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Kruka [31]
2 years ago
14

Complete the Square Rewrite into Vertex Form by completing the square. 2x^2+ 20x – 1

Mathematics
1 answer:
Stolb23 [73]2 years ago
5 0
I believe the answer is : Y=2(x+5)^2-51
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A team fixed a road that was 4,800 m long. After working for 30 days, there was still 1,440 m of the road left to fix. On averag
arlik [135]
The total of the road is 4800 m long. 4800-1440=3360m
We subtract what they have yet to cover from the total to get what they have covered.
So in 30 days they covered 3360 metres.
3660/30 (3660 is divided into 30 equal groups) = 122m
On average they covered 122 metres per day.
4 0
3 years ago
What is the surface area of a cube that has a side length of 5 feet?
harkovskaia [24]

Hello!

<h3><em><u>Answer</u></em></h3><h3 />

The surface area of the cube is 150 ft^{2}.


<h3><em><u>Explanation</u></em></h3>

A = 6 a^{2}

A = 6 5^{2}

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A = 150

6 0
2 years ago
.5+y-5÷34+3×7 -6 =45​
Minchanka [31]

Answer:

y=2205

Step-by-step explanation:

5+y-5/34+3*7-6=45

combine terms on each side

y/49=45

multiply 49 on each side

y=2205

i hope this helps you

7 0
3 years ago
Read 2 more answers
100 more than 146 is
adelina 88 [10]
100 more than 146 is 246
 add 100 to 146 and it becomes 246
6 0
3 years ago
Read 2 more answers
2. Which expression is the exponential form of √30
vesna_86 [32]
√30 
5.477
5.477²
30

5.477²
3 0
2 years ago
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