Answer:
Two-Step Addition
Two-Step Subtraction
Subtracting from 1,000
Doubling and Halving
Multiplying by Powers of 2
Multiplying by 9
Multiplying Even Numbers by 5
Multiplying Odd Numbers by 5
Squaring a Two-Digit Number that Ends with 1
these all can help you
Step-by-step explanation:
Answer:
Step-by-step explanation:
A factor tree is not unique for a given number. Instead of expressing 36 as 2 × 18, we can express 36 as 6 × 6. Prime factorization of 36 using factor tree method is 2 × 2 × 3 × 3 = 2² × 3².
Answer:
<em>The number of </em><em>pine tree is 119</em><em> and the number of </em><em>elm tree is 187.</em>
Step-by-step explanation:
The ratio of pine trees to elm trees in a park is 7:11
Let us assume that the number of pine tree is 7x and the number of elm tree is 11x.
It is also given that, there are 68 more elm trees as compared to the pine trees.
i.e 



Hence, the number of pine tree =
and the number of elm tree = 
(A) The value of x is 90 degrees. (B) The angle is a right angle.