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Butoxors [25]
3 years ago
6

A zoo has 15 toucans and 60 parrots. What is the ratio of the number of toucans to the number of parrot at the zoo?

Mathematics
1 answer:
s2008m [1.1K]3 years ago
5 0
A 1:4

Find a common factor. In this case it’s 15
15/15=1 60/15=4
Therefore the answer Is 1:4
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DEFG is a rectangle. DF = 5x - 3and EG = x + 5. Find the value of x and the length of each diagonal.
erica [24]
d. x = 2, DF = 7, EG = 7
 
DF is equivalent to EG; Therefore, the equation would be like this:

5x - 3 = x + 5
Transfer 3 and x to their opposite side and change their signs.

5x - x = 5 + 3
4x = 8
Find x. Divide both sides by 4.

4x / 4 = 8 / 4
x = 2

Subsitute x in the equation to find the length of each diagonal.

DF = 5x - 3 = 5(2) - 3 = 10 - 3 = 7 ; DF = 7
EG = x + 5 = 2 + 5 = 7 ; EG = 7

8 0
3 years ago
Read 2 more answers
write a conjecture as to the number of sides as compared to the number of triangles formed when drawing diagonals from one verte
zmey [24]

Answer:The Collatz conjecture is a conjecture in mathematics that concerns a sequence defined as follows: start with any positive integer n. Then each term is obtained from the previous term as follows: if the previous term is even, the next term is one half the previous term. If the previous term is odd, the next term is 3 times the previous term plus 1.

Step-by-step explanation :an opinion or conclusion formed on the basis of incomplete information.

8 0
3 years ago
Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x.
lorasvet [3.4K]
Four times the sum of a number and 15 is at least 120
Let ‘x’ represent the number.
 "The sum of a number and 15"
This can be written mathematically as x + 15
 Given that 4 times this sum is at least 120,
This means that 4 times the sum is greater than or equal to 120
This can be written mathematically as 4(x + 15) >= 120
 Solving for x
 4(x + 15) >= 120
4x + 60 >= 120
4x >= 120 – 60
4x >= 60
x >= 60/4
x >= 15
 x is greater than or equal to 15 <span>
</span>
4 0
3 years ago
(-11)×[-52+(-17)-(-39)]
ANTONII [103]

Step-by-step explanation:

  • (-11)×[-52+(-17)-(-39)]
  • -11×[-52-17+39)]
  • -11×[-69+39]
  • -11×[30]
  • -330
5 0
3 years ago
The product of a complex number and its complex conjugate is <br> a real number.
Minchanka [31]

Answer:

The product of the complex number and its conjugate is a real number

4 0
3 years ago
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