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podryga [215]
3 years ago
12

after selling some old books and toys Gwen and her brother max had 5 dollar bill and 6 quarters and 8 dimes what is the total am

ount of money they made?
Mathematics
2 answers:
marishachu [46]3 years ago
8 0
The total they made was $7.30
Feliz [49]3 years ago
4 0
They made $7.30

5 dollar bills = $5 (5×$1)
6 quarters = $1.50 (6 × $0.25)
8 dimes = $0.80 ( 8 × $0.10)

5 + 1.5 + 0.8 = 7.30

Hope it helps :)
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hey, can someone please double check these questions for me / or help me solve them if they are incorrect? thank you U-U ​
zzz [600]

Question 11

The directrix is a horizontal line, which means the parabola opens either upward or downward. In this case, it opens downward. This is because all answer choices have a negative leading coefficient. Also, it's because the focus is below the directrix.

For vertically opening parabolas, we use this form

4p(y-k) = (x-h)^2

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<h3>Answer:  Choice D.  y = -(1/16)x^2</h3>

===============================================

Question 3

The given equation is in the form y = ax^2+bx+c

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This h value is plugged into the original function to find k

f(x) = 2x^2+4x+3

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We find that h = -1 and k = 1 pair up together. In short, (h,k) = (-1,1) is the vertex.

<h3>Answer: Choice B.  (-1,1)</h3>
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Ne4ueva [31]

Answer:

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Use the 2nd button and the cos button to find the missing angle.

Angle C = 45.4 which is, rounded to the nearest degree, 45°

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