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3 years ago

What would be the best first step to use to solve this equation? 7/12=5/6x

Mathematics

2 answers:

storchak [24]3 years ago

4 0

Answer: The first step would be to divide both sides by 5/6 to isolate x.

Gala2k [10]3 years ago

4 0

Answer:

Your answer is: x = 7/10

Solve for x by simplifying both sides of the equation, then isolating the variable.

Step-by-step explanation:

Hope this helped : )

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Find BD. Please guys I need help

GarryVolchara [31]

Answer:

BD = 10

Step-by-step explanation:

B --> -4

D --> 6

-4 + BD = 6

BD = 10

8 0

3 years ago

A cylinder with a radius of 1 cm and a height of 21 cm has the same volume as a cone with a height of 7 cm. What is the radius o

Natasha_Volkova [10]

Answer:

Step-by-step explanation:

The formula of a volume of a cylinder:

$V=\pi r^2H$

r - radius

H - height

We have r = 1cm and H = 21cm. Substitute:

$V=\pi(1^2)(21)=21\pi\ cm^3$

The formula of a cone:

$V=\dfrac{1}{3}\pi r^2H$

r - radius

H - height

We have V = 21π cm³ and H = 7cm. Substitute:

$\dfrac{1}{3}\pi(r^2)(7)=21\pi$ <em>divide both sides by π</em>

$\dfrac{1}{3}(7)(r^2)=21$ <em>divide both sides by 7</em>

$\dfrac{1}{3}r^2=3$ <em>multiply both sides by 3</em>

$r^2=9\to r=\sqrt9\\\\r=3\ cm$

5 0

3 years ago

Read 2 more answers

Rationalize the denominator of sqrt -9 / (4-7i) - (6-6i) ...?

Colt1911 [192]

√(- 9 ) / (( 4 - 7 i ) - ( 6 - 6 i )) = 3 i / ( 4 - 7 i - 6 + 6 i ) =
= 3 i / ( - 2 - i ) = - 3 i / ( 2 + i ) =
$= \frac{-3i}{2 + i}* \frac{2 - i}{2 - i}= \\ = \frac{-6i+3i ^{2} }{2- i^{2} }= \\ = \frac{-3-6i}{2+1}= \frac{-3-6i}{3}=$
= - 1 - 2 i

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3 years ago

What is the slope of the line shown below?<br> (-1,-4)<br> (2, 2)

poizon [28]

Correct answer is B (2,2)

4 0

2 years ago

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Select al solutions to the inequality 8t< -2t+20

DENIUS [597]

Step-by-step explanation:

the answer is E

which 2

its easy bro

6 0

3 years ago