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RUDIKE [14]
3 years ago
15

How do i solve 20= 2a + 3a i dont need the answer, just how to do it

Mathematics
2 answers:
Pavlova-9 [17]3 years ago
3 0

Answer:

Add 2a and 3a

20 = 5a

Divide both sides by 5

a = 4

Step-by-step explanation:

Alexus [3.1K]3 years ago
3 0

Answer: a=4

Step-by-step explanation: you add 2a and 3a together then you get 20=5a. You would divide 20 by 5 and get a=4.

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The answer is A I just need help working it out
nordsb [41]
STU + STR = 180
8x + STR = 180 [ STU = 8x ]
STR = 180 - 8x

STR = SRT [ RS ≈ ST ]

Now, In ΔSRT,
we have, RST = 7x - 54, STR = SRT = 180-8x
Their sum is 180, as it constitutes a triangle.

7x-54 + 2(180-8x) = 180
7x - 54 + 360 - 16x = 180
 306 - 9x = 180
9x = 306 - 180
9x = 306 - 180
x = 126/9
x = 14

So, option A is your answer.

Hope this helps!

5 0
3 years ago
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If f(x) = (x3 + 25), find the inverse of f.
irakobra [83]

Answer:

Dear user,

Answer to your query is provided below

Inverse is 3√(x-25)

Step-by-step explanation:

Explanation of the same is attached in image

3 0
3 years ago
Can someone help me with this question
Ad libitum [116K]
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B) The slope of q must be the negative reciprocal of the slope of n.
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nasty-shy [4]

Answer:

2.9 = c

Step-by-step explanation:

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Step-by-step explanation:

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