MATHEMATICS MIDDLE SCHOOL

OK 2 POINT FOR RIGHT ANSWER

65.77pi x 663.23455pi / 9 xpi

Answers

Answer 1
Answer:
                   65.77π  x  663.23455π  /  9π

             =     (65.77 x 663.23455 / 9) π

             =          4,846.770706... π         (rounded)

             =        15,226.57924             (rounded)

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Is this right ? If not can you please fix this ?

Answers

10+8 is 18 and there r 8 ones and one ten
so it's 18
Yes it's right :)

10+8=18

2cos^2x+sinx=2 domain restriction 0,2pi

Answers

2\cos ^( 2 ){ x } +\sin { x } =2\n \n 2\left( 1-\sin ^( 2 ){ x } \right) +\sin { x } =2\n \n 2-2\sin ^( 2 ){ x } +\sin { x } =2

\n \n 2\sin ^( 2 ){ x } -\sin { x } +2-2=0\n \n 2\sin ^( 2 ){ x } -\sin { x } =0\n \n \sin { x } \left( 2\sin { x } -1 \right) =0

\therefore \quad \sin { x } =0\n \n \therefore \quad x=0,\quad \pi ,\quad 2\pi

\therefore \quad 2\sin { x } -1=0\n \n 2\sin { x } =1\n \n \sin { x } =\frac { 1 }{ 2 } \n \n \therefore \quad x=\frac { \pi }{ 6 } ,\quad \frac { 5\pi }{ 6 }

Together sarah and max brought in 24 cookies to share with the class. Sarah brought in 7 cookies. Write an equation to find out how many cookies brought in.

Answers

Answer:

The answer is;

x = 24 -7  or 7 + x = 24

Sarah brought in 7 cookies. Max brought in 17 cookies. The both of them together brouhght in 24 cookies.

Step-by-step explanation:

Since the question is a little vague in understanding, I'm going to assume we are figuring out how many cookies Max brought in.

If you are asking for how many cookies Max brought in, you would need to isolate x and create an equation. For this you can either have x = 24 - 7 or

7 + x = 24.

What is the radius of a circle whose diameter is 3 1/2 in?

Answers

Answer:

1.75 inches

Step-by-step explanation:

d=2r

Substitute 2.5 in for diameter

3.5=2r

Divide by 2 on both sides

r=1.75 inches

Hope this helps! :)

Answer:

1.75

Step-by-step explanation:

radius is always half of what the diameter is

3.5 divided by 2 = 1.75

Hope this helps!!

Give me as many digits of pi as you can remember?

Answers

3.1415926 thats all i remember lol hope this helps

Jack is at a shop and sees than 5 antiques cost $10.he need 30 antiques cost

Answers

your answer would be 60 hope this help because if you count by 5 to thirty you end up with six fingers up and 10 times 6 is 60 :)
30 antiques would cost $60 because since 5 cost $10 and 5*6= 30, 10*6=60
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