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3 years ago

15

Convert 2 5/12 into percent

1 answer:

Kryger [21]3 years ago

7 0

241.67%. Hope this helps.

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How do you complete problem number 4?

brilliants [131]

(I'm going to translate y' to dy/dx as it makes it easier to read for me, you could change it back if you wanted.)
$x \frac{dy}{dx} -y=0$
$\frac{dy}{dx} = \frac{y}{x}$
$\int \frac{1}{y} dy= \int \frac{1}{x} dx$ (separate the variables)
$\ln y=\ln x +c$
$\ln y = \ln kx$ (by letting c = ln k and using log laws)
$y=kx$ (raise everything to power e)
$3=k\times1 \implies k=3$ (applying boundary conditions)
Particular solution: $y=3x$

3 0

4 years ago

(y^2+y)(x^4+3x^3-2x^3)=y^2(x^4+3x^3-2x^3)+y(x^4+3x^3-2x^3( is an example of:

Andreas93 [3]

Answer:

B. Distributive property

Step-by-step explanation:

The distributive property says

$(a+b)\cdot c=a\cdot b+b\cdot c$

You are given the expression

$(y^2+y)(x^4+3x^3-2x^3)=y^2(x^4+3x^3-2x^3)+y(x^4+3x^3-2x^3)$

Denote

$c=x^4+3x^3-2x^3$

then your expression is

$(y^2+y)\cdot c=y^2\cdot c+y\cdot c$

Here, you can see that distributive property was used.

Now, change c into the $x^4+3x^3-2x^3$ again

$(y^2+y)\cdot (x^4+3x^3-2x^3)=y^2\cdot (x^4+3x^3-2x^3)+y\cdot (x^4+3x^3-2x^3)$

to get the distributive property for the initial expression

5 0

3 years ago

In the triangle below, Four-fifths represents which ratio?

vovangra [49]

Answer:

(A) $sin C =\frac{4}{5}$

Step-by-step explanation:

Opposite,AB = 4,

Hypotenuse,BC = 5

Adjacent, AC = 3.

$sin \theta =\frac{opposite}{Hypotenuse}\\ sin C =\frac{4}{5}$

8 0

4 years ago

PLZZZZZZZ HELP IM BEING TIMED!!!!!!!!!!!

enot [183]

Answer:

<h2>D. 26.5 mm</h2>

Step-by-step explanation:

A median of trapezoid is a line segment between the midpoints of the legs of a trapezoid (<em>look at the picture)</em>.

The formula of a length of a median of a trapezoid:

$\dfrac{a+b}{2}$

<em>a, b</em><em> - bases</em>

<em />

We have <em>a = AB = 19mm</em>, and <em>b = DC = 34 mm</em>. Substitute:

$\dfrac{19+34}{2}=\dfrac{53}{2}=26.5\ mm$

8 0

3 years ago

The measures of the angles of a triangle are shown in the figure below. Solve for x.

Goshia [24]

Answer:

x = 57

Step-by-step explanation:

Angles of a triangle all add up to 180 so:

x + 78 + 45 = 180

x + 123 = 180

x = 180 - 123

x = 57

4 0

3 years ago