Are you trying to figure out the value of n?
Answer:
1 2/21
Step-by-step explanation:
We start out with:
3/7 + 2/3
In order to add them together, they must have an equal denominator. An easy way to find an equal denominator is the cross method. We divide 7 by 3 and 3 by 7, giving us a denominator of 21:
3/21 + 2/21
But what about the numerators? You do the same thing as before (multiplying by the other's denominator). Now we have:
9/21 + 14/21
We add both together (the denominator stays the same) and we get 23. 23/21 is correct but not in simplest form. We remove 21 from the numerator (because it is a whole) and finally get:
1 2/21!
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Answer:
125
Step-by-step explanation:
anything that is above .5 will round up and below .4 will round down.
Answer:
a)90 square inches
b)104 cubic inches
Step-by-step explanation:
Dimensions of the bigger box
W= 8 in
H=11 in
D= 3 in
Dimensions of the smaller box
w= 6 in
h= 10 in
h= 2.5 in
therefore, difference in the area of the cupboard
=2[ WH+HD+WD] - 2[wh+hd+wd]
= 2[8*11+11*3+8*3]- 2[6*10+10*2.5+6*2.5]
=290- 200= 90 square inches
volume of the large cupboard = WHD= 8*11*3= 264 cubic in
volume of the small cupboard= whd= 6*10*2.5= 150 cubic in
therefore, 264-150= 114 cubic in more cereal does the large box hold than the small box
