15 is 75% of what?
Answers
Answer: 20
Step-by-step explanation: In this problem, 15 is being represent as the part so we will have 15 over the part which we don't know which is going to be represented as 'x.' 75% is obviously the part which we will put over 100%.
Now, we can apply the cross products.
1500% = 75%x
X = 20
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Write the equation of the line that passes through the points (-1, -2), (2, 7).
21 trucks, each with a 2.5-ton payload, are needed to unload a freight train. How many trucks, each with a 3.5-ton payload, would be needed to do the same job? What is the constant of variation?
When cross canceling what does 16 and 3 have in common
x+5y=4
Solve by elimination
Answers
The solution to the system of equation 4x - 9y = -42 and x + 5y = 4 is x = -6 and y = 2.
What is the solution to the system of equations?
Given the system of equations in the question:
4x - 9y = -42
x + 5y = 4
To solve the system of equations using the elimination method, first multiply the second equation by 4:
4[ x + 5y = 4 ] → 4x + 20y = 16
Hence, we have:
4x - 9y = -42
4x + 20y = 16
Subtract the first equation from the second equation to eliminate 4x:
0 - 29y = -58
29y = 58
y = 58/29
y = 2
Plug y = 2 into equation 2 and solve for x;
x + 5y = 4
x + 5(2) = 4
x + 10 = 4
x = 4 - 10
x = -6
Therefore, the value of x is -6 and y is 2.
Learn more about system of equations here:brainly.com/question/28948523
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Answer:
x = -6 and y = 2
Step-by-step explanation:
4x-9y = -42
x+5y = 4
4x-9y = -42
4x + 20y = 16
Take them away from each other.
-29y = -58
Find what one y is by dividing.
-58 / -29 = 2
y = 2
Substitute back into original.
x + 10(5*y) = 4
Take 10 away to find x.
x = -6
Check if answer is correct.
4x - 9y = -42
-24 - 18 = -42
Final Answer: x = -6 and y = 2
Answers
Answer:
x = 112 × 213
Step-by-step explanation:
Let x be the number of cups required for 112 times of the recipe,
Given,
The number of cups for one recipe = 213,
So, the number of cups or 112 recipe ( or a recipe made 112 times ) = 112 × number of cups for each recipe
Which is the required equation.
your answer is 23903735856
heres how you solve it
213213 x 112112= 23903735856
Answers
6%=6/100=3/50
mixed numers are normally greater than 1, this isn't so it is simply
6/100 or 3/50
Answers
Answer:
6 1/2 cups of lemon juice
Step-by-step explanation:
3 1/4×2= 6 1/2
Answers
Based on the table, how many of the people could be expected to buy a pennant?
A. 1,375
B. 1,650
C. 2,750
D. 3,850
Answers
Hope this helps! :)