On a map of a city, the scale is 1 centimeter to 500 meters. If it is 4 kilometers between city hall and the library, how many centimeters is it on the map?8 cm
125 cm
2,000 cm
80 cm
Answers
1 cm ... 500 meters
x cm = ? ... 4 kilometers = 4000 meters
1 * 4000 = 500 * x
x = 1 * 4000 / 500
x = 8 cm
The correct result would be 8 cm.
Answer:
8 cm
Step-by-step explanation:
i just took a test and got it right
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What is the y-value of the solution to the system of equations? 3x + 5y = 1 7x + 4y = −13
Answers
(4x2)3 + 33
(4x2)3 + 93
(4x3)3 + 33
Answers
Thus, the answer to this item is the second choice, (4x^2)^3 + 3^3
your answer is...... b :)
x^2+3x-4/x+4
Answers
The requried expression x²+3x-4/x+4 simplifies to x - 1.
What is simplification?
Simplification involves applying rules of arithmetic and algebra to remove unnecessary terms, factors, or operations from an expression. The goal is to obtain an expression that is easier to work with, manipulate, or solve.
We can simplify the expression as follows:
[x²+3x-4]/x+4 = (x+4)(x-1)/(x+4)
(Factor the numerator as a product of two binomials: x^2 + 3x - 4 = (x+4)(x-1))
Cancel the common factor of (x+4) in the numerator and denominator, leaving:
= x - 1
Therefore, x²+3x-4/x+4 simplifies to x - 1.
Learn more about simplification here:
#SPJ3
1/(x+1) I researched and this is what I found
Answers
Hi
7|9n+10|=70
First divide both sides by 7
7(|9n+10|)/7= 70/7
|9n+10|=10
Now we need to find the absolute value
|9n+10=10
We know that either 9n+10=10 or 9n=10=-10
We have to possibility
The first possibility is
9n+10=10
Now we need to subtract 10 to both sides so we can find the value for n for the possibility 1
9n+10-10=10-10
9n=0
Now divide both sides by 9 so we can find the value for N
9n/9=0/9
n= 0
Now let's go for possibility 2
9n+10=-10
We gonna do the same thing for possibility 2 by subtract 10 from both sides
9n+10-10=10-10
9n=-20
Divide both sides by 9 so we can find the value for N
9n/9=-20/9
n= -20/9
Answer ; N=0 or N=-20/9
I hope that's help and good luck :)
Answers
How do i solve this linear equation using substitution method??
Answers
Answer:
x= 2, y= 1
Step-by-step explanation:
First label the 2 equations:
3x +7y= 13 -----(1)
5x +2y= 12 -----(2)
Make x or y the subject of formula for one of the equation so that we can substitute its value into the 2nd equation.
Here, I am making y the subject of formula in the 2nd equation.
5x +2y= 12
2y= 12 -5x
-----(3)
Substitute (3) into (1):
Expand:
Bringconstantstooneside:
Simplify:
Multiplyby-2onbothsides:
Divideby-29onbothsides:
x=2
Substitute x=2 into (1):
3(2) +7y= 13
7y +6= 13
7y= 13 -6 (-6onbothsides)
7y= 7
y= 7 ÷7
y= 1