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yuradex [85]
3 years ago
7

What is the sum of the first four composite numbers?

Mathematics
2 answers:
Naily [24]3 years ago
8 0
The sum of the first four composite numbers is 27. ( 4+6+8=9)
Komok [63]3 years ago
5 0
The first four are 4+6+8=9 
so the answer will be 27
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A pecan pie is being served for dessert. One piece of pie has an arc length of 7.85 in. It has been cut into 8 equal pieces. Wha
pishuonlain [190]

Answer: 10 inches.

Step-by-step explanation:

Since the pecan pie is a circle, you can use this formula:

arc\ length=r\theta

Where "r" is the radius and \theta is the central angle of the arc in radians.

If the pecan pie has been cut into 8 equal pieces then the central angle is:

\theta=\frac{2\pi}{8}\\\\\theta={\frac{\pi}{4}

Now you know the arc length and the central angle, then, you can solve for "r" from  arc\ length=r\theta:

 \frac{arc\ length}{\theta} =r

Substituting values, you get that the radius of the pecan pie rounded to the nearest whole number is:

r=\frac{7.85in}{\frac{\pi}{4}}\\\\r=10in

8 0
3 years ago
(DONT ANSWER UNLESS UR IN MY FRIEND GROUP AND WANT ALOT OF NOTIFS) <br> Solve: 23x-44+45/23
Pie

Answer:

69

Step-by-step explanation:

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3 0
2 years ago
I need help to these questions. Convert these fractions to a decimal 7/8 , 4 3/8. Thanks
ehidna [41]
Simple...

you have: \frac{7}{8} and 4 \frac{3}{8}

Now, the first one is easy just divide it...

\frac{7}{8} =0.875

Now....

4 \frac{3}{8}    needs to be converted...

Multiply the whole number*denominator...

4*8=32

Now add the numerator....

32+3=35

Now use the original denominator...

\frac{35}{8}

Now divide...

\frac{35}{8}=4.375&#10;

Thus, your answer.
7 0
2 years ago
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2 years ago
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Sphinxa [80]

92631

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