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Kisachek [45]
3 years ago
8

If a teacher has 25 student's and wants to give three to each student .how many packages will she need? (Markers come in package

s of 8
Mathematics
2 answers:
xxTIMURxx [149]3 years ago
5 0
4 because 8 x 3= 23 but 8 x 4= 32 so thre will be some left over.
Lostsunrise [7]3 years ago
3 0

So 8 x 3= 24. We know the answer should be around 9 I know this because  3 x 3= 9.

8 x 9= 72 and 25 x 3= 75 Now you should do 8 x 10 you will  get 80 and that will be around 5 left for each student. The teacher will need 10 packages of markers.


Happy studying ^-^


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What is 4 (5×1÷20) because I dont know lol
Whitepunk [10]
Well first we need to do whatever is in the parentheses, which in this case is: (5x1/20)

Following the order of operations (PEMDAS) we start with the multiplication, which is (5x1). We know that 5x1=5, so now we can move on to the division:

5/20, which is equal to 0.25

So now that we know the answer to the equation in the parentheses is 0.25, we can solve the whole equation.

Here is the equation simplified:

4 (0.25)

Because there is now operation indicated between the 4 and the parentheses, we can assume that multiplication is implied, so the final equation is as follows:

4x0.25=1

The final answer is: 1

Hope this helps!
4 0
4 years ago
An arc is 6.5 cm long and it subtends a central angle of 45 degrees. Find the radius of the circle.
Orlov [11]
Arc length = radius * central angle (measured in radians)
There are <span> <span> <span> 57.2957795131 </span> </span> </span> degrees per radian so
45 degrees = (45 / <span> <span> <span> 57.2957795131) = </span></span></span> <span> <span> <span> 0.7853981634 </span> </span> </span> radians<span><span> </span> </span>
radius = arc length / central angle (radians)
radius = 6.5 / <span> <span> 0.7853981634 </span> </span> radians = <span> <span> <span> 8.2760570408 </span> </span> </span> cm

http://www.1728.org/radians.htm

8 0
3 years ago
Nick planted a cedar tree. It grew 10 cm in ½ of a year. What will the height of the tree be at the end of 6 years?
user100 [1]

Answer:

120 cm

Step-by-step explanation:

1/2 is 6 months and 6 years are 72 months.

Using the rule of three, 10 cm is to 6 months what x is for 72 months so

x = (72 * 10) / 6 = 120

7 0
3 years ago
Let the x and y represent the tens digit and ones digit of a two digit number respectively. The sum of the digits of a two-digit
olga2289 [7]

Answer:  

The Original Number is 36 :)

explanation:

4 0
3 years ago
The difference of x and 4, cubed, times 6
Yanka [14]
<h2>Answer:</h2>

<u>The answer is </u><u>6x³ - 72x² +288 -384</u>

<h2></h2>

5 0
3 years ago
Read 2 more answers
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