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polet [3.4K]
3 years ago
7

I’m so confused! Please help! :)

Mathematics
1 answer:
s2008m [1.1K]3 years ago
8 0

Answer:

The answer is 18.84

Step-by-step explanation:

The diameter is 6.

Circumference = d\pi

6 * 3.14 = 18.84

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Angle m AOC=108° m AOB=3x+4° m BOC=8x-28°<br><br> Find m AOB
Alex787 [66]

Hello from MrBillDoesMath!

Answer:

40



Discussion:

A diagram is always appreciated!

Assuming that

mAOC = mAOB    + mBOC       =>

108      = (3x + 4)  +  (8x - 28)    =>  combine common terms

108      = (3x + 8x) + (4 - 28 )     =>

108      = 11x - 24                        =>   add 24 to both sides

132     = 11x                                 =>

x = 132/11 = 12


So mAOB = 3x + 4 = 3(12) + 4 = 36 + 4 = 40



Thank you,

MrB

4 0
3 years ago
AHHH HELPPP ME PLEASEE
Mamont248 [21]

Answer:

the third one is hard to see i think its 77 so the answer is 54.75

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Albert was paid $85 for washing
ivann1987 [24]

Answer:

$340

Step-by-step explanation:

85 x 4 = 340.

Because 85 = 1/4, 4/4 = 85 x 4 = 340

8 0
3 years ago
Solve the following system of equations. 2x + y = 3 x = 2y - 1 Make sure there are NO SPACES in your answer. Include a comma in
mrs_skeptik [129]

Answer:  x=1;y=1 or (1,1)

Step-by-step explanation:

You can apply the Method of substitution.

Knowing that  x = 2y - 1 (second equation), you can substitute it into the first equation and solve for the variable y:

2x+y=3\\2(2y - 1)+y=3\\4y-2+y=3\\5y=3+2\\5y=5\\y=1

Now you need to substitute y=1 into the second equation x = 2y - 1 to calculate the value of the variable x. Then:

x = 2(1) - 1\\x=2-1\\x=1

Then, the solution is:

x=1;y=1 or (1,1)

5 0
3 years ago
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A shipping crate is packed with unit cubes. The length of the crate is 4
aleksley [76]

Answer:

The volume of shipping crate is 32 unit cubes.

Step-by-step explanation:

Given that:

Length of the crate = 4 units

Width of the crate = 2 units

Height of the crate = 4 units

Volume of shipping crate = Length * Width * Height

Volume of the crate = 4 * 2 * 4

Volume of crate = 32 unit cubes.

Hence,

The volume of shipping crate is 32 unit cubes.

7 0
3 years ago
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