [17]

Triangle GCH- as the longest side which is the hypotenuse is the side opposite of the right angle (90 degrees)

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2 years ago

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Find the area of the figure. Round to the nearest tenth

Reika [66]

Answer:

Find the area of each triangle and then add it up. As you are aware, to find the area of a triangle the equation is B times Height divided by 2. And to make it easier do the top left triangle and the top right triangle, add them together and then divide that by 2.

Step-by-step explanation:

3 time 5 equals 15 divided by 2 equals 7.5

5 times 8 equals 40 divided by 2 equals 20

7.5 plus 20 equals 27.5

27.5 times 2 equals 55

therefor your answer should be 55m

3 0

2 years ago

Pls answer asap!! will mark brainliest giving 50 points ty ily <3

malfutka [58]

Answer:

Step-by-step explanation:

Keep the order of opperations in mind when doing this (PEMDAS). First, solve what is inside the parentheses (6-1). Then, solve the exponent and the multiplication (6² and 5×5). Finally, finish adding and subtracting to get the answer.

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3 years ago

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Please answer me please​

Please answer me please