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Vinil7 [7]
2 years ago
9

36.raule both a shirt at 40% discount that if he paid 228 what was the shirt original price?

Mathematics
1 answer:
Ivenika [448]2 years ago
6 0

Answer:

The answer is D. 380!!!!!

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The sides of a rhombus with angle of 60° are 6 inches. Find the area of the rhombus.
ehidna [41]
1. Check the drawing of the rhombus ABCD in the picture attached.

2. m(CDA)=60°, and AC and BD be the diagonals and let their intersection point be O.

3. The diagonals:
     i) bisect the angles so m(ODC)=60°/2=30°

     ii) are perpendicular to each other, so m(DOC)=90°

4. In a right triangle, the length of the side opposite to the 30° angle is half of the hypothenuse, so OC=3 in.

5. By the pythagorean theorem, DO= \sqrt{ DC^{2}- OC^{2} }=  \sqrt{ 6^{2}- 3^{2} }=\sqrt{ 36- 9 }=\sqrt{ 27 }= \sqrt{9*3}= 
=\sqrt{9}* \sqrt{3} =3\sqrt{3}  (in)

6. The 4 triangles formed by the diagonal are congruent, so the area of the rhombus ABCD = 4 Area (triangle DOC)=4*\frac{DO*OC}{2}=4 \frac{3 \sqrt{3} *3}{2}==2*9 \sqrt{3}=18 \sqrt{3} (in^{2})

6 0
3 years ago
Maria would like to leave a tip (t) of at least 15% of her dinner bill (b). Which inequality best could be used to find the amou
mr_godi [17]
First let's define the variables of the problem:
 t: Tip
 b: dinner bill.
 We write the inequality based on the following proposition:
 "Maria would like to leave a tip (t) of at least 15% of her dinner bill (b)"
 We have then that the inequation is:
 t> = 0.15b
 Answer:
 An inequality best could be used to find the amount of the tip Maria would like to leave is:
 
t> = 0.15b
3 0
3 years ago
Medea found the missing measure using a proportion of the reduced trapezoid.
Elena-2011 [213]

Answer: The answer is Step 1

Step-by-step explanation:

i just did the assignment :)

5 0
2 years ago
Read 2 more answers
I got the answer but it's not a choice???
MaRussiya [10]
Notify your teacher and make sure you check your answer. Like a lot.
Use the calculator even. Go online ask google.
But I guess I can help you out with this one. If my math is correct it is.
D. $492.75
4 0
3 years ago
QUESTION 2 - Part C) Kyle is ready to place an order with Patty's Printing when he hears that a new company recently opened in t
Svetradugi [14.3K]

Answer:

idk im just trying to get these 5 points

Step-by-step explanation:

5 0
3 years ago
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