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Zarrin [17]
3 years ago
14

Solve the two-step equation. -0.45x + 0.33 = -0.66 What is the solution?

Mathematics
2 answers:
Reika [66]3 years ago
5 0
X=2.2

Reduce so -0.45x = -0.99
Divide so that x =2.2
I am Lyosha [343]3 years ago
3 0

Answer:2.2

Step-by-step explanation:

Boo

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If the area of a square is 1 square meter, how many centimeters long is each side?
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Answer:

100 centimeters

Step-by-step explanation:

Area of a square is side x side= s x s or s²

If s² = 1 square meter

s = √1 = 1 meter

Each side is 1 meter.  To convert to centimeters multiply by 100 since there are 100 centimeters in 1 meter.

Each side is 100 centimeters

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6. Find the distance between the two points: (3,-1) and (7.-5). Round to<br> the nearest tenth. *
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3 years ago
Circle C has a center at (-2,10) and contains the point P(10,5). Which equation represents circle C?
Rina8888 [55]

Answer:

The equation that represents circle C is (x+2)^2+(y-10)^2=169.

Step-by-step explanation:

A circle is the set of all points in the plane which maintains a fixed finite distance <em>r</em> from a fixed point <em>O = (a, b)</em>. Here <em>O</em> is called the center, and <em>r</em> is called the radius of that circle.

The standard equation for a circle with center (a, b) and radius <em>r</em> is

                                        (x-a)^2+(y-b)^2=r^2

We are told that the center of this circle is (-2, 10), so

                                        (x+2)^2+(y-10)^2=r^2

We are also told that the circle contains the point  (10, 5), so we will use that information to find the radius <em>r.</em>

<em />(10+2)^2+(5-10)^2=r^2\\\\r^2=\left(10+2\right)^2+\left(5-10\right)^2\\\\r^2=12^2+5^2\\\\r^2=144+25\\\\r^2=169\\\\r=\sqrt{169}=13<em />

Therefore, the equation that represents circle C is

(x+2)^2+(y-10)^2=13^2\\\\(x+2)^2+(y-10)^2=169

7 0
3 years ago
A triangle had side measures of 7, 7, and 14. Does this form a triangle?
Tasya [4]

 -79,000  +  45,34444444444=5.65

6 0
4 years ago
Read 2 more answers
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