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forsale [732]
4 years ago
5

Metallic colored plastic is being injected into molds to manufacture small beads for a crafts supplier. One of these beads is co

mprised of attached congruent square pyramids, as shown below.
7 mm
6 mm
How much plastic is needed to make each of these beads?
A. 112mm3
b 504mm3
c. 168mm3
d84mm3
Mathematics
1 answer:
saveliy_v [14]4 years ago
3 0

Answer:

Volume of Beads = 84 mm³

Step-by-step explanation:

Given:

Side of base = 6 mm

Height = 7 mm

Find:

Volume of Beads

Computation:

Volume of Beads = Volume of a square pyramid

Volume of Beads = [1/3][Area of base][h]

Volume of Beads = [1/3][6 x 6][7]

Volume of Beads = 84 mm³

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The question is in the picture
ryzh [129]

Answer:

105

Step-by-step explanation:

Using basic algebra and the fact that the sum of all angles in a triangle always equals 180, we find that X = 21

Multiply 21 by three to find the value of 3x, which is 63

Add 12 to 63: 75

We also know that the angle of a straight line is also 180, so we subtract 75 from 180 to find ? which is 105

Hope this helps :)

8 0
3 years ago
A rectangular park, 90 meters by 60 meters, is to be built on a city block having an area of 9000 m^2. A uniform strip borders a
stealth61 [152]

Answer:

x = 10.52 m

Step-by-step explanation:

Given that,

Length of a park = 90 m

Width of a park = 60 m

Area, A = 9000 m²

A uniform strip borders all four sides of the park for parking. We need to find the width of the strip. Let it is x. Now the area becomes,

(90+2x)(60+2x) = 9000

4x^2 +120x +180x =5400 = 9000\\\\x=10.52\ m

So, the width of the strip is equal to 10.52 m.

8 0
3 years ago
(16.) GI = 23x - 33<br> KI = 6x + 22<br> Solve for x
Ede4ka [16]

Answer:

The "x" value is 7

Step-by-step explanation:

If the shape in the image is a rhombus then we know that GI is consisted of two KI's. So now we can write the following equation....

GI = (2)(KI)

23x - 33 = (2)(6x + 22)

23x - 33 = 12x + 44

23x = 12x + 77

11x = 77

x = 7

4 0
3 years ago
A die was rolled eight times. The rolls were 2, 2, 3, 4, 4, 5, 6, and 6. What is the mean absolute deviation for this data?
Liono4ka [1.6K]
The answer is C) 4 I believe that is right.
3 0
3 years ago
The base of a cuboid is square with an area of ​​25 cm square. Its height is 10 times greater than the base rib. Find how many c
katovenus [111]

The cl of water when it is filled to 70% of its height is  87.5 cl.

<h3> Description of a cuboid</h3>

A cuboid is a three dimensional object. The volume of a cuboid is determined using this formula: width x length x height

Width and length = √25 = 5cm

Height = 10 x 5 = 50cm

<h3>Volume of the cuboid </h3>

Volume = 50 x 25 = 1250 cm³

Volume when its filled to 70% of its height = 70% x 1250 = 875 cm³

<h3>Conversion of cm to cl</h3>

1cm = 0.1 cl

875 x 0.1 = 87.5 cl

To learn more about cuboids, please check: brainly.com/question/9740924

8 0
3 years ago
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