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alina1380 [7]
3 years ago
8

I'll give brainliest if you show your work. Plz answer quickly.

Mathematics
2 answers:
vlabodo [156]3 years ago
8 0

 C) In step 3, he should have determined which square is closest to 18.

Maslowich3 years ago
5 0

Answer:

  C) In step 3, he should have determined which square is closest to 18.

Step-by-step explanation:

17.64 also rounds to 18. 17.64 differs from 18 by ...

  18 -17.64 = 0.36

whereas 18.49 differs from 18 by ...

  18.49 -18 = 0.49

Hence 17.64 is closer to 18 and we might expect 4.2 to be closer to √18 than is 4.3.

___

The actual root of 18 is about 4.243, so 4.2 is a better approximation.

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Which shows the expressions in the order they would appear on a number line from least to greatest?
ziro4ka [17]
17 over 9, Square root of 6, Square root of 15, Square root of 30, 33.
If you make 17 over 9 into a mixed number, you get 1 and 8/9. the square root of 6 is between 2(square root of 4) and 3(square root of 9). The square root of 15 is between 3 and 4(square root of 16). The square root of 30 is between 5(square root of 25) and 6(square root of 36)... then 33 is an outlier. 
7 0
3 years ago
What is the solution to y + 8.5 = 17.2? y = 25.7 y = -25.7 y = -8.7 y = 8.7
olya-2409 [2.1K]

Answer:

y =8.7

Step-by-step explanation:

y + 8.5 = 17.2

Subtract 8.5 from each side

y +8.5 -8.5 = 17.2 -8.5

y =8.7


8 0
3 years ago
Read 2 more answers
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pentagon [3]

Answer:

plot points at (0,4),(3,1),(5,7),(8,5)

Step-by-step explanation:

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7 0
2 years ago
Find the surface area of the cube shown.<br> (_________) square centimeters
Step2247 [10]

Answer:

The answer is: 181.5 square centimeters.

Step-by-step explanation:

The cube has six faces, and each face is a square with sides of length 5.5, so the area of one of this faces is 5.5^2=30.25, adding the six faces, we get the answer: A=6\times 30.25=181.5

5 0
3 years ago
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Emily put toys into a square box that is 46 centimeters long. How many square centimeters is the bottom of the box?
Sedaia [141]
If the box is a square and the length of one side is 46cm, then the area of the box in square centimeters is 46 * 46 = 2116.
Final Answer:
d. 2116
Hope I helped :)
7 0
3 years ago
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