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Lelechka [254]
3 years ago
7

If 5 candy bars cost $3.00, how much will 2 candy bars cost?

Mathematics
1 answer:
denis23 [38]3 years ago
8 0

wait nvm

one candy bar costs 0.60 cents

multiply this number by 2 and get <u><em>$1.20</em></u>

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What is the slope of the line shown below?<br> y=1/3x-3
inysia [295]

Answer:

slope=1/3

Step-by-step explanation:

the equation is in slope-intercept form (y=mx+b) and m always equals slope in that equation, so in your equation m=1/3, so slope=1/3

5 0
3 years ago
Find the angle θ between u = &lt;7, –2&gt; and v = &lt;–1, 2&gt;.
Dmitry_Shevchenko [17]

The angle between two vectors is:

CosФ = u - v / Magnitude(u) x magnitude(v)

Magnitude of u = SQRT(7^2 + -2^2) = SQRT(49 +4) = SQRT(53)

Magnitude of v = SQRT(-1^2 +2^2) = SQRT(1 +4) = SQRT(5)

u x v = (7 x -1) + (-2 x 2) = -7 + -4 = -11

cosФ = -11 / sqrt(53) x sqrt(5)

cosФ = -11sqrt265) / 265

Ф =cos^-1(-11sqrt265) / 265)

Ф=132.51 degrees.

7 0
3 years ago
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X<img src="https://tex.z-dn.net/?f=%28x%5E%7B2%7D%20%2Bx%2B2%29%28x%5E%7B2%7D%20%2B4x%2B2%29%2B2x%5E%7B2%7D" id="TexFormula1" ti
Natasha_Volkova [10]

Answer:

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2

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5

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11

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4

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21

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3

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28

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2

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20

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5 0
2 years ago
If f(x)= 10 sin(x) – 3 then f (30%) = ?
marissa [1.9K]

Answer:

The value of f(30) is equal to 2.

Step-by-step explanation:

The given expression is :

f(x)= 10 \sin(x) - 3

We need to find the value of f(30)

Put x = 30 in above expression.

So,

f(x)= 10 \sin(30) - 3\\\\=10\times \dfrac{1}{2}-3\\\\=5-3\\\\=2

Hence, the value of f(30) is equal to 2.

5 0
3 years ago
Hideki is draining a 45-gallon aquarium at a rate of 15 gallons per minute. What is the initial value of the linear function tha
kakasveta [241]
Hideki is draining a 45-gallon aquarium at a rate of 15 gallons per minute. Let's solve for the initial value of the linear function that represents thissituation.
=> 45 gallon aquarium at rate of 15 gallons per minute.
=> 45 gallon / 15 gallon = 3 minutes.
Therefore with the rate of 15 gallons per minutes, Hideki will be able to finish the 45 gallon aquarium in 3 minutes.
 
4 0
3 years ago
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