Whats 39/7. i need a answer.

Mathematics

2 answers:

Dahasolnce [82]3 years ago

7 0

I put a screenshot for you

Alex Ar [27]3 years ago

4 0

Answer:

5.57142857143 there you go hopefully it's the answer you need

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In a standard television set, the screen height is 0.75 times the screen width. If a television set measures 34 inches along the

S_A_V [24]

We can solve this by using the Pythagorean theorem which is below:

$a^2 + b^2 = c^2$

Or we can say
 $w^2 + h^2 = d^2$
w = widht
h = height
d = diagonal measure

With that said, we know the height is .75 times the width so .75w. We also know d = 34, which is our diagonal measure.
w = don't know yet but need to find
h = .75w
d = 34
Now lets plugin the information we know into our equation

 $w^2 + h^2 = d^2$
$w^2 + (.75w)^2 = 34^2$
Now lets to the math
$w^2 + (.75w)^2 = 34^2$
$w^2 + (.75w)^2 = 1156$
$w^2 + .5625w^2 = 1156$
Combine like terms
$w^2 + .5625w^2 = 1156$
$1.5625w^2 = 1156$
Divide both sides of the equal sign by 1.5625
$\frac{1.5625w^2}{1.5625} = \frac{1156}{1.5625}$
$w^2 = 739.84$
Now take the square root on both sides of the equal sign
$\sqrt{w^2} = \sqrt{739.84}$
$w = 27.2$

So the width is 27.2
We can check this by putting 27.2 back into our original equation
$w^2 + (.75w)^2 = 34^2$
$27.2^2 + (.75\times 27.2)^2 = 34^2$

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How do you do equivalent fractions ?

USPshnik [31]

They are equal fractions that go into each other. for example,
2/4 goes into 4/8

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Write the following using index notation 2 x 9 x 9 x 9 x 2 x 9

taurus [48]

9^4 not totally sure tho

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