The easy thing to do is eliminate x by subtraction

x + 7y = 24
- x - 9y = -24
-------------------
16y = 48

now solve for y and then substitute the value into either original equation to find x

5 0

4 years ago

Factor completely, then place the factors in the proper location on the grid. 25a2 +9b2 + 30ab

sergij07 [2.7K]

Answer:

(5a+3b)(5a+3b) or SQ(5a+3b)

Step-by-step explanation:

Now you can plot by referring to the above factors

8 0

3 years ago

A code consists of a single digit number from 0-9 and a letter from the alphabet. What is the probability that the code is 3Z? W

Nana76 [90]

The probability of it being 3Z is 1/27

4 0

3 years ago