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2 years ago

If a square has breath of 13 cm what would be the lenght and perimeter ?

Mathematics

1 answer:

Kitty [74]2 years ago

3 0

Answer:

The square will have length 13 cm only and it's perimeter will be:

4×13cm

52cm

I hope it helps you

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Write an equation of the perpendicular bisector of the line segment whose endpoints are (−1,1) and (7,−5)

icang [17]

The equation is $y = \frac{3}{2} x - \frac{11}{2}$

Explanation:

We have to first find the mid-point of the segment, the formula for which is

$(\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2} )$

So, the midpoint will be $(\frac{-1+7}{2} , \frac{1-5}{2} )\\\\$

= $(3,-2)$

It is the point at which the segment will be bisected.

Since we are finding a perpendicular bisector, we must determine what slope is perpendicular to that of the existing segment. To determine the segment's slope, we use the slope formula $\frac{y_2-y_1}{x_2-x_1}$

The slope is $\frac{-5-1}{7+1}$ = $-\frac{2}{3}$

Perpendicular lines have opposite and reciprocal slopes. The opposite reciprocal of $-\frac{2}{3}$ is $\frac{3}{2}$

To write an equation, substitute the values in y = mx + c

WHere,

y = -1

x = 3

m = 3/2

Solving for c:

$-1 = \frac{3}{2} X 3 + c\\\\-1 = \frac{9}{2}+c\\ \\c = \frac{-2-9}{2} \\\\c = \frac{-11}{2}$

Thus, the equation becomes:

$y = \frac{3}{2} x - \frac{11}{2}$

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3 years ago

If a trader make a loss of 10% when he sells a watch for 15,300

puteri [66]

Answer:

A. original price: 16830

B. Profit gain: 918

10%=1530

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3 years ago

Write the equation of the line PARALLEL to the line y = 4x - 9 that passes through the

german

Answer:

y = 4x + 12

Step-by-step explanation:

The slope of the line y = 4x - 9 is 4.

The slope of the line we are looking for is also 4.

y - y1 = m(x - x1)

y - 4 = 4[x - (-2)]

y - 4 = 4(x + 2)

y - 4 = 4x + 8

y = 4x + 12

Answer: y = 4x + 12

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3 years ago

Read 2 more answers

Select the correct answer. Rewrite the following expression.

kolezko [41]

The algebraic expression $x^{10/3}$ is equivalent to the algebraic expression $x^{3}\cdot \sqrt[3]{x}$ . Thus, the right choice is option D.

<h3>How to apply power and root properties to rewrite a given expression</h3>

In this question we must apply the following set of algebraic properties to simplify a given expression:

$x^{m/n} = \sqrt[n]{x^{m}} = \left(\sqrt[n]{x}\right)^{m}$ (1)

$x^{m+n} = x^{m}\cdot x^{n}$ (2)

$x^{m\cdot n} = \left(x^{m}\right)^{n} = \left(x^{n}\right)^{m}$ (3)

Where:

m, n - Exponents
x - Base

And also by apply the definition of power.

If we know that the given expression is $x^{10/3}$ , then the equivalent expression is:

$x^{10/3} = \sqrt[3]{x^{10}} = \sqrt[3]{x^{9}\cdot x} = \sqrt[3]{x^{9}}\cdot \sqrt[3]{x} = x^{3}\cdot \sqrt[3]{x}$

The algebraic expression $x^{10/3}$ is equivalent to the algebraic expression $x^{3}\cdot \sqrt[3]{x}$ . Thus, the right choice is option D.

To learn more on roots, we kindly invite to check this verified question: brainly.com/question/1527773

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2 years ago

You move left 1 unit and down 9 units. You end at (-4, -4). Where did you start?

hodyreva [135]

Answer:

(5,13) I think, I wasn't very good at this sorta thing lol

4 0

3 years ago

Read 2 more answers

If a square has breath of 13 cm what would be the lenght and perimeter ?​

If a square has breath of 13 cm what would be the lenght and perimeter ?