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Nastasia [14]
4 years ago
12

Solve thr proprtion for x. 14/20=17/x+12

Mathematics
2 answers:
solong [7]4 years ago
8 0
I must assume that you meant 14/20 = 17 / (x+12).  If so, it's important to use parentheses to indicate that you are dividing 17 by (x+12).

Then your equation of proportions (ratios) is

  14              17
------ = -----------------
20              x+12

Let's cross-multiply:  14(x+12) = 340

Divide both sides by 14 to isolate (x+12):  x+12 = 340/14 = 24.29

Subtracting 12 from both sides, we get x = 12.29

You should check this answer by subst. it into the original equation of ratios.
Readme [11.4K]4 years ago
7 0
<span>Solve thr proprtion for x. 14/20=17/x+12</span>cross multiply:
14 * x + 12 = 20 * 17
Simplifying14 * x + 12 = 20 * 17
Reorder the terms:14 * 12 + x = 20 * 1712 * 14 + x * 14 = 20 * 17168 + 14x = 20 * 17
Multiply 20 * 17168 + 14x = 340
Solving168 + 14x = 340
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-168' to each side of the equation.168 + -168 + 14x = 340 + -168
Combine like terms: 168 + -168 = 00 + 14x = 340 + -16814x = 340 + -168
Combine like terms: 340 + -168 = 17214x = 172
Divide each side by '14'.x = 12.28571429
Simplifyingx = 12.28571429
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Harman [31]

Given:

The figures of triangles and their mid segments.

To find:

The values of n.

Solution:

Mid-segment theorem: According to this theorem, mid segment of the triangle is a line segment that bisect the two sides of the triangle and parallel to third side, The measure of mid-segment is half of the parallel side.

9.

It is given that:

Length of mid-segment = 54

Length of parallel side = 3n

By using mid-segment theorem for the given triangle, we get

54=\dfrac{1}{2}(3n)

2\times 54=3n

108=3n

Divide both side by 3.

\dfrac{108}{3}=n

36=n

Hence, the value of n is equal to 36.

10.

It is given that:

Length of mid-segment = 4n+5

Length of parallel side = 74

By using mid-segment theorem for the given triangle, we get

4n+5=\dfrac{1}{2}(74)

4n+5=37

4n=37-5

4n=32

Divide both side by 4.

n=\dfrac{32}{4}

n=8

Hence, the value of n is equal to 8.

3 0
3 years ago
Identify the type of function represented by f(x)=1/2(3)^x
Firlakuza [10]

The function represented by f(x) = (1/2)(3)ˣ is an exponential growth

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two numbers and variables.

An independent variable is a variable that does not depend on any other variable for its value whereas a dependent variable is a variable that depend on any other variable for its value.

The independent variable in the function f(c) = 2c + 9 is c whereas the dependent variable is f.

Find out more on equation at: brainly.com/question/2972832

#SPJ1

The independent variable in the function f(c) = 2c + 9 is c whereas the dependent variable is f.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two numbers and variables.

An independent variable is a variable that does not depend on any other variable for its value whereas a dependent variable is a variable that depend on any other variable for its value.

An exponential function is in the form:

y = abˣ

Where a is the initial value and b is the multiplication factor.

If b > 1, it is an exponential growth but if b < 1, it is an exponential decay.

Given the function:

f(x) = (1/2)(3)ˣ

since 3 > 1, it is an exponential growth.

The function represented by f(x) = (1/2)(3)ˣ is an exponential growth

Find out more on equation at: brainly.com/question/2972832

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3 0
2 years ago
Please answer it would rly help me out
miss Akunina [59]
I think the answers would be
four outcomes (bc four colors)
and
a 36% chance of grabbing a blue marble (4blue/11total)
6 0
3 years ago
Read 2 more answers
.........................​
weqwewe [10]

Answer:

The literals are; a, b, and c

The constants are; c, and 3

The variables are; x, and y

Step-by-step explanation:

The literals (numbers) are letters which represent numbers in an expression or equation, and to which mathematical operations, including, addition, subtraction, division, and multiplication can be applied

The given equation is a·x² + b·x + c - y + 3 = 0

The literals are;

'a', 'b', and 'c'

The constants are the values that remain the same always in an equation and does not change

The constants are;

'c', and '3'

The variables are the values that vary in relation to one another

The variables are;

'x', and 'y'

5 0
3 years ago
How do you find the minimum value of a quadratic function?
aniked [119]

The minimum value of a function is the place where the graph has a vertex at its lowest point.

There are two methods for determining the minimum value of a quadratic equation. Each of them can be useful in determining the minimum.

(1) By plotting graph

We can find the minimum value visually by graphing the equation and finding the minimum point on the graph. The y-value of the vertex of the graph will be the minimum.

(2) By solving equation

The second way to find the minimum value comes when we have the equation y = ax² + bx + c.

If our equation is in the form y = ax^2 + bx + c, you can find the minimum by using the equation min = c - b²/4a.

The first step is to determine whether your equation gives a maximum or minimum. This can be done by looking at the x² term.

If this term is positive, the vertex point will be a minimum; if it is negative, the vertex will be a maximum.

After determining that we actually will have a minimum point, use the equation to find it.

6 0
3 years ago
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