3 times as much as 40
40 x 3
40 + 40 + 40
40
40
40
----
120
120 is the answer
Answer:
x + 1
y = 9
Step-by-step explanation:
In order to solve this question we need to represent "y "in terms of "x" in the first equation, and the plug in the "y" value in the first equation into the second one. Luckily for us in the first equation it already shows what "y" is equal to in terms of "x" (based on the first equation y = -x + 10). Now we just need to plug in the value that we got instead of "y" in the second equation, and so we get....
y = 7x + 2
(plug in the y value and get the following ….)
-x + 10 = 7x + 2
(now just solve the following equation)
-x + 10 + x = 7x + 2 + x
10 = 8x + 2
10 - 2 = 8x + 2 - 2
8 = 8x
8/8 = 8x/8
1 = x
Now that we know the value of "x", all we need to do now is substitute the value of "x" into any of the equations and we will get the value of "y". So we do the following.....
y = 7x + 2
y = 7(1) + 2
y = 7 + 2
y = 9
Answer:
27
Step-by-step explanation:
Given the expression
According to law of indices, this can be written as;
Hence the required answer is 27
Answer:301.59389
Step-by-step explanation:
254.47+47.12389=301.59389
Answer:
4
Step-by-step explanation:
16 dollars in all- we can assume the dollars are paid per mile.
4 miles- 16/4 = 4 dollars per mile
