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erma4kov [3.2K]
3 years ago
5

Decimals that have the same value are

Mathematics
1 answer:
shepuryov [24]3 years ago
4 0
<span>Decimals that have the same value are equivalent decimals. Equivalent decimals are decimal numbers that have the same value (the same amount). In other words equivalent decimal numbers have the same value but different number of decimals. For example: 
0.5 and 0.50 are equivalent decimals.
0.5 and 0.500
0.05 and 0.0500

</span>
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30 POINTS
Romashka [77]

calculating each of the products

noting that i² = (√- 1 )² = - 1

(1 + 2i)(8i) ( distribute by 8i )

= 8i + 16i² = - 16 + 8i ← complex number

(1 + 2i)(2 - 5i) ( expand using FOIL )

= 2 - 5i + 4i - 10i²

= 2 - i + 10 = 12 - i ← complex number

(1 + 2i)(1 - 2i) ( expand using FOIL )

= 1 - 2i + 2i - 4i²

= 1 + 4 = 5 ← real number

(1 + 2i)(4i) ( distribute by 4i )

= 4i +8i² = - 8 + 4i ← complex number

(1 + 2i)(1 - 2i) is the only product which results in a real number


7 0
2 years ago
Multiple the following:
fredd [130]

Answer:

1.-9x^2

2.16x^4

3.x^2+4x

4.x^2+4x+4

5.x^2-x-12

6.x^4+2x^3-4x^2

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Tyrone used 15 centimeters of tape to wrap 5 presents. How many presents did Tyrone wrap if he used 42 centimeters of tape? Assu
Elan Coil [88]

Answer: 14 presents

Step-by-step explanation:

5 presents 42 cm tape

——————I-———————.

15 cm tape 1

= (5x42) /15 = 14 presents

4 0
3 years ago
Help , please and thanks
ira [324]

Answer:

891,962,172,409

try that

Step-by-step explanation:

5 0
3 years ago
A candy bar box is in the shape of a triangular prism. The volume of the box is 3,240 cubic centimeters.
SashulF [63]
<span>B: To make the box, we need 2 triangular ends,

and 3 rectangular sides. Side the volume = 3240

and the height = 30, the area of each base (end) = 108.

The sides have areas of 30 x 42 = 720, and 30 x 15 = 450,

and there are 2 of those. So total area = 108 + 108 + 720 + 900 = 1836 cm^2
 
creds to yahoo answer

</span>
8 0
2 years ago
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