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3 years ago

Definition for axis of symmetry

Mathematics

1 answer:

Dmitriy789 [7]3 years ago

3 0

Answer:

An axis of symmetry is a line about which a figure is symmetrical. If a figure can be folded such that the two parts exactly match, the fold line is an axis of symmetry. A figure can have one line of symmetry, many lines of symmetry, or no lines of symmetry.

Step-by-step explanation:

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What is the value of the expression with base 3 and exponent 4?

Brums [2.3K]

Answer:

Step-by-step explanation:

$3^{4} = 3*3*3*3 = 81$

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2 years ago

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Suppose y= 2x - 2.5. Find x if y =10

Marat540 [252]

Plug 10 in for y.

10=2x-2.5

Add 2.5 to both sides.

12.5=2x

Divide both sides by 2.

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Equation of the line passing through (7,5) and (1, 2)

Trava [24]

Answer:

$y = \frac{1}{2}x + \frac{3}{2}$

Step-by-step explanation:

Assuming this is a linear equation in the form of $y = mx + b$ , we can first solve for the slope using $\frac{y_2 - y_1}{x_2 - x_1}$ , for these points, the slope would be $\frac{1}{2}$ . Now we plug in the points to get the equation:

plugging in (7,5), we get $5 = \frac{1}{2}$ × $7$ + $b$

and solving for b, we get b = $\frac{3}{2}$

therefore, the equation of the line passing through (7,5) and (1,2) is $y = \frac{1}{2}x + \frac{3}{2}$ .

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1 year ago

Please help, picture included!

Mariana [72]

Check the picture, notice the domain in red.

recall that the domain is the values for the x-coordinate, whilst the range is the values for the y-coordinate.

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A number z, when rounded to the nearest whole, is equal to 70. Find the upper and lower bound of x

rusak2 [61]

Answer:

A quick way to calculate upper and lower bands is to halve the degree of accuracy specified, then add this to the rounded value for the upper bound and subtract it from the rounded value for the lower bound.

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