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Schach [20]
3 years ago
7

5.51 ÷ 0.20 Find the quotient

Mathematics
2 answers:
lutik1710 [3]3 years ago
6 0

Answer:

27.55

Step-by-step explanation:

serious [3.7K]3 years ago
6 0

Answer:

The answer is 27.55.

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2x+y=5 solve for y (please show work)
nasty-shy [4]

Answer:

subtract y from both sides

y=-2x+5

Step-by-step explanation:

3 0
3 years ago
Yesterday the student councils bank account balance was -$54.31. Today the balance is $65.10. What is the change in dollars in t
uysha [10]
-$69.68 is your answer if I hope that this is correct.
3 0
3 years ago
In the diagram below, m
SCORPION-xisa [38]

Answer:

m<CGE: 86

Step-by-step explanation:

<CGE:

64 + 30 + x = 180

94 + x = 180

x = 86

6 0
3 years ago
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Find+the+positive+value+for+α+if+the+radius+of+the+circle+3x^2+3y-6αx+12y-3α=0+is+4
Alik [6]

Answer:

\alpha=3

Step-by-step explanation:

<u>Equation of a Circle</u>

A circle of radius r and centered on the point (h,k) can be expressed by the equation

(x-h)^2+(y-k)^2=r^2

We are given the equation of a circle as

3x^2+3y^2-6\alpha x+12y-3\alpha=0

Note we have corrected it by adding the square to the y. Simplify by 3

x^2+y^2-2\alpha x+4y-\alpha=0

Complete squares and rearrange:

x^2-2\alpha x+y^2+4y=\alpha

x^2-2\alpha x+\alpha^2+y^2+4y+4=\alpha+\alpha^2+4

(x-\alpha)^2+(y+2)^2=r^2

We can see that, if r=4, then

\alpha+\alpha^2+4=16

Or, equivalently

\alpha^2+\alpha-12=0

There are two solutions for \alpha:

\alpha=-4,\ \alpha=3

Keeping the positive solution, as required:

\boxed{\alpha=3}

8 0
3 years ago
PLS HELP WILL MARK YOU BRIANLIEST
Rasek [7]

Answer:

Area=210

perimeter=66

Step-by-step explanation:

A=a+b(h)/2

P=a+b+c+d

8 0
3 years ago
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