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Eddi Din [679]
3 years ago
11

will give brainliest plz help asap this is my friends question and she needs It soon. Factorise these expressions

Mathematics
2 answers:
ruslelena [56]3 years ago
7 0

Answer:

a. (x+19)(x+1)

b. (z-1)(z-1)

c. 3(2x-3)

Step-by-step explanation:

a. x^2+20x+19

(x+19)(x+1)

b. z^2-2z+1

(z-1)(z-1)

c. 9(x-1)-3x

9x-9-3x

6x-9

3(2x-3)

Virty [35]3 years ago
6 0

Answer:

Would have said the same thing!

Step-by-step explanation:

My bad man! I was to late...

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Find the area of a swimming pool that is 23.15ft. long and 123ft wide. Show your work
Mariana [72]

Answer:

The area of the swimming pool is 2,847.45ft, assuming this pool is a rectangle.

Step-by-step explanation:

A=l*w

A=23.15*123

A=2847.45ft

8 0
4 years ago
What is the sum of the interior angle measures of a convex irregular pentagon?
Wittaler [7]

Answer:

540 degrees.

Step-by-step explanation:

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For a pentagon, with 5 sides it is 180(5 - 2)

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4 years ago
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3 years ago
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A paintball court charges an initial entrance fee plus a fixed price per ball.
m_a_m_a [10]

Answer : The cost of 10 balls will be, 13.5 dollars

Step-by-step explanation :

As we are given the following expression:

P=0.80\times n+5.50

where,

P = total price (in dollars)

n = number of balls used

Given:

n = number of balls used = 10

Now we have to determine the cost of 10 balls.

P=0.80\times n+5.50

P=0.80\times (10)+5.50

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Thus, the cost of 10 balls will be, 13.5 dollars

4 0
3 years ago
Can someone please help me out with a small explanation thank you :)
deff fn [24]

Step-by-step explanation:

1 . when we collect like terms we only focus on the variables and the power of the variable I f exist so in this question the answer is 8x^2 because both have the same variable and same power or exponent.

2. one term is monomial

two terms is binomial

3. b

4. -9

5. c

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