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Nina [5.8K]
3 years ago
15

Harvey collects rare marbles. He has 112 marbles. Each tray holds an equal number. If he uses 7 trays, how many marbles will he

display on 3 trays?
Mathematics
2 answers:
Nezavi [6.7K]3 years ago
5 0
48 marbles on 3 trays.
lukranit [14]3 years ago
4 0
48 marbles on the 3 trays
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Gwar [14]

Answer: it equals 1

Step-by-step explanation:

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PLS I WILL GIVE BRAINLIEST
Nana76 [90]

Answer:

208 cm^2

Step-by-step explanation:

We can find the area of the net by adding up the area of each of the 6 rectangles that make up the net. Since two of each rectangle are the same, we only have to find the area of the 3 different sized rectangles and multiply each by 2.

Rectangle pairs are:

  • Left rectangle and right rectangle
  • Top rectangle and the rectangle above the bottom rectangle
  • Bottom rectangle and the rectangle surrounded by all for sides

Now, let's solve the question.

Left rectangle:

6 x 4 = 24, rectangle has area of 24 squared cm

Top rectangle:

6 x 8 = 48, rectangle has area of 48 squared cm

Bottom rectangle:

4 x 8 = 32, rectangle has area of 32 squared cm

Add up the areas:

(24 x 2) + (48 x 2) + (32 x 2) = 208

The rectangle has a surface area of 208 squared cm

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2 years ago
What is the simplified form of this expression?
loris [4]
\bf \cfrac{6x+12}{3x-6}\implies \cfrac{6(x+2)}{3(x-2)}\implies \cfrac{6}{3}\cdot \cfrac{(x+2)}{(x-2)}\implies \cfrac{2}{1}\cdot \cfrac{(x+2)}{(x-2)}\\\\\\ \cfrac{2(x+2)}{(x-2)}
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Compare the surface area-to-volume ratios of the moon and mars. express your answer using two significant figures.
antoniya [11.8K]

we know that

For a spherical planet of radius r, the volume V and the surface area SA is equal to

V=\frac{4}{3} *\pi *r^{3} \\ \\ SA=4*\pi *r^{2}

The
ratio of these two quantities may be written as

SAV =\frac{(4*\pi*r^{2})}{(\frac{4}{3}*\pi*r^{3})}     \\  \\ SAV =\frac{3}{r}

we know

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therefore

the answer is

1.9

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3 years ago
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A farmer grows two types of grain in his fields. He has a seed budget of $17,000.00 and has spent $9,200.00 to plant wheat seed
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