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jeka94
2 years ago
8

What is the definition of a four-dimensional (4-D) shape?

Mathematics
2 answers:
viktelen [127]2 years ago
7 0

A four-dimensional space or 4D space is a mathematical extension of the concept of three-dimensional or 3D space. Three-dimensional space is the simplest possible generalization of the observation that only three numbers, called dimensions, are needed to describe the size or position of objects in the everyday world. For example, the volume of a rectangular box is found by measuring its length (usually labeled x), width (y), and depth (z).

uranmaximum [27]2 years ago
6 0
X, Y, Z (vgcgbukbkhvgjv)
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What value of P makes the equation true 12-p+5=9<br> P=4<br> P=6<br> P=8<br> P=16
harkovskaia [24]

Answer:

p= 8

Step-by-step explanation:

just collect the like terms together

12+5-9= p

p= 8

7 0
2 years ago
The base of a triangle exceeds the height by 9 centimeters. If the area is 56 square centimeters, find the length of the base an
shepuryov [24]

Answer:

The height of the triangle is 7cm and the base is 16cm

Step-by-step explanation:

First of all we have to know the formula to calculate area of ​​a triangle

a = area = 56

b = base

h = heigth

a = (b * h)/2

we replace the known values and we make 2 equations

56cm² = (b * h)/2

b = h + 9cm

we replace b by (h + 9cm) in the first equation

56cm² = (h + 9cm * h)/2

56cm² * 2 = h² + 9h

0 = h² + 9h - 112cm²

we use bhaskara formula:

(-b (±) √ (b² - 4ac) ) / 2a

we replace with the known values

h = (-9 (±) √ (9² - 4*1*(-112) ) ) / 2*1

h = (-9 (±) √ (81 + 448) ) ) / 2

h = (-9 (±) √529) /2

h = (-9 (±) 23)/2

h1 = (-9 + 23) / 2

h1 = 14 / 2

h1 = 7

h2 = (-9 - 23) / 2

h2 = -32 / 2

h2 = -16

The height of the triangle is 7cm and the base is 16cm

8 0
3 years ago
Place the grouping symbols to make this equation true. 84-48/8-4=72
vlabodo [156]
84-6-4=72
48/4=12. 84-12= 72
84 - (48/(8-4)) = 84 - (48/4) -4 = 72
84 - 12 = 72
4 0
3 years ago
Can someone help it’s a test
asambeis [7]

Answer:

B

Step-by-step explanation:

45-45-90 rt. triangle

6 0
3 years ago
WILL GIVE BRAINLIEST!
Dovator [93]
D.
or divide 900 by 20 and see the closest
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3 years ago
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