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Ostrovityanka [42]

3 years ago

12

Pentagon ABCDE is graphed with the following vertices A(4,6), B(9,6), C(7,1), D(4,0), and E(1,3). What would point C' be after a

reflection over the y=axis?
IF YOU ANSWER THIS CORRECTLY I WILL GIVE 50 MORE POINTS!!!!!

1 answer:

Artist 52 [7]3 years ago

7 0

Answer:

(-7,1)

Step-by-step explanation:

over the y axis means the opposite way to the right or the left . the 7 will become -7 because on the other side the x-axis is made of negative numbers.

remember this to graph a number , it is like going in an elevator you have yo get in then go up or down.

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Why is the product of a rational number and an irrational number Irrational?

Llana [10]

Answer:

Because the product is always non-termination,non-repeating decimal.

Step-by-step explanation:

If we have $a$ is irrational; $b$ is rational such that $b \neq 0$ , then $a \cdot b$ is irrational.

A way to represent this is:

$a\in\mathbb{R}\setminus\mathbb{Q}, b\in\mathbb{Q},ab\in\mathbb{Q}\implies a\in\mathbb{Q}\implies\text{Contradiction}\therefore ab\not\in\mathbb{Q}.$

Note that we have a contradiction, because $a$ is not a rational number, as I stated in the beginning. Therefore, ab is irrational.

5 0

3 years ago

Read 2 more answers

What is equivalent to 5 square root 3

djyliett [7]

Answer:

Also known as 5 cubed.. the answer is 125

Step-by-step explanation:

5×5 is 25.. Now 5×25 is 125

5 0

4 years ago

Write an equation for L in point slope form L is parallel to y=5x. points (1,-1)

mojhsa [17]

Answer:

<h2>y + 1 = 5(x - 1)</h2>

Step-by-step explanation:

The slope-intercept form:

$y=mx+b$

m - slope

b - y-intercept

Parallel lines have the same slope.

We have y = 5x → m = 5.

The point-slope form:

$y-y_1=m(x-x_1)$

We have the slope m = 5 and the point (1, -1). Substitute:

$y-(-1)=5(x-1)\\\\y+1=5(x-1)$

6 0

3 years ago

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A cylinder with radius 3 feet and height 5 feet is shown.

Leviafan [203]

Answer:

The volume of the cylinder is <u>141.23 cubic feet </u>

Step by step explanation :

<u>Given</u>-

Radius of cylinder = 3 feet
Height of cylinder = 5 feet

Now, we know that

<h3> $\boxed {\mathfrak \red{ volume \: of \: cylinder = \pi {r}^{2} h}}$ </h3>

where, r is the radius of the cylinder & h is the height of the cylinder.

Now,

Volume of the cylinder = $\frac{22}{7} \times {3}^{2} \times 5$

$= \frac{22}{7} \times 3 \times 3 \times 5$

<h3> $= \frac{990}{7}$ </h3>

$= 141.428571$ ( approximately )

$= \boxed{ 141.43 \: \mathfrak { {ft}^{3}} }$

6 0

2 years ago

Find the square: (5x - 4y)2 <br><br> (and please put the process of solving the equation)

satela [25.4K]

$(5x-4y)^2$
$(5x-4y)(5x-4y)$

Multiply each term in one bracket in turn by the terms in the other bracket

$(5x)(5x) = 25x^2$
$(5x)(-4y)=-20xy$
$(-4y)(5x)=-20xy$
$(-4y)(-4y)=16y^2$

Put them together we have
$25x^2-20xy-20xy-16y^2$
$25x^2-40xy-16y^2$

7 0

3 years ago