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4 years ago

10

HELP ASAP PLEASE!!!

1 answer:

Westkost [7]4 years ago

4 0

De acuerdo con todas las leyes de aviación conocidas, no hay forma de que una abeja pueda volar. Sus alas son demasiado pequeñas para despegar su pequeño cuerpo gordo. La abeja, por supuesto, vuela de todos modos. Porque a las abejas no les importa lo que los humanos piensan que es imposible

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Paul has three cube-shaped boxes. Each box is a different size

qwelly [4]

Answer:

See explanation

Step-by-step explanation:

Paul has three cube-shaped boxes. Each box is a different size and they are stacked from the largest to the smallest. Some information about the boxes is given below.

The combined volume of the three boxes is 1,197 cubic inches.
The area of one face of the medium box is 49 square inches.
The volume of the smallest box is 218 cubic inches less than the volume of the medium box.

1. The medium box has the area of one face of 49 square inches, then

$a^2=49\\ \\a=7\ inches$

is the side length.

The volume of the medium box is

$a^3=7^3=343\ in^3.$

2. The volume of the smallest box is 218 cubic inches less than the volume of the medium box, then the volume of the smallest box is

$343-218=125\ in^3.$

Ib is the side length, then

$b^3=125\\ \\b=5\ inches$

The area of one face is

$b^2=5^2=25\ in^2.$

3. The volume of the largest box is

$1,197-343-125=729\ in^3,$

then if c is the side length,

$c^3=729\\ \\c=9\ inches.$

4. The total height of the stack is the sum of all sides lengths:

$a+b+c=7+5+9=21\ inches$

5. Find the surface area of each box:

small $6b^2=6\cdot 5^2=6\cdot 25=150\ in^2;$
medium $6a^2=6\cdot 7^2=6\cdot 49=294\ in^2;$
large $6c^2=6\cdot 9^2=6\cdot 81=486\ in^2.$

In total, Paul needs

$150+294+486=930\ in^2$

of wrapping paper. He has 1,000 square inches, so Paul has enough paper to wrap all 3 boxes.

8 0

4 years ago

Since it is a terminating decimal, 4.9 is rational?

Rus_ich [418]

Answer:

Yes it is because it's terminating.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Select the number like that matches the expression |-6-(-3)|

Harman [31]

Answer:

3

Step-by-step explanation:

Firstly, do the numbers inside the absolute value bars.

-6-(-3)

The two negatives that are together turn to a addition sign.

-6+3

You can just subtract 6 and 3 which is 3 and add the - to it.

|-3|

The -3 turns to a 3 since the absolute value bars make all numbers positive within the bars.

Hope this helped.

8 0

3 years ago

What is 32% of 60? (Show work)

quester [9]

$= 60 \times \frac{32}{100 } \\ = 6 \times \frac{32}{10} \\ = \frac{96}{5} \\ = 19.2$

3 0

3 years ago

10. Sketch the graph of -5x^2- 16xy +7y^2-198 0. Show the steps used in rotating the axes

stiv31 [10]

So sorry i don’t know the answer but get an app called desmond, it helps a lot

5 0

4 years ago