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Rama09 [41]
3 years ago
9

I need help with geometry

Mathematics
1 answer:
pychu [463]3 years ago
3 0
I believe the answer is 44
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Simplify the expression to a + bi form:<br> (1 – 6i) + (12 + i)
Alenkasestr [34]

\\ \sf\longmapsto (1-6i)+(12+i)

\\ \sf\longmapsto 1-6i+12+i

\\ \sf\longmapsto 1+12-6i+i

\\ \sf\longmapsto 13-5i

4 0
3 years ago
Read 2 more answers
Solve the following systems of 3-variable linear equations.​<br><br><br><br>50 points
Natali [406]

Answer:

x = 9/25

y = 7/25

z = 4/25

Step-by-step explanation:

2x + y = 1 .......(1)

3y + z = 1 ........(2)

x + 4z = 1 ........(3)

Elimination 1 and 2

2x + y = 1 | ×3 |

3y + z = 1 | ×1 |

6x + 3y = 3

3y + z = 1

___________--

6x - z = 2 .............. (4)

Elimination 3 and 4

x + 4z = 1 | ×6 |

6x - z = 2 | ×1 |

6x + 24z = 6

6x - z = 2

___________--

25z = 4

z = 4/25

Elimination 3 and 4

x + 4z = 1 | ×1 |

6x - z = 2 | ×4 |

x + 4z = 1

24x - 4z = 8

___________+

25x = 9

x = 9/25

Subsitution 1

2x + y = 1

2(9/25) + y = 1

18/25 + y = 1

y = 1 - 18/25

y = 25/25 - 18/25

y = 7/25

7 0
2 years ago
a chocolate chip cookie has 10 more calories than an ice cream cone. together they have a total of 310 calories.
jasenka [17]

Answer:

The total would be 300

Step-by-step explanation:

310

-10

-----

300

5 0
3 years ago
For a field trip 20 students rode in cars and the rest filled eight buses. How many students were in each bus if 340 students we
Varvara68 [4.7K]

Answer:

40 students were in each bus on the trip.

Step-by-step explanation:

Since 20 students rode in cars, subtract 20 from 340. This results in 320.

There are 8 school busses, so divide 320 student into 8 busses.

This results us in 40 students in each bus.

3 0
3 years ago
Read 2 more answers
Find the distance between 2-4i and d 6+i
liq [111]

Answer:

7.211

Step-by-step explanation:

-For two points in the complex plane, the distance between the points is the modulus of the of the difference of the two complex numbers.

-Point 2-4i has the coordinates (2,-4)

-Point 6+i has the coordinates (6,1)

#We must find the distance between the two coordinates (2,-4) and (6,1):

=\sqrt{(6-2)^2+(1--4)^2}\\\\=\sqrt{4^2+6^2}\\\\=\sqrt{52}\\\\=7.211

Hence, the distance between the two points is 7.211

8 0
2 years ago
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