2 years ago

In 1993, a radio cost $25. Now, the radio cost $5. What is the percent of change?

Mathematics

1 answer:

sattari [20]2 years ago

7 0

25 - 5= 20
20/25 = 0.8
0.8*100 = 80
Percent change is 80%

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ss7ja [257]

Answer:

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"The girl on the fifth floor thinks soccer is boring" implies that on the 5th floor lives the football or baseball fan. However, it cannot be the football fan since it is already known that she lives on 6th.

So the baseball fan, which is Jean, lives on 5th.

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Step-by-step explanation:

[-3y⁵][4y] → -12y⁶

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48y⁶w¹¹

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3 years ago

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gizmo_the_mogwai [7]

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What is the component form of the vector represented by 2a when a⃗ =〈−2,3〉?

Paladinen [302]

Answer:

$\vec v = 2\cdot \vec a = \langle -4,6 \rangle$

Step-by-step explanation:

Let $\vec a = \langle -2, 3 \rangle$ , we need to determine $\vec v = 2\cdot \vec a$ , which can be found by applying the following property:

$\alpha \cdot \langle x,y \rangle = \langle \alpha \cdot x, \alpha \cdot y\rangle$ , $\forall \,\alpha,x,y\in \mathbb{R}$ (1)

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