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arlik [135]
3 years ago
8

How many faces does a icosahedron have? A.)12 B.)10 C.)8 D.)20

Mathematics
2 answers:
grigory [225]3 years ago
8 0

Answer:

20 faces

Step-by-step explanation:

Aleks [24]3 years ago
6 0
It has exactly 20 faces.
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Please help and show work it helps a lot thanks
Vinvika [58]
Me to I was doing the work but just lost it I will try again
8 0
3 years ago
Someone explain it please
Alina [70]

9514 1404 393

Answer:

  ∠A = 44°

Step-by-step explanation:

In order to find the measure of angle A, you need to know the value of the variable x. This means you need some relation that you can solve to find x.

Happily, that relation is "the sum of angles in a triangle is 180°." This means ...

  84° +(x +59)° +(x +51)° = 180°

  (2x + 194)° = 180° . . . collect terms

  2x = -14 . . . . . . . . . . divide by °, and subtract 194

  x = -7 . . . . . . . . . . . .divide by 2

Now, the measure of angle A is ...

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4 0
3 years ago
4. A loan made on March 12 is due September 10 of the following year. Find the exact time for the loan in a non-leap year and a
saul85 [17]

Answer:

182 days

Step-by-step explanation:

Given:

Date on which loan is made = March 12

Due date of the loan = September 10

Now,

The months in between March and September and the number of days in the particular months are

Month                          Number of days

April                               30

May                                31

June                               30

July                                 31

August                            31

------------------------------------------

Total number of days =  153

also,

Number of days left in March after 12 are (31 - 12 ) = 19 days

and,

Number of days in September before the due date = 10 days

Hence, the total time for loan = 19 + 153 + 10 = 182 days

since the included months does not have the month of February. Therefore,

the time for both leap year and non-leap year will remain same.

7 0
4 years ago
Calculate the value of A please ?
Cloud [144]
A=7d+13
A=7(4)+13
A= 28+13
A=41
8 0
2 years ago
Help ill mark you brainlist
adell [148]
The differences between he numbers are 19, so the answer is 58 + 19 = 71
8 0
3 years ago
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