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masya89 [10]
3 years ago
7

Each side of a square classroom is 8 meters long. The school wants to replace the carpet in the classroom with new carpet that c

osts $35.00 per square meter. How much will the new carpet cost?
Mathematics
1 answer:
son4ous [18]3 years ago
5 0
Because a square has 4 sides, you would multiply the 8 meters by 4. That would mean that the entire room is 32 squared meters. Then multiply the 32 meters by the cost ($35.00). The total cost of the new carpet is $1,120
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Dmitry_Shevchenko [17]

If 81km = 9L, then 9km = 1L.

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With 22L, Amanda can drive 198km.

4 0
3 years ago
What constant do you need to add to each quadratic to complete the square?
babunello [35]

Answer:

1. 4

2. 16

3. 9

Step-by-step explanation:

Completing the square requires a quadratic in ax^2+bx=c form. Once in this form, calculate (\frac{b}{2})^2.

1. (\frac{b}{2})^2=(\frac{-4}{2})^2=4

2. (\frac{b}{2})^2=(\frac{-8}{2})^2=16

3. Requires you divide everything by 3 first.

\frac{3x^2+18x}{3} =\frac{249}{3} \\x^2+6x=81

(\frac{b}{2})^2=(\frac{6}{2})^2=9

6 0
3 years ago
Please help i’m crying and throwing up
dsp73

Answer:

C. 90

Step-by-step explanation:

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3 0
3 years ago
Dew help me please come on
adell [148]

Answer:

75c-180

420 for 8 customers

Step-by-step explanation:

Her tools cost her 180

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420

7 0
3 years ago
Suppose two random variables, X and Y are independent, which statement is false? a) P(X∣Y)=P(X) b) P(X∪Y)=P(X)+P(Y) c) P(X∩Y)=P(
Svetlanka [38]

B is false, since by the inclusion/exclusion principle,

P(X\cup Y)=P(X)+P(Y)-P(X\cap Y)

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5 0
3 years ago
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