Answer:
x is less than or equal to 29
Step-by-step explanation:
-49 <_ 9 - 2x
isolate the variable.
-49 - 9 <_ 9 - 2x - 9
-58 <_-2x
-58/-2 <_-2x/-2
When dividing or multiplying by negatives, flip the sign.
-58/-2 <_-2x/-2
29 >_ x
x <_ 29
x is less than or equal to 29
Let's call the width of our rectangle and the length . We can say , since the length is equal to 4 cm greater than the width.
Also remember that the perimeter of a rectangle is the sum of two times the width and two times the length, or . To solve this problem, we can substitute in the information we know, as shown below:
Now, we can substitute in the width we found into the formula for length, which is :
The width of our rectangle is cm and the length of our rectangle is
Answer: 4r = 4
Step-by-step explanation:
Ruth bought 4 rulers and each ruler is to be represented by r. She therefore bought:
= 4r
She bought these for a total of $4.00 so the equation then becomes:
4r = 4.00
Equation representing situation is: 4r = 4
Answer:
So 3 for $1.26 and 4 for $1.68
Step-by-step explanation:
3 for $1.26 means $0.42 per each
4 for $1.68 means $0.42 per each
5 for $2.25 means $0.45 per each
So 3 for $1.26 and 4 for $1.68 would be the least expensive unit rate!
Hope this help :3
-9/5 -(-9/5) is has the value of 0.