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trapecia [35]
3 years ago
9

Jan had x color pencils in her box and shares them equally with her friend,Talia.Her brother gives her 2 more color pencils.Jan

now has 3 pencils in her box
Mathematics
1 answer:
liberstina [14]3 years ago
8 0

3 = X/2 + 2

1 = X/2

2 = X

Jan had 2 pencils to start off with. She gave half (1 pencil) to Talia. Her brother gave her 2, which means she ends up with 3.

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every sixth visitor to an animal shelter gets a free animal calendar every twentieth visitor gets a free animal toy. Which visit
Akimi4 [234]
Here we have a case of the least common multipl(lcm) of 6 and 20.
Prime numbers 2,3,5,7,11,13,17,19... (natural numbers greater than 1 that has no positive divisors other than 1 and itself) .
lcm(6,20)= 6 20 | 2
                  3 10 | 3
                  1 10 | 2
                       5 | 5
                       1
2*3*2*5=60 The first one to get both calendar and the animal toy will be 60th.
 
Explenation: First we look for the smallest prime number with wich 6 and 20 can be devided by. That is 2. Next is 3. Since 10 is not divisible by 3, we only copy it. Under the 6 we got 1, wich is our goal. Now we continue to devide 10 by prime numbers till we also get 1. We now multiple all divisors and we get the least common multiple.
6 0
3 years ago
3. What is the length of side a rounded to the<br> nearest tenth of a centimeter?
nlexa [21]

Answer:

a=10

Step-by-step explanation:

a^2+b^2=c^2

8 is b

12.8 is c

a^2+64=163.84

a^2=99.84

a=√99.84

a=10

Hope this helps!

3 0
3 years ago
The angle of elevation to the top of the Empire State Building in New York is found to be 11 degrees from the ground at a distan
Svetllana [295]
Draw a picture of a building and a one mile (or 5280 feet) distance to a point from the base of the building. 

The angle of elevation is given as 11° and we want the height of the building or x. 

tan(11°) = x/5280 

5280 tan(11°) = x 

1026.3 feet = x 


I hope my answer has come to your help. Thank you for posting your question here in Brainly.
3 0
3 years ago
Read 2 more answers
250 students in a high school senior class are surveyed about what majors they intend to declare in college. Of the 250 students
Vilka [71]

Answer:

Program C allows students to earn a Mathematics degree (B.A. or B.S.) by combining courses in the Department of Mathematics with courses from one other department.  In most areas of specializations, mathematical and/or quantitative courses in other departments are part of the math degree program.  All Program C students take a minimum of five core math courses:  Calculus I, Calculus II, Calculus III, Introduction to Linear Algebra, and a proofs course, usually either Introduction to Abstract Algebra or Fundamental Properties of Spaces and Functions I.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Question Number 2!! Thank youu
rewona [7]

Answer:

56°

Step-by-step explanation:

Since triangle ABD and triangle CBD are congruent (SAS), so you can divide m∠ABC by 2 to get the m∠ABD and m∠CBD, or 56°.

3 0
2 years ago
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