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ra1l [238]
3 years ago
6

Find exact value for cos(pi/16)

Mathematics
1 answer:
stellarik [79]3 years ago
6 0
The exact value for cos(pi/16) would be :

cos (pi/16) =  +/-  √1+cosa/2

cos (pi/4) = sqrt2/2

Hope this helps
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Find the value of the x
Bingel [31]

Answer:

answer is 103

Step-by-step explanation:

25+52+x=180

x=77

subtract 180 - 77 = 103

answer is 103

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8 0
3 years ago
Order the numbers from least to greatest.<br> 1/8, 5/7, 0.35,0.39, 9/10
Anna11 [10]

Answer:

1/8, 0.35, 0.39, 5/7, 9/10

Step-by-step explanation:

1/8 = 0.125

5/7 = 0.714

0.350

0.390

9/10 = 0.900

now let's order them from least to greatest:

0.125 , 0.350 , 0.390 , 0.714 , 0.900

= 1/8, 0.35, 0.39, 5/7, 9/10

if you have trouble with these types of problems change them all into decimals which will make things easier!

:D

6 0
3 years ago
Read 2 more answers
The product of 5 and m squared,increased by the sum of the square of m and 5
Harrizon [31]
The product (multiplication) of 5 and m squared (²) increased (addition) by the sum (addition) of the square (²) of m and 5.

(5m²) + (m² + 5)
5 0
3 years ago
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-3x + 7y = -1<br> - 2x + 5y=0
Talja [164]
(X,Y) = (9/13 , 2/13)
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3 years ago
What is 7 devided by 245 and show work
agasfer [191]

1. <span>Set up the long division.
</span>
<span>245/7</span>

2. <span>Calculate 700 ÷ 245, which is 2 with a remainder of 210.
</span>
<span><span>0.02</span><span>245/7.</span><span>4.90</span><span>2.10</span></span>

3. <span>Bring down 0, so that 2100 is large enough to be divided by 245.
</span>
<span><span>0.02</span><span>245|/.</span><span>4.90</span><span>2.100</span></span>

4. <span>Calculate 2100 ÷ 245, which is 8 with a remainder of 140.
</span>
<span><span>0.028</span><span>245|/.</span><span>4.90</span><span>2.100</span><span>1.960</span><span>140</span></span>

5. <span>Bring down 0, so that 1400 is large enough to be divided by 245.
</span>
<span><span>0.028</span><span>245/7.</span><span>4.90</span><span>2.100</span><span>1.960</span><span>1400</span></span>
6. <span>Calculate 1400 ÷ 245, which is 5 with a remainder of 175.
</span>
<span><span>0.0285</span><span>245|7.</span><span>4.90</span><span>2.100</span><span>1.960</span><span>1400</span><span>1225</span><span>175</span></span>

7. <span>Therefore, 7 divided by 245 approximately equals 0.0285
</span><span><span>7÷245≈0.0285</span></span>

8. <span>Simplify
</span><span><span><span>0.0285  <------------- Answer :) </span></span>
</span>

8 0
3 years ago
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