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oksano4ka [1.4K]
3 years ago
11

Circle the vertex of the angle.

Mathematics
1 answer:
Zina [86]3 years ago
5 0

Answer: B

Step-by-step explanation:

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38 kg of onions cost $144.40. how much would 49 kg cost?
Lerok [7]

Answer:

$186.2

Step-by-step explanation:

   38 kg costs $144.40

∴ 1 kg costs = \frac{144.40}{38}  = $3.8

   49 kg costs = 3.8  x  49

                        = $186.2

7 0
2 years ago
Read 2 more answers
2. Circle C, has center (0,0) and radius 2.
adell [148]

Answer:

2. x ²  +  y ² =  4

3. x² + y² = 23

Step-by-step explanation:

The equation of a circle with center  

( a , b )  and radius  r  is:

( x − a )²   +  ( y − b ) ² =  r ²

Explanation:

Here,

 a = 0 ,  b = 0 ,  r = 2  

The equation is:

( x -0 ) ² +  ( y -0 ) ² =  ( 2  ) ²

that is:  x ²  +  y ² =  4  

Thus:

x ²  +  y ² =  4

3. Each point on a circle has the same distance from the center. This distance is the radius  r  of the circle.

 Here, ( -3 , 4 )  is a point on the circle, meaning that the radius of the circle is the distance between  ( 0 , 0 ) , the center, and  ( -3 , 4 ) .

thus  a circle centered on the origin will have an equation of:

x² + y² =r²

And,  ( -3 , 4 )  lies on the circle, we have:

(-3)² + (4)² = r²

9 + 14 = 23

substituting;

x² + y² = 23

8 0
3 years ago
A shipping box is shown below how many cubic feet will the shipping box hold
Feliz [49]

Answer

42

Step-by-step

3 0
3 years ago
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Is v = 12 a solution to the inequality below?<br> V&gt; 7
KengaRu [80]

Answer: Yes

Step-by-step explanation: If V=12

Then we plug in for the inequality and get 12>7

7 0
3 years ago
16x − 7 ≤ −71<br><br> find x
My name is Ann [436]
16x-7≤-71
Add 7 to both sides
16x≤-64
Divide both sides by 16
x≤ -4

Hope this helps! :)
7 0
3 years ago
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