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mariarad [96]
3 years ago
14

I need this Now (2x + 1)²

Mathematics
2 answers:
Alla [95]3 years ago
7 0

Answer:

4x² + 4x + 1

Step-by-step explanation:

We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.

Angelina_Jolie [31]3 years ago
3 0

Answer:

(2x)^2  + 2(2x)(1) + (1)^2

4x^2 + 4x + 1

Step-by-step explanation:

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The value of y varies jointly with x and z. If y = 7 when z = 196 and x = 2, find the value of y when x = 3 and z = 336. I will
eimsori [14]

Answer:

18

Step-by-step explanation:

Given that:

y∞ xz

y=kxz. Where k is constant

When z=196 and x= 2 then y= 7

7=(196)(2)k

7=392k

k=1/56

There fore y=(1/56)xz

When x=3 and z =336

y=(1/56)xz

y=(1/56)(336)(3)

y=18

8 0
3 years ago
Kim, Laura and Molly share £385 The ratio of the amount of money Kim gets to the amount of money Mollly gets is 2:5 Kim gets £10
Thepotemich [5.8K]
<span><span>Molly: 105 x 05/02 = 42</span>
Kim: 105-42</span> = 63
<span> Laura: 385-105 = 280
           280 x 100/385</span><span> = 72%
Donc Laura obtient  72</span>% 
5 0
3 years ago
Please help, this is due tonight
dolphi86 [110]

Answer:

It's B

Step-by-step explanation:

Just divide y by x. For example: 6.6 / 6 = 1.1. This would be B! Hope this helps!

6 0
3 years ago
Read 2 more answers
Can somebody explain Literal equations to solve for a given variable? i am so confused about it
anastassius [24]

The explanation of using Literal equations to solve for a given variable is as explained below.

How to solve Literal Equations?

Literal equations are equations containing two or more variables; at least one independent variable and one dependent variable

To solve a literal equation means to rewrite the equation so a different variable stands alone on one side of the equals sign. We have to be told for which variable we want to solve.

Linear equations in one variable may take the form ax + b = 0  and are solved using basic algebraic operations.

We begin by classifying linear equations in one variable as one of three types: identity, conditional, or inconsistent. An identity equation is true for all values of the variable.

Read more about Literal Equations at; brainly.com/question/1852246

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8 0
1 year ago
4267 divided by 31 in mixed number form
Rainbow [258]
Mixed Number Form:
<span>137 </span>\frac{20}{31}
8 0
3 years ago
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