Which is greater 0.7 or 7/9

2 answers:

4 0

The answer is 7/9.

0.7 as a fraction is 7/10.

I found the least common denominator of these two and converted them to equivalent fractions.

7/10 = 63/90
7/9 = 70/90

Therefore 70/90 is bigger, therefore the answer is 7/9.

Hope this helps~

Alex_Xolod [135]3 years ago

4 0

7/9 is greater because when u turn .7 to a fraction that have a common denominator with the fraction 7/9

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Question 1:

Look at the first attached image.

We want to solve for the height of the smaller building. Let's start by making a right triangle with angle of 15 degrees and adjacent side of 51 m.

Let's solve for the other leg. Multiply the tangent with 51 m to get the length of the other leg.

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Now, subtract that from 207 to get the height of the smaller building.

$207-14=193$

That's your answer.

Question 2:

The angle of elevation is congruent to the angle of depression because they are alternate interior angles.

Thus, you can choose the 1st and 4th choices as your answer.

Question 3:

Look at the second attached image.

Angle E is congruent to angle D for the same reasons mentioned in the last question.
We can create an equation.

$3x+1=2(x+8)$

Distributive property

$3x+1=2x+16$

Subtract both sides by 1 and 2x

$x=15$

Since E and D are congruent, just plug this value into one of the equations for E or D. You get 46.

The third choice is your answer. Hope this helps! :)