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butalik [34]
2 years ago
9

SOMEONE HELP!!!!!!!!!!!!!!!!!!!! I would give more points but there are people who just write random things for an answers that

isnt correct just to get points.

Mathematics
1 answer:
Nata [24]2 years ago
8 0

Answer:

a)  320 is correct

b)  20 more 18 year old students

Step-by-step explanation:

a)  320 is correct

b)  20 more 18 year old students:  The only information we have in the 25 - 35 minute time frame is the data for 30 minutes:

12 years: 40 students

18 years:  60 students

Difference = 20 more 18 year old students than 12 year old students spent spent time on social media for 25 - 35 seconds.

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15. Determine the y-intercept for the following equation<br> 4x + 2y = -12
Leya [2.2K]

Answer:

Step-by-step explanation:

Subtract 4x from both sides

4x-4x + 2y = -4x - 12

2y = - 4x - 12            

Divide by 2

2y/2 = -4x/2 - 12/2

y = -2x - 6

The y intercept happens when x = 0

y intercept is - 6

or 0,-6

8 0
3 years ago
Read 2 more answers
How do i do this PLEASE HELP
Scorpion4ik [409]
X=10
-3,-2,-1,0,1,2,3
Add 1,2,3+10
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6 0
2 years ago
Find the average velocity of the function over the given interval 2+tan x[-pi/4
Andreyy89
2+tan ×[-pi/4

2×10=20×16=[pi/320
7 0
3 years ago
Write an inequality for the situaions below and solve:
musickatia [10]

Answer

Find out the how many boxes of paper can the forklift move at one time .

To proof

Let us assume that the number of boxes be x.

As given

A forklift can carry up to 2500 pounds.

You want to move boxes of paper which each weigh 140 pounds.

The paper boxes are supported on one pallet which weighs 50 pounds.

Than the equation is become in the form

140x +50  ≥ 2500

140x ≥ 2500 - 50

140x ≥ 2450

x \geq \frac{2450}{140}

x ≥ 17.5

Therefore the 18 boxes of paper can the forklift move at one time .

Hence proved

5 0
3 years ago
What is the coefficient in the following expression?<br> 5a2-7
Harlamova29_29 [7]

Answer:

5

Step-by-step explanation:

coefficeint is the number before the variable

3 0
3 years ago
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