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Svetllana [295]
2 years ago
12

Beatrice spent a total of $54 at

Mathematics
2 answers:
IgorLugansk [536]2 years ago
8 0

Answer:

C.      .20 or 20%

Step-by-step explanation:

Snezhnost [94]2 years ago
6 0

Answer

C.      .20 or 20%

Explanation

The table is

2 drinks $4.50

Entree $13.50

Entree $16.00

2 desserts $11.00

Total $45.00

9/45=20%

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What is the factored form of y = x² - 12x + 36
djverab [1.8K]
Answer: y = (x - 6)^2

work:

y = x^2 - 12x + 36

y = (x - 6) (x - 6)

y = (x - 6)^2
7 0
3 years ago
If m∠A = 56°, m∠B = 60°, and c = 8, what is the measure of side length b?
Alekssandra [29.7K]

Using the law of sines:

\frac{b}{sin(B)}=\frac{c}{sin(C)}

Solve for b:

\begin{gathered} b=\frac{c\cdot sin(B)}{sin(C)} \\ so: \\ b=\frac{8\cdot sin(60)}{sin(64)} \\ b\approx7.708 \end{gathered}

Answer:

7.708

5 0
1 year ago
Find the exact value of the given expression.<br> sin(2cos^-1(5/13))
xeze [42]

Answer:

+120/169 or -120/169

Step-by-step explanation:

  • let cos^{-1}[\frac{5}{13}  ] = \alpha

where, alpha is some angle that satisfies the assumed condition.

  • so, cos\alpha= 5/13

[ taking cos to the other side  or applying cos on both sides]

  • now, substitute this in the given expression
  • sin(2cos^-1(5/13)) = sin(2\alpha )

as sin\beta =  + or -\sqrt{1-(cos\beta) ^{2}

[by general trigonometry formula: cos^{2}[\beta]  +sin^{2}[\beta]=1]

so if  cos\alpha= 5/13, we can get sin\alpha from the above formula as + or - 12/13

(because, after taking square root on both sides we keep + or -]

  • as, sin2\beta  = 2*sin[\beta ]*cos[\beta ]

[by general trigonometry formula]

  • here, now sin[2\alpha ]=2*(+or- 12/13)*5/13\\

so, the final value can be 120/169 or -120/169.

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3 years ago
Which is an exponential decay function
Pani-rosa [81]

Answer:

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Step-by-step explanation:

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2 years ago
Please help me asap! pleaseee
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It’s B 26 in a rhombus opposite sides are parallel
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