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ki77a [65]
3 years ago
13

mr. duc asked perry to set up 450 chairs in a large hall. perry puts 20 chairs in each row. he has already set up 15 rows of cha

irs. how many more chairs must he set up?
Mathematics
2 answers:
Brums [2.3K]3 years ago
6 0
The number of chairs that still  need to be set up are 150.
beks73 [17]3 years ago
4 0

Answer:

The number of chairs that still  need to be set up are 150.

Step-by-step explanation:

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Change the equation of the circle x^2+14x+y^2-10y=14x 2 + 14 x + y 2 − 10 y = 14 into center-radius form of a circle.
jonny [76]

Answer:

The answer to your question is      (x + 7)² + (y - 5)² = 88

Step-by-step explanation:

Equation

                     x²  +  14x  +  y²  - 10y   =  14

Complete perfect trinomial squares

                     x² + 14x + (7)² + y² - 10y + (5)² = 14 + (7)² + (5)²

Simplify

                     x² + 14x + (7)² + y² - 10y + (5)² = 14 + 49 + 25

                     x² + 14x + (7)² + y² - 10y + (5)² = 88

Factor

                     (x + 7)² + (y - 5)² = 88   This is the equation in the form

                     center-radius

7 0
3 years ago
Will is w years old <br> Ben is 3 years older <br> Write an expression, in terms of w, for bens age
Westkost [7]
Ben is w+3 years old.
7 0
3 years ago
Someone help me figure this out
Lena [83]

-6, because you can see a pattern in which the x coordinate of each pair is reversed to the opposite value, from positive to negative.

5 0
3 years ago
Read 2 more answers
2) Write an equation that passes through the<br> point (-2,5) and is parallel to y ==x+1.
Marta_Voda [28]

Answer:

y = x + 7

Step-by-step explanation:

5 = -2 + b

7 = b

y = x + 7

* Parallel lines have SIMILAR <em>RATE</em><em> </em><em>OF</em><em> </em><em>CHANGES</em><em> </em>[<em>SLOPES</em>], so 1 remains the way it is.

I am joyous to assist you anytime.

4 0
3 years ago
Factor 16b^2 - 40b +25
WINSTONCH [101]
Your answer will be,

ANSWER: (4b - 5)^2

You're welcome :)
4 0
3 years ago
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