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Oliga [24]
2 years ago
5

Delana also bought 3 bags of pencils with 12 pencils in each bag.When the party began, she found that 13 of the pencils were bro

ken .How many unbroken pencils were there?
Mathematics
1 answer:
Ymorist [56]2 years ago
5 0

Answer:

20

Step-by-step explanation:

3*12=36-13=20

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Question part points submissions used as a science project, you drop a watermelon off the top of the empire state building, 320
Nataly [62]
We are given a watermelon dropped at free fall from a building 320 meters above the sidewalk. Superman is headed down at 30 meters per second. We are asked to determine how fast is the watermelon going when it passes Superman. To solve for the final velocity of the watermelon, we will use one of the kinematic equations (free fall):

vf = vi + a*t

where vf is the final velocity
            vi is the initial velocity, zero
            a is the acceleration, in this case, gravitational acceleration = 9.8m/s^2
            t is time

we also need to set-up another equation using the distance:

d = vf + vi / 2 * t

(1) 320 m = vf * t /2

(2) vf = 9.8 m/s^2 * t

From here, we have two equations and two unknown, thus we can solve the problem by substitution. 

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8 0
3 years ago
Help! Please. I don’t know what I did wrong.
Debora [2.8K]

Answer:

1320, permutation

Step-by-step explanation:

There are 12 members

Pick a president

We have 12 choices

Now there are 11 people left to pick from

now pick a vp

We have 11 choices

Now there are 10 people left to pick from

now pick a secretary

We have 10 choices

12*11*10 = 1320

This is a permutation since it matters who is president, vp and secretary

6 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
hjlf

Refer the attachment

Make me as brain liest

4 0
2 years ago
Read 2 more answers
Plz help i will give brainliest
Drupady [299]
The top question is y=2x+6
the bottom question is y=5/2x-6
4 0
2 years ago
Find the solution of y = 2x + 5 for x = 1.
Mumz [18]

Answer:

1.)

y = 2x + 5 for x = 1

y = 2(1) + 5

y = 2 + 5

y = 7

2.) The function rule that relates the total cost of the party to the number of children n.

TCP = $60 + $4(n)

6 0
3 years ago
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