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kumpel [21]
3 years ago
15

Answer please and explain

Mathematics
1 answer:
mash [69]3 years ago
6 0
So, the formula for this one is:

C = 2πr
(use 3 for pi again)

so substitute the numbers:

C = 2 x 3 x 2

and the answer is 12
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Extended Response
Sonbull [250]

Answer:

The Coordinate of the vertices of Parallelogram RSTU are R(0,0), S(2,3),T(6,3) and U (4,0).

we have to find the vertices of a point which cuts the side of parallelogram ST  .It is given that line y = x passes through R.

Suppose that it cuts the side ST at M (p,q).

Equation of line passing through T(6,3)and S (2,3) is

\frac{y-3}{x-2}= \frac{3-3}{6-3}\\\frac{y-3}{x-2} = 0\\y- 3=0

it passes through (p,q)∴

∴ q -3 =0     ...........(1)

Line y=x passes through (p,q).

p -q=0

p=q

Equation (1) becomes

p= q=3

So the line y =x cuts TU at M (3,3).




3 0
3 years ago
An Apple iPad sells for $699.00 on eBay. The markup is 30% on cost. What is the total cost of the iPad
Andru [333]
The cost of ipad = 699$
the markup = 30%
1%  = 699/100 = 6.99$
30% = 6.99 x 3 = 209.7$
the markup = 209.7$
the total cost of the ipad = 699 + 209.7 = 908.7$

4 0
3 years ago
One-third of a number yields twelve. Which equation could be used to find the number?
LenaWriter [7]

Answer:

1/3n=12

Step-by-step explanation:

The reason why it is 1/3n=12, is because you know that the number in front of n is 1/3. By figuring that out, you have already ruled out 3n=12 and 3n=-12. Finally, you know that 12 is a positive number leaving you with 1/3n=12.

4 0
3 years ago
Read 2 more answers
In triangle ABC mzA -45, mzB = 40", and a = 7. Which equation should you<br> solve to find b?
yaroslaw [1]

Answer:

Option A. \frac{sin(45\°)}{7}=\frac{sin(40\°)}{b}

Step-by-step explanation:

we know that

Applying the law of sines in the triangle ABC

\frac{sin(A)}{a}=\frac{sin(B)}{b}

substitute the given values

\frac{sin(45\°)}{7}=\frac{sin(40\°)}{b}

b=\frac{7}{sin(45\°)}sin(40\°)\\\\b=6.4\ units

6 0
3 years ago
Someone please answer all these for me!
Monica [59]

1. √18

2. M + N

3. 14

4. 26

5. Irrational

7 0
4 years ago
Read 2 more answers
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