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nydimaria [60]
3 years ago
7

Can someone Please Help meh‍

Mathematics
2 answers:
astra-53 [7]3 years ago
8 0

Answer: the one for 3b (8) + (-2)(7c) ; for b= 2, c= 3 is

6

Step-by-step explanation:

3b(8)+(-2)(7c)

3(2)(8)+(-2)(7)(3)

(6)(8)+(-14)(3)

48-42

6

34kurt3 years ago
4 0
The answer is 6 and i really dont wanna explain
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Ms kaimal prints out address labels on 3 sheets of paper each sheet is entirely covered in labels each label takes up 1/12 of a
RoseWind [281]

Answer:

Labels did she print is 36.

Step-by-step explanation:

Given : Ms kaimal prints out address labels on 3 sheets of paper each sheet is entirely covered in labels each label takes up \frac{1}{12} of a sheet.

To find : How many labels did she print ?

Solution :

\frac{1}{12} of a sheet takes up 1 label.

So, 1 of a sheet takes up  \frac{1}{\frac{1}{12}} label.

1 of a sheet takes up 12 label.

Then, 3 of a sheet takes up  12\times 3 label.

 3 of a sheet takes up 36 label.

Therefore, Labels did she print is 36.

6 0
3 years ago
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5. A wheel makes 726 revolutions per minute. How many<br> revolutions does it make per second?
Oksi-84 [34.3K]
12.1 per second or 12.1 • 60 seconds or a minute is 726
3 0
2 years ago
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What is 56+70-26? please show work!
Nina [5.8K]
Well Step 1 is to do 56-26.
56
+70
=126  So we did that and it came out to 126.
    Now we have to do 126-26.
126
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=100 in which 100 is your FINAL ANSWER!!!!
8 0
3 years ago
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Find the exact value of: sin13pi/8
Vikentia [17]
Sin(13π/8) , is in quadrant IV so the angle will be negative, find the reference angle. 

<span>sin(13π/8) = -sin(16π/8 - 13π/8) = -sin(3π/8) = -cos(4π/8 - 3π/8) = - cos(π/8). </span>

<span>Use half angle formula for cos(x): </span>
<span>cos²(x/2) = (cos(x) + 1) / 2 </span>
<span>Let x = π/4 </span>
<span>cos²(π/8) = (cos(π/4) + 1) / 2 </span>
<span>cos²(π/8) = (√(2) / 2 + 1) / 2 </span>
<span>cos(π/8) = √(√(2) / 4 + 1/2) </span>

<span>-cos(π/8) = -√((√(2) + 2) / 4)</span>
7 0
4 years ago
Read 2 more answers
Joe started his homework at 4.15 pm.
solniwko [45]
5:30pm

just add 30 mins to 4:15pm which is 4:45pm then add the 45 mins to that which becomes 5:30pm
8 0
3 years ago
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