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Tasya [4]
3 years ago
10

Mr. Penn wants to buy pencils and erasers for the students in his class. If pencils come in packs of 20 and erasers in packs of

12, how many packs of each will he need to buy to have an even amount of both? What is the total number of each he would have?
Mathematics
1 answer:
joja [24]3 years ago
4 0
5 packs of erasers and 3 packs of pencils each will have 60
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Help pls :)) much appreciated
Ahat [919]

Answer:

9,-7 hope this helps :))))))))

6 0
2 years ago
In △ABC, AD and BE are the angle bisectors of ∠A and ∠B and DE ║ AB . Find the length of DE if perimeter of ABDE is 30 cm and AB
-BARSIC- [3]

Answer:

DE = 6 cm

Step-by-step explanation:

Let DE = x cm.

Since DE is parallel to AB therefore by the alternate interior angles theorem, m∠BAD = m∠ADE and m∠ABE = m∠DEB ............(1)

As AD is an angle bisector of ∠A, therefore m∠EAD = m∠DAB ; Since BE is an angle bisector of ∠B ⇒ m∠ABE = m∠EBD.

Therefore, from (1) We get ,  m∠EAD = m∠ADE and m∠EBD = m∠BED.

So, the triangles ADE and EDB are then isosceles with AE = ED and ED = DB.

So AE = DE = DB = x, and since the perimeter of ABDE is 30 cm, then

12 + x + x + x = 30

⇒ 12 + 3x = 30

⇒ x = 6

Hence, the length of DE is 6 cm.


8 0
3 years ago
Read 2 more answers
Find 4 consecutive even integers whose sum is 156?
snow_tiger [21]
X+(x+1)+(x+2)+(x+3)=156
4x+6=156
4x=150
x=37.5 (not an integer)
If x=37 you get 37+38+39+40=154 and if x=38 you get 38+39+40+41=158[/tex]
8 0
3 years ago
Read 2 more answers
(t-2)(t+1)(t+1) what is this when foiled out
mario62 [17]
(t-2)(t+1)(t+1)
t^2+t-2t-2(t+1)
t^2-t-2(t+1)
t^3-t^2-2t+t^2-t-2
t^3+-3t-2
3 0
3 years ago
Read 2 more answers
PLS HELP! Whoever gets it right will get brainliest!!
melomori [17]

Answer:

4

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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