This must be a pretty big graph... but u put a don't on the y-axis at 1440 and then you go down 90 and to the right 1 and it should be a like going down since it is a negative slope
Step-by-step explanation:
I've used elimination method over here but it can also be done by using substitution.
Answer: The explanation of the given addition is mentioned below.
Step-by-step explanation:
Since Here we have numbers 324 and 231.
So if we want to add these two numbers then at first we should add 4 and 1, That is 4+1= 5, which is the once place digit of our answer.
Now we should add 2 and 3 , that is , 2+3 =5 which is the tense place digit of our answer.
Finally we should add 3 and 2 the result is 3+2= 5 , which is the hundreds place digit of our answer.
Thus the complete result is 555.
Answer:
x = 30
Step-by-step explanation:
Put in proportions =
Cross multiply and get 27x = 45 x 18
OR...
27x = 810.
THEN...
divide by 27 on both sides to get 30
x = 30
Answer: the test has 10 multiple-choice questions and 15 Word problems questions.
Step-by-step explanation:
Let x represent the number of multiple-choice questions in the test.
Let y represent the number of Word problems questions in the test.
The total number of multiple-choice and Word problems questions in the test is 25. This means that
x + y = 25
The multiple-choice questions are worth three points and Word problems are worth four points. The test is worth a total of 90 points. This means that
3x + 4y = 90 - - - - - - - - - - -1
Substituting x = 25 - y into equation 1, it becomes
3(25 - y) + 4y = 90
75 - 3y + 4y = 90
- 3y + 4y = 90 - 75
y = 15
x = 25 - y = 25 - 15
x = 10