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balu736 [363]
2 years ago
7

Sophia pays a 19.99 membership fee for an online music store.

Mathematics
1 answer:
hichkok12 [17]2 years ago
4 0

Answer:

(a) 2(0.99) + 19.99 = $21.97

(b) 0.99n + 19.99 = total cost

(c) 0.99n + 19.99 = 118

(d) 99

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What's the next number in the series. 65536, 256, 16..?
Artemon [7]
Hi there!

Since
65536 =  {256}^{2}
and
256 =  {16}^{2}
, we would need to find
\sqrt{16}
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So, the answer is 4.

Hope this helps!
5 0
3 years ago
Which equation represents the standard form of f(x)?
blondinia [14]

Step-by-step explanation:

step 1. the standard form of a quadratic equation is f(x) = ax^2 + bx + c

step 2. since they are all in standard form you need to provide more information.

5 0
3 years ago
Jimmy goes for a run with his friends on the weekend. They run 11km in 5 hours. How long
zheka24 [161]
11km = 5h
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7 0
2 years ago
Perform the indicated problem. -6 + (-5) + 7
Likurg_2 [28]

Answer:

-4(rule pemdas)

Step-by-step explanation:

-6-5+7

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4 0
3 years ago
Are these correct? ILL MARK YOU BRAINLIEST
Oxana [17]

Answer:

Yes

Step-by-step explanation:

1) Cos 300 = Cos (360 - 60) = Cos 60    {Cos 360 - theta = Cos theta}

                                              = 1/2

Sin 300 = Sin (360 - 60) = -Sin 60 = \frac{-\sqrt{3}}{2}

3) 3π/4 = 3*180/4 = 135

Cos 135 = Cos (90 + 45) = -Cos 45 = \frac{-\sqrt{2}}{2}

Sin 135 = Sin (90 + 45) = Sin 45 = \frac{\sqrt{2}}{2}

7 0
3 years ago
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