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Rudiy27
3 years ago
5

I need help: what is this?

Mathematics
1 answer:
givi [52]3 years ago
3 0

Answer:

9

Step-by-step explanation:

first you have to do the 1+2 to get 3 then you divide 6 by 2 and get 3 then you multiply 3x3 to get 9!

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mihalych1998 [28]
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2 years ago
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The perimeter of a rectangular metal plate is 15 cm. Find the length of the rectangular plate (in decimals) whose width is 228 c
scoray [572]

The Solution.

Representing the problem in a diagram, we have

By formula,

P=2(L+W)

In this case,

P=15\operatorname{cm},L=?,W=\frac{22}{8}cm

Substituting these values in the formula above, we get

15=2(L+\frac{22}{8})

Clearing the bracket, we get

15=2L+(2\times\frac{22}{8})\begin{gathered} 15=2L+\frac{11}{2} \\  \\ 15=2L+5.5 \end{gathered}\begin{gathered} 15-5.5=2L \\ 9.5=2L \end{gathered}

Dividing both sides by 2, we get

L=\frac{9.5}{2}=4.75\approx4.8\operatorname{cm}

Therefore, the correct answer is option C.

6 0
10 months ago
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sashaice [31]

Answer:

Neither

Step-by-step explanation:

equation 1 is a negative slope, equation 2 is a positive slope, but with a different slope.

7 0
3 years ago
Any people good at math that mind helping me?
Leya [2.2K]
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X = y+2<br> x+4y=7 <br><br> Please help!
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Since x = y + 2

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