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3 years ago

You have discovered another alien.

Mathematics

2 answers:

Alexxandr [17]3 years ago

6 0

Answer: the answer is B

Step-by-step explanation:

I just did it

schepotkina [342]3 years ago

3 0

Answer:

da second one

Step-by-step explanation:

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How to convert 45% into a fraction

JulsSmile [24]

Answer:

$\frac{9}{20}$

Step-by-step explanation:

Per cent means ' out of a hundred' , thus

45% = $\frac{45}{100}$ ← divide ( cancel) both 45 and 100 by 5

45% = $\frac{9}{20}$ ← in simplest form

8 0

4 years ago

Quadrilateral ABCD has side lengths of 2, 5, 7, and 12. A new quadrilateral is created, using a scale factor of 0.25. Which of t

ratelena [41]

Answer:

1, 2, and 6

Step-by-step explanation:

5*.25=1.25 7*.25=1.75 12*.25=3

3 0

3 years ago

Find the distance between (1, 4) and (-2, 0)

Vanyuwa [196]

Answer:

$\boxed {d = 5}$

Step-by-step explanation:

Use the <u>Distance Formula</u> to help you determine the distance between two given points:

$d = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}$

First point: $(x_{1}, y_{1})$

Second Point: $(x_{2}, y_{2})$

-Apply the two given points onto the formula:

First point: $(1, 4)$

Second point: $(-2, 0)$

$d = \sqrt{(-2 - 1)^{2} + (0 - 4)^{2}}$

-Solve for the distance:

$d = \sqrt{(-2 - 1)^{2} + (0 - 4)^{2}}$

$d = \sqrt{(-3)^{2} + (-4)^{2}}$

$d = \sqrt{9 + 16}$

$d = \sqrt{25}$

$\boxed {d = 5}$

Therefore, the distance is $5$ .

4 0

3 years ago

Find an equation in rectangular coordinates for the cylindrical equation r = 2sintheta

frutty [35]

Answer:

$x^2+(y-1)^2=1$

Step-by-step explanation:

The given cylindrical equation is

$r=2\sin \theta$

Multiply both sides by r.

$r^2=2r\sin \theta$ .... (1)

The required formulas are

$x=r\cos \theta,y=r\sin \theta,r^2=x^2+y^2$

Substitute $r\sin \theta =y,r^2=x^2+y^2$ in equation (1).

$x^2+y^2=2y$

$x^2+y^2-2y=0$

Add 1 on both sides.

$x^2+(y^2-2y+1)=1$

$(x-0)^2+(y-1)^2=1^2$ $[\because (a-b)^2=a^2-2ab+b^2]$

It is the equation of a circle centered at (0,1) with radius 1.

Therefore, the equation in rectangular coordinates is $x^2+(y-1)^2=1$ .

3 0

3 years ago

A watercolor painting is 19 inches long by 11 inches wide. Ramon makes a border around the watercolor painting by making a mat t

Alexxx [7]

Answer:

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers