5 5/8 as an improper fraction
(8*5 +5) /8 = 45/8
45/8 divided by 1/4 =
copy dot flip
45/8 * 4/1 = 45/2
22 1/2
She has 22 1/2 servings
Answer:
6
Step-by-step explanation:
12/2=6
Answer:
AB = 25
Step-by-step explanation:
First things first, we know that these triangles are similar. Now let's find BC using the Pythagorean Theorem. BC =
, this side is similar to the 5 side of the smaller triangle. That means each side of the larger triangle
times larger than the corresponding side on the small triangle. That means AB is
times larger than BC as well. So multiply BC by
get us the answer.
If there is a decimal, you usually round when graphing.
The result is
9
a
2
−
16
The reason is the following:
The problem is an example of a notable product: "the sum multiplied by the diference is equal to the difference of squares", that is to say:
(
a
+
b
)
⋅
(
a
−
b
)
=
a
2
−
b
2
.
By applying this to our question, we obtain that:
(
3
a
−
4
)
⋅
(
3
a
+
4
)
=
(
3
a
)
2
−
(
4
)
2
=
9
a
2
−
16
.