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3 years ago

How many 2 inch cubes are needed to completely fill a cubic box of edges 8 inches?

1 answer:

8 0

64 of them because 2 inch cubes are needed to completely fill a cubic box of edges 8 inches

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Can someone please answer. There is one problem. There's a picture. Thank you!

erastova [34]

I think there are 480 different ways too have a pizza with one cheese and 3 toppings

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3 years ago

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I need some help with this

Ivenika [448]

Answer:

a) 6.1 feet

b) 12.6 feet

Step-by-step explanation:

Using trigonometric ratios we know that:

$sin = \frac{opp}{hyp}\\cos = \frac{adj}{hyp}\\tan = \frac {opp}{adj}$

AKA SohCahToa.

To find the height, we will use sine.

$sin(26^o)= \frac{x}{14}\\14*sin(26^o)=\frac{x}{14}*14\\14sin(26^o)=x\\x=6.14$

To find the length we will use cosine.

$cos(26^o) = \frac{x}{14}\\14*cos(26^o)=\frac{x}{14}*14\\14cos(26^o)=x\\x=12.6$

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2 years ago

Which name accurately describes the figure shown below and why? A 4-sided figure with 2 parallel sides, 2 right angles, and 2 no

umka21 [38]

Answer:

A parallelogram because the figure described has exactly two pairs of parallel sides.

Step-by-step explanation:

A trapezoid only has one pair of parallel sides so it can't be that and it can't be a parallelogram with exactly one pair of parallel sides because they have two pairs.

4 0

3 years ago

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Simplify the expression 2√ 20 − 3√ 7 − 2√ 5 + 4√ 63 .

Kisachek [45]

Simplify √20 to 2√5

2 * 2√5 - 3√7 - 2√5 + 4√63

Simplify √63 to 3√7

2 * 2√5 - 3√7 - 2√5 + 4 * 3√7

Simplify 2 * 2√5 to 4√5

4√5 - 3√7 - 2√5 + 4 * 3√7

Simplify 4 * 3 √7 to 12√7

Collect like terms

(4√5 - 2√5) + (-3√7 + 12√7)

Simplify

2√5 + 9√7

Answer: B

3 0

3 years ago

Jackie plans to place a rectangular piece of art inside a rectangular frame. She considers a piece of art that is 0.5 meters lon

tamaranim1 [39]

Answer:

The art is rectangular because $(0.5) ^2 + (1.2) ^2 = (1.3) ^2$

(0.5) squared + (1.2) squared = (1.3) squared

Step-by-step explanation:

Given that the piece of art is rectangular in shape.

Length of piece of art = 0.5 meters

Width of piece of art = 1.2 meters

Kindly refer to the attached image in the answer area.

Two adjacent sides of a rectangle are given, the diagonal value can be found by using Pythagorean Theorem.

According to Pythagorean theorem:

$\text{Hypotenuse}^{2} = \text{Base}^{2} + \text{Perpendicular}^{2}$

Here, Hypotenuse will be the diagonal of the rectangle.

Base and Perpendicular will be the two adjacent sides.

Therefore,

$Diagonal^2 = 0.5^2+0.12^2\\\Rightarrow Diagonal^2 = 0.25+1.44\\\Rightarrow Diagonal = \sqrt{1.69}\\\Rightarrow Diagonal = 1.3\ m$

Therefore, the answer is:

The art is rectangular because $(0.5) ^2 + (1.2) ^2 = (1.3) ^2$

(0.5) squared + (1.2) squared = (1.3) squared

3 0

3 years ago

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