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Papessa [141]
3 years ago
10

Write the standard equation of a circle with center (0,3) and radius 7

Mathematics
1 answer:
schepotkina [342]3 years ago
5 0

x^{2}  + y^{2}  = ... \\  {x}^{2}  +  {y}^{2}  =  {7}^{2} \\  {x}^{2}  +  {y}^{2}  = 49

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2/3(x-2)=-2<br>how would I solve this ​
xeze [42]

Answer:

x =(5/3)

Step-by-step explanation:

The given expression is \frac{2}{3(x-2)}  = -2

Now to simplify it,

The first step is to cross multiply.

So, the expression becomes

\frac{2}{(-2)}  = 3(x-2)

or, -1  = 3x - 6

⇒  3x = -1 + 6

⇒ 3x = 5 , or x =(5/3)

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3 years ago
The longest side of a triangle is 8 cm longer than the shortest side and 5 cm longer than
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4 0
3 years ago
Argue whether or not you believe using a sample of students from your school's cafeteria (you recruit the next 100 people to vis
hichkok12 [17]

Answer: A. <em>Representative, since blood types are probably not different among students at the cafeteria compared to the U.S. population</em>, B. <em>Not representative, since students in the cafeteria may eat most of their meals at the cafeteria instead of eating fast food</em>

Step-by-step explanation:

I Hope that this helps! :)

7 0
3 years ago
Find a parametrization of the line in which the planes x + y + z = -6 and y + z = -8 intersect.
rewona [7]

Answer:

L(x,y) = (2,-8,0) + (0,-1,1)*t

Step-by-step explanation:

for the planes

x + y + z = -6  and y + z = -8

the intersection can be found subtracting the equation of the planes

x + y + z - ( y + z ) = -6 - (-8)

x= 2

therefore

x=2

z=z

y= -8 - z

using z as parameter t and the point (2,-8,0) as reference point , then

x= 2

y= -8 - t

z= 0 + t

another way of writing it is

L(x,y) = (2,-8,0) + (0,-1,1)*t

6 0
3 years ago
Describe the process of rewriting the expression Please Help
Mazyrski [523]

Answer:

x^{\frac{21}{4} }

Step-by-step explanation:

Given expression is:

(\sqrt[8]{x^7} )^{6}

First we will use the rule:

\sqrt[n]{x} = x^{\frac{1}{n} }

So for the given expression:

\sqrt[8]{x^{7}}=(x^{7} )^{\frac{1}{8} }

We will use tha property of multiplication on powers:

=x^{7*\frac{1}{8} }

= x^{\frac{7}{8} }

Applying the outer exponent now

(x^{\frac{7}{8} })^6

= x^{\frac{7}{8}*6 } \\= x^{\frac{42}{8} }\\= x^{\frac{21}{4} }

8 0
2 years ago
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