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sergejj [24]
3 years ago
13

$52 lunch; 20% tip I need help on my work for school

Mathematics
2 answers:
makvit [3.9K]3 years ago
8 0

Answer:

62.4 or 41.6

Step-by-step explanation:


disa [49]3 years ago
7 0

Answer:

62.4


Step-by-step explanation:


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If x degree and 115 degree are co exterior angles find the vaule of x degree
Lesechka [4]

Answer:

65 degrees

Step-by-step explanation:

An exterior angle form a linear pair with an interior angle.

A linear pair of angles must add up to 180 degrees

180-115 = 65

3 0
3 years ago
The nth term of a sequence is n^2 + 20.
Olegator [25]

Answer:

\large\boxed{a)\ 21,\ 24,\ 29}\\\boxed{b)\ \text{five terms}}

Step-by-step explanation:

a_n=n^2+20\\\\a)\\\\\text{Substitute}\ n=1,\ n=2\ \text{and}\ n=3\ \text{to the }\ a_n:\\\\a_1=1^2+20=1+20=21\\\\a_2=2^2+20=4+20=24\\\\a_3=3^2+20=9+20=29

b)\\\\\text{You have to solve the inequality:}\\\\n^2+20

3 0
3 years ago
Tina observes the points on the plane of a paper. What is the minimum number of points required to make a plane
Aleksandr [31]
I think it's 5, I made a paper airplane and counted.
8 0
3 years ago
How do you factor and expression​
Jlenok [28]

Answer: Find the greatest common factor, and put in parentheses outside of the expression

Step-by-step explanation:

The greatest common factor is the largest number that all terms are divisible by. Here is an example: 4x+8y+12 In this example the greatest common factor is 4. So, first we divide the expression by 4 and put it in parentheses, giving us (x+2y+3). However, (x+2y+3) does not equal 4x+8y+12. We need to put the 4 we divided by in front of the parentheses, giving us 4(x+2y+3), which does equal 4x+8y+12. Hope this helps

4 0
3 years ago
Nour and Rana are shopping for a Christmas tree. They are deciding between 222 different types of trees (real and fake) and 444
Leno4ka [110]

Answer:

Both

Step-by-step explanation:

Nour made a tree diagram that is right and Rana made a graph that has all the outcomes and also it is right on khan academy

3 0
3 years ago
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