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worty [1.4K]
3 years ago
11

7. An administrator surveys a random sample of 48 out of 900 middle school students. Using the

Mathematics
2 answers:
Xelga [282]3 years ago
5 0

Answer:

12 students

Step-by-step explanation:

225 is 25% of 900 and 25% of 48 is 12.

Finger [1]3 years ago
5 0
12 students........:
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Pls help asap I will give brainerlist plus 15 points
xxMikexx [17]

Answer:

52

Step-by-step explanation:

6^2= 36

4^2= 16

36+16=52

3 0
3 years ago
Help look at the picture it shows everything
Lady bird [3.3K]

Answer:

cant see the picture dude

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
The vector ~v represents the displacement vector from Portland, Oregon to Houston, Texas. The vector w~ represents the displacem
Art [367]

Answer:

a

the displacement of the plane is  - \= w

b

The displacement of plane  from Portland to Akron with layover at Houston is  

       \= v  + \= w

c

  the vector which defines this displacement is  \= v + \= w  =- 2500 \ km

Step-by-step explanation:

From the question we are the

   The displacement from Portland, Oregon to Houston, Texas. is  \= v

    The displacement  from Houston, Texas to Akron, Ohio.  is \= wa

a

   The motion of the plane in question a is in the opposite direction to vector \= w

So the displacement of the plane is  - \= w

b

The motion of Portland to Houston to Akron is in the direction of both vector \= v and  \= w  so

The displacement of plane  from Portland to Akron with layover at Houston is  

       d =  \= v  + \= w

c

From the question we are told that the plane flies over Portland to get to  Anchorage, Alaska which implies that it is moving in opposite direction to the vector \= v

   Give that distance from Portland to Houston is  \= v  = 3000 km

           and the distance from Portland to  Anchorage is \= w = - 5500km

Then the vector which defines this displacement is mathematically represented as

   \= v + \= w  = 3000  -5500

    \= v + \= w  =- 2500 \ km

       

4 0
3 years ago
A trapezoid is shown. The lengths of the bases are 4 and 8. The height of the altitude is 4. What is the area of the trapezoid?
katrin [286]
It would be 24 units^2 because the middle is 16 and the two triangles are 4 each
3 0
3 years ago
Read 2 more answers
Angel paints three rooms with two gallons of paint. How many rooms can he paint with fifteen gallons of paint?​
Vanyuwa [196]

Answer:

22 rooms

Step-by-step explanation:

If two gallons of paint covers 3 rooms then you need to divide 15 gallons of paint by 2 gallons of paint = 7.5 gallons of paint. then you need to multiply 7.5 gallons of paint by 3 rooms = 22.5..... so that means you can paint 22 full rooms.

6 0
3 years ago
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