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3 years ago

Consider the steps to convert 49% to a decimal.

Mathematics

2 answers:

gulaghasi [49]3 years ago

4 0

Answer:

Will move 2 places

left

.49

Step-by-step explanation:

frez [133]3 years ago

4 0

Answer:

Step-by-step explanation:

49% is .49 by moving 2 spots to the left.

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Find all the points, if any, where the graph of 12x-5y=0 intersects (x+12)^2+(y-5)^2=169.

WITCHER [35]

I: 12x-5y=0
II:(x+12)^2+(y-5)^2=169

with I:
12x=5y
x=(5/12)y
-> substitute x in II:
((5/12)y+12)^2+(y-5)^2=169
(25/144)y^2+10y+144+y^2-10y+25=169
(25/144)y^2+y^2+10y-10y+144+25=169
(25/144)y^2+y^2+144+25=169
(25/144)y^2+y^2+169=169
(25/144)y^2+y^2=0
y^2=0
y=0

insert into I:
12x=0
x=0

-> only intersection is at (0,0) = option B

6 0

3 years ago

Read 2 more answers

Did I do this correctly?

quester [9]

Answer:

yes

Step-by-step explanation:

you did it right

5 0

2 years ago

What is the coefficient of x in 4+3y²+x?

Anni [7]

the coefficient of x is 1

8 0

9 months ago

given y>0 and dy/dx=(3x^2+4x)/yif the point (1,√10) is on the graph relating x and y, then what is y when x=0

jonny [76]

$\dfrac{\mathrm dy}{\mathrm dx}=\dfrac{3x^2+4x}y\iff y\,\mathrm dy=(3x^2+4x)\,\mathrm dx$
$\implies\displaystyle\int y\,\mathrm dy=\int(3x^2+4x)\,\mathrm dx$
$\implies \dfrac12y^2=x^3+2x^2+C$

When $x=1$ you have $y=\sqrt{10}$ , so

$\dfrac12(\sqrt{10})^2=1^3+2(1)^2+C\implies 5=1+2+C\implies C=2$

and so the particular solution to the ODE is

$\dfrac12y^2=x^3+2x^2+2$

Then when $x=0$ , you get

$\dfrac12y^2=0^3+2(0)^2+2=2$
$\implies y^2=4$
$\implies y=2$

where we omitted the negative root because it's given that $y>0$ .

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3 years ago

Does someone know how to do this

Sveta_85 [38]

Answer:

Step-by-step explanation:

(B)

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b
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b
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b
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b
bbbbbbbbbbbbbb

8 0

3 years ago