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3 years ago

9

The Jones family bought two burgers and one hot dog, paying a total of $4.82. The Smith family bought one burger and two hot dog

s, paying a total of $3.70. How much does one hot dog cost?

1 answer:

miskamm [114]3 years ago

4 0

Answer: 1.12

Step-by-step explanation:

I think so :)

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The wavelength of violet light is 4.0 x 10−7 m. The wavelength of red light is 6.5 x 10−7 m. How much longer is the wavelength o

photoshop1234 [79]

Answer:

A

Step-by-step explanation:

We can substract the wavength of the violet light to the wavelength of the red light:

(6.5 x 10^-7 m) - (4.0 x 10^-7 m) = 2.5 x 10^-7 m

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Graph y−2=−34(x−6) using the point and slope given in the equation.

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The points are at (8,0) and (0,6)

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Two semicircles are attached to the sides of a rectangle as shown.

melomori [17]

Answer:

$157\ in^{2}$

Step-by-step explanation:

we know that

The area of the figure is equal to the area of rectangle plus the area of two semicircles

<u>The area of rectangle is equal to</u>

$A=14*5=70\ in^{2}$

<u>The area of the small semicircle is equal to</u>

$A=\pi r^{2} /2$

$r=5/2=2.5\ in$ -----> radius is half the diameter

substitute

$A=(3.14)(2.5^{2})/2=9.8125 in^{2}$

<u>The area of the larger semicircle is equal to</u>

$A=\pi r^{2} /2$

$r=14/2=7\ in$ -----> radius is half the diameter

substitute

$A=(3.14)(7^{2})/2=76.93\ in^{2}$

The area of the figure is equal to

$70+9.8125+76.93=156.7425=157\ in^{2}$

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Usually, in sports, we expect top athletes to get better over time. We expect future athletes to run faster, jump higher, throw

pishuonlain [190]

Answer:

125

Step-by-step explanation:

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In a recent year, certain colleges and universities received about $268 million in aid. Ten years later, they received about $94

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D) 65% decrease.

I worked it out by: 268 mill - 94 mill (calculating the difference in money)
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And since the money is decreasing, it is a 65% decrease.

Hope this helps, and I think it should be right - but maybe double check in case :)

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