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Sloan [31]
3 years ago
5

An object falls 9 m in the first second, another 27 m in the second second, and then 108 m more in the third second. If this pat

tern continues, how far will the object fall during the first 4 seconds?
360 m

684 m

426 m

117 m
Mathematics
1 answer:
aev [14]3 years ago
4 0

Answer: B) 684m

Step-by-step explanation:

From 9 to 27 is a 3 times increase, from 27 to 108 is a 4 times increase. So following the pattern, we can determine that it will increase 5 times, and fall another 540m in second 4. Then, we simply add all the numbers together to get the answer!

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Help ASAP with these
Fittoniya [83]

Answer:

Therefore the correct assembling is

3.∠DAC ≅ ∠BCA    3. Alternate interior Angles are Equal as AD || BC.

Step-by-step explanation:

Given:

AD ≅ BC and AD || BC

To Prove:

ABCD is a Parallelogram

Proof:

Alternate Interior Angles Theorem :

"When two parallel lines are cut by a transversal , the resulting alternate interior angles are congruent.

Here AD || BC and the transversal is AC

  Statement               Reasons

1. AD ≅ BC  .           1. Given

2. AD || BC              2. Given

3.∠DAC ≅ ∠BCA    3. Alternate interior Angles are Equal as AD || BC.

Therefore the correct assembling is

3.∠DAC ≅ ∠BCA    3. Alternate interior Angles are Equal as AD || BC.

4 0
3 years ago
Slope-intercept form of Slope = -9/5, y-intercept = -4
Brilliant_brown [7]

Answer:

y = - \frac{9}{5} x - 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - \frac{9}{5} and c = - 4 , thus

y = - \frac{9}{5} x - 4 ← equation of line

7 0
2 years ago
There are 144 people in an audience. The ratio of adults to children is 5 to 3. How many are adults?
Igoryamba
Find out how many children there are first. Come on, this is simple fractions/percents/decimals/ratios.
6 0
3 years ago
Read 2 more answers
Y=-0.72x + 7.7<br> Find y when x = 3.5.
OLEGan [10]

Answer:

y = 5.18

Step-by-step explanation:

replace x in the equation with 3.5

y = -0.72x + 7.7

y = -0.72(3.5) + 7.7

y = -2.52 + 7.7

y = 5.18

7 0
2 years ago
Read 2 more answers
1. What is the length of segment_AD?
geniusboy [140]
Just count the notches between the two points, there are 15 notches so 15 is tour answer
6 0
2 years ago
Read 2 more answers
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