3 years ago

Find the length of a side of a square whose diagonal is 4 centimeters

Mathematics

1 answer:

Ira Lisetskai [31]3 years ago

5 0

16 is the answer when multiplied by each side

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Which table represents a linear function?

GalinKa [24]

Answer:

The top right option.

Step-by-step explanation:

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3 years ago

the width of a rectangle is 3 units less than the length. if the area is 130 square units, then find the dimensions of the recta

Basile [38]

Answer:

Length = 10

Width = 13

Step-by-step explanation:

If the width of a rectangle is 3 units less than the length and if the area is 130 square units, the length is 10 units and the width is 13 units.

Formula: A=wl

Therefore, you have to find what two numbers multiply together in order to recieve 130 units.

A=wl=13·10=130

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Irina18 [472]

$(3x+2)^2=9 \\\\9x^2+12x+4-9=0\\\\9x^2+12x-5=0\\\\a=9,\ \ b=12, \ \ c=-5$

$x_{1}=\frac{-b-\sqrt{b^2-4ac}}{2a}=\frac{-12-\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12-\sqrt{144+180}}{18}=\\\\=\frac{-12-\sqrt{324}}{18}=\frac{-12-18}{18}=\frac{-30}{18}=-\frac{5}{3}\\\\x_{2}=\frac{-b+\sqrt{b^2-4ac}}{2a}=\frac{-12+\sqrt{12^2-4 \cdot9 \cdot (-5)}}{2 \cdot 9}=\frac{-12+18}{18}=\frac{6}{18}=\frac{1}{3} \\\\Answer: \ x=-\frac{5}{3}\ \ and \ \ x=\frac{1}{3}$

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A bee beats its wings 250 times each second. What is the average time for a single beat of a bee's wing?

Marat540 [252]

I'm not sure, but the average time can be 1/250 seconds.

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9x + бу = 36<br> Help ASAP Thanks

dangina [55]

Answer:

x=2

y=3

Step-by-step explanation:

9x2= 18, 6x3=18. 18+18=36

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3 years ago