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krok68 [10]
3 years ago
5

Expand & simplify: (x - 1 )(x - 1)

Mathematics
2 answers:
andrey2020 [161]3 years ago
5 0

Answer:

x^2 -2x+1

Step-by-step explanation:

(x - 1 )(x - 1)

FOIL

first: x*x = x^2

Outer: -1x

inner: -1x

Last: -1*-1 = 1

Add these together

x^2 -1x-1x+1

x^2 -2x+1

bearhunter [10]3 years ago
5 0

Answer:

x² - 2x +1

Step-by-step explanation:

(x - 1) (x - 1)

x(x - 1) - 1(x - 1)

x² - x - x + 1

x² -2x + 1

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Please help with this question, thank you
Semmy [17]
Remark
The key step is just to subtract 5 from both sides. The pointed of the inequality still points away from the variable and towards the number. As long as that remains true, the correct answer can be found.

Solution
2.7 ≤ b + 5  Subtract 5 from both sides.
2.7 - 5 ≤ b
- 2.3 ≤ b      Write with the variable on the left.
b ≥ - 2.3  <<<< answer  
6 0
3 years ago
Read 2 more answers
Max goes to school which is 5 miles away he skips 3/14 of the way and then walk the rest of the way how many miles does he skip​
baherus [9]

Answer:

1.07142857143 (1 rounded)

Step-by-step explanation:

3/14 of 5 is 1.07142857143

8 0
2 years ago
Abby has x dolls. Lauren has 9 times as many as Abby. Betsy has 7 fewer than Lauren. How many dolls do they have in all?
makkiz [27]

Answer: x + 9x + (9x - 7)

Simplified: 19x - 7

Step-by-step explanation: We see that Abby already starts off with x dolls. We put a 9 infront of the x for the second part of the expression because Lauren has 9 times as many dolls as Abby. Since Betsy has 7 less than Lauren, we take away 7 from 9x. We put that part in parenthesis because that part needs to be done first before we add everything together. Once simplified, we have "19x - 7". (I really tried my best so I hope this is the correct answer!)

5 0
2 years ago
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Solve the inequality.
Murljashka [212]
R/6<= 3
Multiply 6 on both sides
Final Answer: r<= 18
5 0
3 years ago
Read 2 more answers
A $750 televisión is on sale for 15% off.what is the total discount
yaroslaw [1]

We need to find 15% of 750.

15% * 750.

15/100 * 750

11250/100

112.5

So that means the sale is 112.5 dollars

3 0
3 years ago
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