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blagie [28]
2 years ago
8

Simplify the following expression. show your work. (-y + 5.3) + (7.2y - 9)

Mathematics
1 answer:
Kitty [74]2 years ago
6 0

Answer:

6.2y - 3.7

Step-by-step explanation:

−y+5.3+7.2y−9

Subtract 9 from 5.3 to get −3.7.

−y−3.7+7.2y

Combine −y and 7.2y to get 6.2y.

6.2y−3.7

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2 years ago
30000 at 8% per year for 10 months equals to
motikmotik

Answer:

2000

Step-by-step explanation:

S.I=P×rate / 100×time

30000×8 / 100×5/6

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3 0
3 years ago
The sum of three consecutive integers is 126..............
Rasek [7]
The three consecutive integers are: x, (x+1) and (x+2).
We can suggest this equation:
x+(x+1)+(x+2)=126
3x+3=126
3x=126-3
3x=123
x=123/3
x=41

x=41
(x+1)=41+1=42
(x+2)=41+2=43

Answer: the three consecutive integers would be: 41,42 and 43. 
6 0
3 years ago
How many times does the graph of the function below intersect touch the x-axis? y= -3x^2 + x + 4
inessss [21]

Answer:

2 times

Step-by-step explanation:

Well let's first graph the quadratic equation,

Look at the image below ↓

By looking at the image below we can tell that the graph touches the x axis 2 times at,

<u>(-1,0)</u>

<u>(1 1/3,0)</u>

<em />

<em>Thus,</em>

<em>the parabola touches the x axis twice.</em>

<em />

<em>Hope this helps :)</em>

6 0
3 years ago
Whats the answer? F DC bhgffjyfvjigfbj
docker41 [41]

Answer:

the difference is 10. I hope this helps

6 0
2 years ago
Read 2 more answers
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