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lidiya [134]
3 years ago
7

ruxin and Andre were invited to a Super bowl party. They were asked to bring pizzas and sodas. Ruxin brought three pizzas and fo

ur bottles of soda and spend $48.05. Andre brought five pizzas and two bottles of soda and spend 67.25
Mathematics
1 answer:
iogann1982 [59]3 years ago
8 0
What is the question ?
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(2sin60°)(3tan60°)—(4tan45°)(2cos45°)​
Dimas [21]

Answer:

9 - 4\sqrt{2}

Step-by-step explanation:

sin60° = \frac{\sqrt{3} }{2}

tan60° = \sqrt{3}

tan45° = 1

cos45° = \frac{1}{\sqrt{2} }

(2sin60°)(3tan60°) - (4tan45°)(2cos45°)

now substitute the values of each trigonometrical angles

(2*\frac{\sqrt{3} }{2} )(3*\sqrt{3} ) - (4*1)(2*\frac{1}{\sqrt{2} } )

\sqrt{3}  * (3\sqrt{3}) - 4*(\frac{2}{\sqrt{2} } )

3*3 - 4*\frac{2}{\sqrt{2} } *\frac{\sqrt{2} }{\sqrt{2} }

9 - 4 *\frac{2\sqrt{2} }{2}

9 - 4 * \sqrt{2}

9 - 4\sqrt{2}

5 0
3 years ago
The triangles shown below must be congruent.
VashaNatasha [74]

Answer:

it is true

Step-by-step explanation:

If two angles and the non-included side of one triangle are equal to the corresponding angles and side of another triangle, the triangles are congruent.

7 0
4 years ago
Evaluate the expression when a = 10.<br> a/4 + 1/3
liraira [26]
10/4 + 1/3 = 17/6

step 1: reduce the fraction with 2:

5/2 + 1/3

step 2: write all numerators above the common denominator 6:

15 + 2/ 6

step 3: add the numbers:

17/6
7 0
3 years ago
3x/5=x-8 solve for x please the slash means divided by.
TiliK225 [7]
X=20. Hoped this helped! If you need an explanation ask away....
6 0
3 years ago
What is true about this graph? Select all that apply.
schepotkina [342]

Answer:

E, B and A

Step-by-step explanation:

8 0
3 years ago
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