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Korvikt [17]
3 years ago
14

Square the binomial(2x - 3)²​

Mathematics
1 answer:
n200080 [17]3 years ago
6 0

Step-by-step explanation:

Change it into this

(2x-3)(2x-3)

Then multiply the insides and outsides and add them

(2x*2x) + (2x* -3) + (-3*2x) + (-3*-3)

Simplify

4x^2 - 6x -6x + 9

Simplify again

4x^2 - 12x + 9

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X<br> - 78.3<br> = -66.5<br> -66.5 -<br> =
Marizza181 [45]

Answer:x= -54.7

Step-by-step explanation:

-66.5-66.5= -133+ 78.3= -54.7

6 0
3 years ago
Sheet of paper.<br> 1. y&lt;4
TiliK225 [7]
Is there any more to the question? i’m confused
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the formula for glue says to add 60 ml of hardener to each container of resin. How much hardener should be added to 15 container
Aleonysh [2.5K]

Answer:

0.9 L of hardener

Step-by-step explanation:

Find the total mL then convert into L

60*15=900

900mL=0.9


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3 years ago
What is the length of the ladder? It is 6 ft. from the house at the bottom and touches the wall 14 ft. up at the top. Simplify y
Sauron [17]

Answer:

15.2

{c }^{2}  =  {a}^{2}    +  {b}^{2}  \:  \\  {c}^{2}  ={6}^{2}  +  {14}^{2}  \\  {c}^{2}  = 36 + 196  \\  {c}^{2}  = 232 \\  \sqrt{c }  =  \sqrt{232}  \\ c = 15.23154621

4 0
2 years ago
It is commonly assumed that babies are equally likely to come as either a boy or a girl. This is not true. Actually, about 51.3%
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Answer: 0.263169

Step-by-step explanation:

Since for every child there is two outcomes (either a boy or a girl), so it is a binomial distribution.

Let x = Number of boys

Given: probability that a child is a boy: p= 0.513

Binomial distribution formula : P(X=x)=^nC_xp^x(1-p)^{n-x}

Now, the probability that  both children are boys= P(X=2)=^2C_2(0.513)^2(1-0.513)^0

=(1)(0.513)^2(1)\\\\=0.263169

The chance both children are boys = 0.263169

3 0
2 years ago
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