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topjm [15]
3 years ago
11

Rosy waxes 2/3 of her car with 1/4 bottle of car wax what fraction of the bottle of car wax will rosy to wax her entire car

Mathematics
1 answer:
fredd [130]3 years ago
5 0
(2/3)/(1/4) = 1/x
solve for x

8/3 = 1/x or x = 3/8
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Which shows the exact distance traveled during<br> the first six swings?
aksik [14]

Answer:

Step-by-step explanation:

B

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3 years ago
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HELP!! I NEED THIS QUICKLY
Elza [17]

Answer:

A and D

Step-by-step explanation:

We are given that

(3/4,2/3),(1/4,1),(1,1/2) and (1/2,1)

x_1=\frac{3}{4}

y_1=\frac{2}{3}

x_2=\frac{1}{4},y_2=1

x_3=1,y_3=\frac{1}{2}

x_4=\frac{1}{2},y_4=1

k=\frac{1}{2}

Direct proportion:

\frac{x}{y}=k

Inverse proportion:xy=k

\frac{x_1}{y_1}=\frac{3}{4}\times \frac{3}{2}=\frac{9}{8}\neq \frac{1}{2}

Therefore, it is not in direct proportion.

\frac{1}{4\times 2}=\frac{1}{8}\neq\frac{1}{2}

\frac{1}{\frac{1}{2}}=2\neq \frac{1}{2}

x_1y_1=\frac{3}{4}\times \frac{2}{3}=\frac{1}{2}

x_2y_2=\frac{1}{4}\times 2=\frac{1}{2}

x_3y_3=1\times \frac{1}{2}=\frac{1}{2}

x_4y_4=\frac{1}{2}\times 1=\frac{1}{2}

Therefore, xy=k=\frac{1}{2}

Hence, the given points form an inverse variation .

xy=\frac{1}{2}

y=\frac{1}{2x}

Option A and D is true.

6 0
3 years ago
I really need help. Any help is appreciated.
finlep [7]
The equation is:
f ( x ) = 4 * 5 ^{2x}
f ( - 1 ) = 4 * 1/25 = 4/25 ( false )
f ( 0 ) = 4 * 1 = 4 ( false )
f ( 1 ) = 4 * 25 = 100 ( false )
f ( 2 ) = 4 * 5 ^4 = 4 * 625 = 2500  ( correct )
Answer:
D )  ( 2,  2500 )
4 0
3 years ago
Solve for x: 2sin^2(x) -sin(x)=1 over the interval 0 to 2pi
Zepler [3.9K]
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I REALLY NEED HELP!! PLEASE ANSWER!!
luda_lava [24]

Answer:

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Step-by-step explanation:

Tell me what it is I can help

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