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WITCHER [35]
3 years ago
7

Can someone help me plz

Mathematics
1 answer:
natali 33 [55]3 years ago
3 0

Answer:

Step-by-step explanation:

correct equation is n - 31 = 52

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Which is bigger three sevenths or two fifths
Sauron [17]
3/7 is 0.42 and 2/5 is 0.4. Therefor 3/7ths is bigger
7 0
3 years ago
Which property best justifiies why the two expressions below are equivalent? 3(m+5)=3m+15
nadya68 [22]
The answer is the distributive property because it states that if you have a number multiplied by a quantity, you can just multiply that number by each of the terms in the quantity. For example, a(x+y)=ax+ay.

Hope this helps!
4 0
3 years ago
I don’t understand how to do this problem and get all the other answers, if you can help me that would be great!
Alecsey [184]

Answer:

Step-by-step explanation:

You can’t just substitute 0 for θ. 0 is a constant, not a variable.

secθ = -13/5

cosθ = 1/secθ = -5/13

sin²θ = 1 - cos²θ = 144/169

sinθ = -12/13

cscθ = 1/sinθ = -13/12

tanθ = sinθ/cosθ = 12/5

cotθ = 1/tanθ = 5/12

8 0
2 years ago
21. What is the value of x if 5:(3x+2) = 7:(5x-2).<br>A. 6<br>B. 5<br>C.7.​
KatRina [158]

Answer:

5/(3x+2) = 7/(5x-2)

<=>5*(5x-2) = 7*(3x+2) (x is not equal to -3/2 or 2/5)

<=> 25x -10 = 21x +14   (x is not equal to -3/2 or 2/5)

<=> 4x = 24                   (x is not equal to -3/2 or 2/5)

<=> x = 6 (valid)

6 0
2 years ago
Angle 3 is a supplement of angle 4. If the m of angle 3 is 100 degrees, what is the m of angle 4?
Triss [41]

Answer: 80

Step-by-step explanation: Supplements mean they add up to 180. is m of 3 is 100, then m of 4 must be 80 to add up to 180. Hope this helps!

7 0
2 years ago
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