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Vladimir79 [104]
4 years ago
14

Please answer this correctly

Mathematics
2 answers:
11111nata11111 [884]4 years ago
7 0

Answer:

2 hour 21 minutes

Step-by-step explanation:

fenix001 [56]4 years ago
3 0

Answer:

2 hrs and 21 mins I think

Step-by-step explanation:

I subtracted 328-147 and got 181 and since their is 60 mins in one hr I made it another hour and after I subtracted 81-60 and got 21 minutes. 2 hrs and 21 mins. Hope this makes sense.

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Please helpppppppppppppp
Helen [10]

Answer:

90/23

Step-by-step explanation:

First, you want to start in the parentheses. 5-6=-1, then multiply it by -2. Since a negative multiplied by a negative is a positive, -2*-1=2. -3^2=-9. 2+8=10. Then -9 times 10= -90. Then, we move on to the bottom. 5--2=7. 4^2=16, and -2(2)=-4. So -5(7) + 16-4=-23. Now, the equation should look like this, -90/-23. Put the negatives together and you get 90/23.

6 0
3 years ago
Describe how to use a tens fact to find the difference for 15 -8 on a second grade level
Marat540 [252]
Subtract 15 from 8 and you'll get if then you take 10- your answer which in this case is 7 and you get 10-7=3
hope this helpful and what you needed.
3 0
4 years ago
Find the value of sin θ, if tan θ=4; 180° < θ <270°
Nana76 [90]
You can use the identity
\sin(x)=\sqrt{\dfrac{\tan(x)^{2}}{1+\tan(x)^{2}}}\\\\=-\sqrt{\dfrac{4^{2}}{1+4^{2}}}\\\\=-\sqrt{\dfrac{16\cdot 17}{17\cdot 17}}=\dfrac{-4\sqrt{17}}{17}

The sign is negative because the angle is in the 3rd quadrant.

This corresponds to ...
  a. -(4√17)/17
4 0
3 years ago
12345678910 Using the greatest common factor for the terms, how can you write 80 + 32 as a product?
Romashka-Z-Leto [24]
Find the GCF of 80 and 32.  

I'd start by identifying possible integer factors of both 80 and 32:
80:  {1,2,4,5,8,10,16,20, 40, 80}

32:  {1, 2,4, 8, 16, 32}

Working backwards, we see that the first factor that is represented in both lists is 16.  Is 80 evenly divisible by 16?  Yes; the quotient is 5.
                  Is 32 evenly divisible by 16?  Yes; the quotient is 2.

You could writet 80 + 32 as 16(5 + 2).  This is a product equal to 112, just as 80 + 32 = 112.
5 0
4 years ago
Solve <br> 2x+y=7 for y<br><br> y=[]
VMariaS [17]

Answer:

Step-by-step explanation:

ok so y= 7-2x just need to move 2x to the other side

3 0
3 years ago
Read 2 more answers
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