2 years ago

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Mathematics

1 answer:

mariarad [96]2 years ago

6 0

Ourbskiwjwhaniejensns

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A square has: 3 lines of symmetry 4 lines of symmetry 2 lines of symmetry

Studentka2010 [4]

Answer:

Step-by-step explanation:

4 lines of symmetry

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3 years ago

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Factor completely:

maw [93]

Answer:

Step-by-step explanation:

Given

12 $x^{5}$ + 6x³ + 8x² ← factor out 2x² from each term

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3 years ago

Solve with completing the square method: 6x²-7x+2=0 and ax²+bx+c=0

Norma-Jean [14]

$6x ^2-7x+2=0\\ \\ a=6 , \ b = -7 , \ c=2 \\ \\\Delta = b^{2}-4ac = (-7)^{2}-4*6*2=49-48=1 \\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{7-\sqrt{1}}{2*6}=\frac{7-1}{12} =\frac{6}{12}= \frac{1}{ 2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{7+\sqrt{1}}{2*6}=\frac{7+1}{12} =\frac{8}{12}= \frac{2}{ 3}$

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3 years ago

Find the 66th term of the arithmetic sequence 25, 10, -5

siniylev [52]

Answer:

970

Step-by-step explanation:

8 0

3 years ago

Quick pls

navik [9.2K]

First, let's see how 23 compares with the squares of the positive whole numbers on the number line.

1² = 1

2² = 4

3² = 9

4² = 16

5² = 25

The value of 23 is right between the square of 4 and the square of 5. Thus, the value √23 will be between 4 and 5.

Since 23 is much, much closer to the square of 5 than the square of 4, we can assume that the value √23 will be closer to 5 on the number line than 4.

Look at the attached image to see where I plotted the approximate location of √23.

You will realize that this approximation is pretty close since the actual value is roughly 4.80.

Let me know if you need any clarifications, thanks!

7 0

3 years ago