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SIZIF [17.4K]
2 years ago
11

Help me with this question :

0%2B%20b%29%20%7B%7D%5E%7B2%7D%20%20%3D%20" id="TexFormula1" title=" \quad \tt \:( {a}^{} + b) {}^{2} = " alt=" \quad \tt \:( {a}^{} + b) {}^{2} = " align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
liberstina [14]2 years ago
7 0

Answer:

{(a + b)}^{2}

(a + b)(a + b)

a ·a + a ·b + b ·a + b  ·b

{a}^{2}  +   2ab +  {b}^{2}

Step-by-step explanation:

\frak{seolle_{aphrodite}}

Bas_tet [7]2 years ago
3 0

Answer:

a² + 2ab + b²

Explanation:

⇒ (a + b)²

⇒ (a + b)(a + b)    

[apply distributive method: (a + b) (c + d) = ac + ad + bc + bd]

⇒ a² + ab + ab + b²

⇒ a² + 2ab + b²

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Dvinal [7]

I believe the one you have selected is correct.


4 0
3 years ago
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pheobe andy and polly share £270 pheobe gets three times as much as andy who hets twice as much as polly how much do they each g
KIM [24]
Money of Phoebe - 3 times as much as Andy
Money of Andy - 2 times as much as Polly
Total money of Phoebe, - £270
Andy and Polly

*Solution

Let
B - Phoebe's money
A - Andy's money
L - Polly's money

1. The money of the Phoebe, Andy, and Polly, when added together would total £270. Thus,

B + A + L = £270 (EQUATION 1)

2. Phoebe has three times as much money as Andy and this is expressed as

B = 3A

3. Andy has twice as much money as Polly and this is expressed as

A = 2L (EQUATION 2)

4. This means that Phoebe has ____ as much money as Polly,

B = 3A
B = 3 x (2L)
B = 6L (EQUATION 3)

This step allows us to eliminate the variables B and A in EQUATION 1 by expressing the equation in terms of Polly's money only.

5. Substituting B with 6L, and A with 2L, EQUATION 1 becomes,

6L + 2L + L = £270
9L = £270
L = £30

So, Polly has £30.

6. Substituting L into EQUATIONS 2 and 3 would give us the values for Andy's money and Phoebe's money, respectively.

A = 2L
A = 2(£30)
A = £60

Andy has £60

B = 6L
B = 6(£30)
B = £180

Phoebe has £180
5 0
3 years ago
4 in
Korolek [52]
The answer is c my guy
8 0
3 years ago
Please help I’ll mark ad brainliest
ankoles [38]

Answer:

a = lw

Step-by-step explanation:


7 0
3 years ago
Solve the following equation for x: 6(4x+5)=3 (x+8)+3
RoseWind [281]
Hello,

Shall we begin?

<span>6(4x+5)=3 (x+8)+3
</span>24x + 30 = 3x + 24 + 3
24x - 3x = 24 + 3 - 30
21x = - 3
x = -3 / 21
x = - 1/7

Answers: x = - 1/7
5 0
4 years ago
Read 2 more answers
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