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aksik [14]
2 years ago
9

PLS HELP! picture of the math problem down below... tysm!

Mathematics
1 answer:
Dmitry_Shevchenko [17]2 years ago
4 0

Answer:

1/a+b+c=1/a+1/b+1/c

Step-by-step explanation: I could be wrong but I tried.

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PLS HELP WITH THIS MATH
laiz [17]
I think it’s 28.35

54/100 x 5 = 2.7
54 + 2.7 = 56.7
56.7/100 x 50 = 28.35
56.7 -28.35 = 28.35
6 0
3 years ago
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He simultaneous equations<br>5x + y = 21<br>x - 3y = 9 <br><br>With working out​
Elza [17]

Answer:

see explanation

Step-by-step explanation:

Given the 2 equations

5x + y = 21 → (1)

x - 3y = 9 → (2)

Multiply (1) by 3 and add the result to (2) to eliminate y term

15x + 3y = 63 → (3)

Add (2) and (3) term by term

(x + 15x) + )- 3y + 3y) = (9 + 63)

16x = 72 ( divide both sides by 16 )

x = 4.5

Substitute x = 4.5 into (1) for corresponding value of y

22.5 + y = 21 ( subtract 22.5 from both sides )

y = - 1.5

Solution is (4.5, - 1.5 )

8 0
3 years ago
Given log3 2=0.631 log3 7=1.771 what is log3 14?
Leni [432]
In logarithm, inverse operations are applied.
log_3{14} =  log_3{7} +   log_3{14} \\ log_3{14} = 0.631 + 1.771 \\log_3{14} = 2.402
5 0
3 years ago
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URGENT URGENT URGENT!!!<br> HELP PLEASE!!
viva [34]

Answer:

Step-by-step explanation:

I think it’s b correct me if I’m wrong

3 0
3 years ago
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Csc A - sin A = <br><br> A. (cos^2A) / (sinA)<br> B. (1 - sinA) / (sinA) <br> C. (1 - sinA) / (cosA)
julsineya [31]

Answer:

A) \frac{cos^2A}{sinA}

Step-by-step explanation:

cscA-sinA\\\\\frac{1}{sinA}-sinA\\ \\\frac{1}{sinA}-\frac{sin^2A}{sinA}\\ \\ \frac{1-sin^2A}{sinA}\\ \\\frac{cos^2A}{sinA}

4 0
3 years ago
Read 2 more answers
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