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3 years ago

7

Becky graphs a system of two linear equations and determines that (1,5) and (3,7) are solutions.

1 answer:

IrinaK [193]3 years ago

7 0

Answer:

D ) one line; infinitely many

Step-by-step explanation:

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the legs of a right triangle are 18 cm and 80 cm. what is the length of the hypotenuse? 82 cm 85 cm 89 cm 98 cm

GREYUIT [131]

A^2 + b^2 = c^2
324 + 6400 = c^2
6,724 = c^2
c = 82

82 cm.

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2 years ago

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What is 2x22x2x2x2x2x2x2x2

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3 years ago

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Write each fraction as a percent.<br><br> 1. 3/10<br><br> 2. 7/20<br><br> 3. 8/25

allsm [11]

3/10=30/100=30%
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3 years ago

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The Smiths are moving from New Jersey to South Africa. They pack their belongings in rectangular creates and hire a box to ship

Viefleur [7K]

Answer:

16 crates

Step-by-step explanation:

-This is a division problem.

-Let x be the number of crates that will fit in to the box car.

-To solve x, we divide the volume of the boxcar by the volume of one crate:

$V=lwh\\\\l=length\\w=width\\h=height\\\\V_{bc}=20m\times 3m\times 4m\\\\=240\ m^3\\\\V_c=lwh\\\\=5m\times1.5m\times 2m\\\\=15\ m^3\\\\\therefore x=\frac{V_{bc}}{V_c}\\\\=\frac{240}{15}\\\\=16\ crates$

Hence, 16 crates will fit in the boxcar.

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3 years ago