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Dominik [7]
3 years ago
5

Lia dropped a coin from a certain height above the ground. She measured and represented its displacements x1, x2, and x3 in the

first, second, and third seconds of its fall. What is the ratio of x1, x2, and x3?
1:1:1
1:2:3
1:3:5
1:4:9
Mathematics
1 answer:
My name is Ann [436]3 years ago
3 0

Answer:

D

Step-by-step explanation:

S is directly proportional to t^2. So the ratio is 1^2:2^2:3^2

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A dressmaker needs to cut 12-inch pieces of ribbon from rolls of ribbon that are 9 feet in length. How many 12-inch pieces can t
Tems11 [23]

Answer:

so the question is very interesting and the answer is 12 × 15 so the answer is 180 rolls of ribbons

8 0
3 years ago
Factor out the GCF:<br> 16n^2 + 10n
zimovet [89]

Answer:

2n(8n + 5)

Step-by-step explanation:

you need to see what you can take out of both the numbers.

ex they both have an 'n' and they both are divisible by 2

3 0
3 years ago
Read 2 more answers
Please help me for brainliest, a heart, and 5 star rating please!!!
Karolina [17]
C=3.14 x 26
C=81.64

C=2(3.14 x 13)
C=81.64
6 0
3 years ago
If an object is propelled upward from a height of s feet at an initial velocity of v feet per​ second, then its height h after t
Sergio039 [100]

From the given information we can write the equation:

-16t^2 +96t + 4 = 112

-16t^2 + 96t + 4 - 112 = 0

-16t^2 + 96t - 108 = 0

simplify, change the signs, divide by -4

4t^2 - 24t + 27 = 0


You can use the qudratic formula but this will factor to

(2t-3)(2t-9) = 0

Two solutions

t = 3/2

t = 1.5 seconds at 112 ft on the way up

and

t = 9/2

t = 4.5 seconds at 112 ft on the way back down

Graphically, (green line is 112 ft)


5 0
3 years ago
If a gas tank of a large truck holds 64 gallons of gas if the tank is 5/8 full how many gallons of gas is in truck
den301095 [7]
Find 5/8 of full
find 5/8 of 64
5/8 times 64/1=320/8=160/4=80/2=40
answer is 40 gallons in the trick right now
4 0
3 years ago
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