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Zanzabum
3 years ago
5

2x + y = z solve for x

Mathematics
2 answers:
kogti [31]3 years ago
7 0

Answer:

x = z/2 - y/2

Step-by-step explanation:

LiRa [457]3 years ago
5 0

Answer:

2x + y = z

2x = z - y

x = (z-y) / 2

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Meg skateboards One-fourth of a mile in One-half of an hour. At this rate, how far will she skateboard in an hour? StartFraction
kiruha [24]

Answer:

1/2 Mile In 1 Hr. or 0.5 MPH

Step-by-step explanation:

Since we know 1/4 is in 30x

1 hr = 60x

1/4 = 30x and we're looking for 60x -->

Simply we multiply 1/4 by 2 giving us 2/4

--> simplify and we have 1/2

Final: 1/2

<u><em>Hope this helps!</em></u>

6 0
4 years ago
Read 2 more answers
The sum of two numbers is 60. Their difference is 24. Find the numbers.
prisoha [69]

Answer:

The Answer is: The first number is 42 and the second number is 18.

Step-by-step explanation:

Let f = first number and s = second number.

f + s = 60

f - s = 24

Solve for f:

f = 24 + s

Substitute:

24 + s + s = 60

2s = 36

s = 18, the Second Number

Solve for f:

f = 24 + s

f = 24 + 18 = 42, the First Number

Proof:

42 + 18 = 60

60 = 60

Then:

42 - 18 = 24

24 = 24

Hope this helps! Have an Awesome Day!! :-)

4 0
3 years ago
Given f(x)=5x+15 find f(x)=30
Schach [20]
Given the function, f(x) = 5x + 15:

In order to find the value of x when f(x) = 30, substitute the value of the output into the function:

f(x) = 5x + 15
30 = 5x + 15

Subtract 15 from both sides:
30 - 15 = 5x + 15 - 15

15 = 5x

Divide both sides by 5:
15/5 = 5x/5

x = 3

Therefore, the value of x when f(x) = 30 is 3, or f(3) = 30.
3 0
3 years ago
B is the midpoint of ACand E is the midpoint of BD. If A(-9, -4), C(-1, 6), and E(-4, -3), find the coordinates of D.
k0ka [10]
B = (-9 + (-1) /2) (-4 + 6 /2)
B = (-9-1/2) (2/2)
B = (-10/2) (1)
B = (-5) (1)
B = (-5,1)

E = (x1 + x2 / 2) (y1 + y2 / 2)
E = (-5 + x2/2) (1 + y2 / 2)
(-4, -3) = (-5 -3/2) (1 -7/2)
(-4, -3) = (-8/2) (-6/2)
(-4, -3) = (-4) (-3)
(-4, -3) = (-4, -3)

D (-3, -7)
5 0
4 years ago
Economists have found that the amount of corruption in a country's government is correlated to the gross domestic product (GDP)
Art [367]

Answer:

C. The GDP per capita of a country with a corruption score of zero.

Step-by-step explanation:

Economists found that amount of corruption in a country is correlated to the Gross domestic products of the country. The equation represents the the corruption score for every dollar per capita rise. The slope of the equation will represent the GDP per capita of a country with corruption score of zero.

8 0
3 years ago
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