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Yanka [14]
3 years ago
8

On friday , 2 classes went on a feild trip. if the 3 other classes are left at the school, and there are 20 students per class,

how many students are left at the school?
Mathematics
1 answer:
Burka [1]3 years ago
7 0

Answer:

60 students

Step-by-step explanation:

3 classes are left with 20 students per class. To find the number of students, multiply 3*20=60  


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Use the graph to estimate the height of a jugglers ball that has been in the air for 1.5 seconds
strojnjashka [21]

Answer:

The height of a jugglers ball that has been in the air for 1.5 seconds is 6.5 feet

Step-by-step explanation:

we are given height equation as

h=-16t^2+25t+5

where

h is the height in feet of a Juggler's ball after t seconds

now, we can plug t=1.5

h=-16(1.5)^2+25(1.5)+5

we can solve for h

h=42.5-16\cdot \:1.5^2

h=42.5-36

h=6.5

So,

The height of a jugglers ball that has been in the air for 1.5 seconds is 6.5 feet

5 0
3 years ago
Determine the equation of a horizontal line that passes through (4,7)
professor190 [17]
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Read the picture that's were the question is.
vlabodo [156]

Answer:

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4 0
3 years ago
Find the first, fourth, and eighth terms of the sequence. a(n)=-2 x 2^n-1
leonid [27]

Answer:

2, 16 and 256.

Step-by-step explanation:

Just substitute  for n:-

first term ( when n = 1) =  2 * 2^(1-1)

= 2 * 1 =  2

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8 0
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(Q1) Which of the following is true about the function y = 3 • 2x?
Virty [35]

Answer: Third option

Step-by-step explanation:

You have the function:

y=3*2^x

Then, if the value of x increases by 1, you obtain:

-Rewrite the function:

y=3*2^{(x+1)}

-Substitute values for x into the function and observe what happen to y. Then:

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y=3*2^{(1+1)}=12

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x=3

y=3*2^{(3+1)}=48  

The value of y is doubled.

6 0
3 years ago
Read 2 more answers
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