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Marizza181 [45]
3 years ago
5

Brian's kite is flying above a field at the end of a 40 m string. If the angle of elevation

Mathematics
1 answer:
NISA [10]3 years ago
4 0

Answer:

who ever answers right will get Brainlyeist!!!!! PLEASE HELP ME OUT!!!

3. Find the area of the triangle.

A. 21.2 in

B. 10.5 in

C. 21 in

D. 42 in

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The digits of a two-digit number differ by 2. If the digits are interchanged and the resulting number is added to the original n
butalik [34]

x - tens digit

y - units digit

10x+y - the original number

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|x-y|=2\\10x+y+10y+x=110\\\\x-y=2 \vee x-y=-2\\11x+11y=110\\\\x=y+2 \vee x=y-2\\x+y=10\\\\y+2+y=10 \vee y-2+y=10\\2y=8 \vee 2x=12\\y=4 \vee y=6\\\\x+4=10 \vee x+6=10\\x=6 \vee x=4

10x+y=10\cdot 6+4 \vee 10x+y=10\cdot4+6\\10x+y=64 \vee 10x+y=46

Therefore, the original number can be either 46 or 64.

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3 years ago
Mrs. Taft keeps inventory of the copy paper in the school copier room. Nine weeks ago, there were 150 reams of copy paper in the
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Use the information to find k, and then choose the equation of variation. X=13 when y=100
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