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Stels [109]
3 years ago
10

How do I solve this problem. 7a+2=3a+1

Mathematics
2 answers:
GenaCL600 [577]3 years ago
6 0

Answer:

a= - 1/4

Step-by-step explanation:

Allisa [31]3 years ago
5 0

Answer:

- 1/4

Step-by-step explanation:

7a + 2 = 3a + 1

subtract the 1 from both sides

7a + 1 = 3a

subtract 7a from both sides

1 = - 4a

divide by - 4

A = - 1/4

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Please help me on a test 2 3/4 + 5 1/2
drek231 [11]

Answer: 8 1/4

Step-by-step explanation:

2 3/4 + 5 1/2 = ?

Least common denominator is 4

2 3/4 + 5 2/4 = ?

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so the equation becomes

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7 0
3 years ago
I solved the problem but I'm not sure if I got it right so can you guys help me with it?
Lerok [7]
Sure buddy! -4/9 + 1/2 is 1/8 in exact form. In decimal form it is 0.05 (bar notation over 5) 
6 0
3 years ago
What percent of 120 is 28.8
12345 [234]

Answer:

24

Step-by-step explanation:

Step 1: We make the assumption that 120 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$.

Step 3: From step 1, it follows that $100\%=120$.

Step 4: In the same vein, $x\%=28.8$.

Step 5: This gives us a pair of simple equations:

$100\%=120(1)$.

$x\%=28.8(2)$.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{120}{28.8}$

7 0
3 years ago
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A ball is thrown from an initial height of 3 meters with an initial upward velocity of 13 m/s. The ball's height h
zlopas [31]

Answer:

the end

Step-by-step explanation:

3 0
3 years ago
Why does everyone expect people to awnser questions but they never awnser any them selves like I need help and I've helped loads
Gnoma [55]

Answer:

thats crazy bro

Step-by-step explanation:

6 0
3 years ago
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