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3 years ago

1,294.9313 what is the value of the number 2

Mathematics

2 answers:

Vinil7 [7]3 years ago

7 0

The value of the number is 200

trapecia [35]3 years ago

6 0

I believe that the answer is 200

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The length of a line segment is 7. Its end points are (1, 3) and (k, 3). Solve for k. Is there more than one solution? Explain.

Brilliant_brown [7]

$Endpoints:\\\\A(1,3)\ and\ B(k,3)\\\\Formula\ for\ length\ of\ line:\\\\
|AB|=\sqrt{(x_b-x_a)^2+(y_b-y_a)^2}\\\\
|AB|=7\\\\7=\sqrt{(k-1)^2+(3-3)^2}\\\\
7=\sqrt{k^2-2k-1}\ \ |^2\\\\
49=k^2-2k-1
$ $49=k^2-2k-1\\\\
-k^2+2k+1+49=0\\\\
-k^2+2k+50=0\\\\ \Delta=b^2-4ac\\\\a=-1,\ b=2,\ c=50 \\\\\Delta=(2)^2-4*(-1)*50=4-=4+200=204\\\\ \sqrt{\Delta}=2\sqrt{51}$ $\\\\k_1=\frac{-b-\sqrt{\Delta}}{2a}\ \ k_1=\frac{-2-2\sqrt{51}}{2*(-1)}=1+\sqrt{51} \\\\\ or\ k_2=\frac{-b+\sqrt{\Delta}}{2a}\ \ k_1=\frac{-2+2\sqrt{51}}{2*(-1)}=1-\sqrt{51}$

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3 years ago

Find the m, b, and write the equation for the following graph:

geniusboy [140]

Answer:

y=3

Step-by-step explanation:

m=0

b=3

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3 years ago

Simplify (3a^2-6a+3)/(a^2-1) if a is not 1

AVprozaik [17]

$\dfrac{3a^2-6a+3}{a^2-1}\\\\=\dfrac{3(a^2 -2a+1)}{(a+1)(a-1)}\\\\=\dfrac{3(a-1)^2}{(a+1)(a-1)}\\\\=\dfrac{3(a-1)}{a+1}\\\\=\dfrac{3a-3}{a+1} ~~~\text{for}~ a\neq 1$

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2 years ago

A manufacturer makes shipments of building block sets that should ideally have 315 pieces. A quality-control inspector randomly

Elis [28]

Answer:

307 to 323 blocks

Step-by-step explanation:

The range of allowable number of blocks for a building set is the minimum numbers of blocks in a set to the maximum number of blocks in set that would not cause the set to be sent back. Since the ideal number 315 pieces and the allowed deviance is 8 blocks less or more, the allowable range is:

315 - 8 ≤ N ≤ 315 +8

307 ≤ N ≤ 323.

The range of allowable number of blocks for a building set is 307 to 323 blocks.

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3 years ago

Ratio of width to length is 2:3 if the length 18 meters what is the width

weeeeeb [17]

Answer:

Step-by-step explanation: 18/3=6 6(2)= 12

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3 years ago