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Lynna [10]
2 years ago
13

In the trapezoid below, x = [? ]

Mathematics
1 answer:
pantera1 [17]2 years ago
3 0

if this trapezoid is to scale, then the scale factor between the shortest and longest side is 1.5

so, that means that 1.5(2x+6) = 4x+2

so, your equation becomes 3x+9 = 4x+2

if you subtract 2 from each side, you get 3x+7 = 4x

meaning that x = 7

i hope this helps, and i'm sorry if it's wrong!! :)

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Please help me, What is the 6th term of the geometric sequence 1024, 528, 256...?
scoundrel [369]

The geometric sequence is B: 32

5 0
3 years ago
Identify the area of segment MNO to the nearest hundredth. HELP PLEASE!!
insens350 [35]

The area of a right triangle with side lengths 7 and 7 is \frac{bh}{2} = \frac{7*7}{2} = \frac{49}{2} = 24.5

4 0
3 years ago
How do u do this?? What’s the answer???
V125BC [204]

Answer:

A. c = 0.31b

Step-by-step explanation:

$7.44 = 24 juice bottles

[Divide by 24 on both sides]

$0.31 = 1 juice bottle

The cost is equal to the amount per juice bottle times the number of juice bottles, so:

c = 0.31b

(A trick to use when you don't know the answer: If there are multiple answers with the same numbers but the decimal places are in different places, it is probably one of those answers.)

6 0
3 years ago
I need to know how to solve these
My name is Ann [436]
1. make an equation
4x+7(20) = 5(x+20)
2. multiply the numbers and distribute 5 through the parenthesis
4x+140 = 5x+100
3. move variables to the left side and change its sign and move constant to the right side and change its sign
4x-5x = 100-140
4. collect the like terms and calculate the difference
-x = -40
5. change the signs on both sides of the equation
x = 40
he needs to use 40 pounds of the cheaper coffee.
hope this helped!
4 0
2 years ago
What is y=2/5x+800 graphed
marusya05 [52]

Answer:

The graph is a line with a gradient of 2/5, and which runs through the coordinate (0, 800) and (0, -2000).

Step-by-step explanation:

You can graph any line by drawing a line through two points that are on that line, and thus are part of the magical equation, which accounts for the description of any point on that line.

In fact that is exactly how a computer draws a graph. It plots a dot, wich coordinates are calculated by substituting a value in the formula. Next it does that for another coordinate, very close to the first one. Now you have two dots next to each other... and so on.

Because computers can calculate extremely fast, within an instant, the result is a plotted chart, which in this case looks like the graph of a line.

It's graph is a line with a gradient of 2/5, which goes through the y-axis at the coordinate (0, 800).

You could find another pont on this line, by randomly choosing a simple number for x and substituting that value in the equation. For an example, you could substitute x =2 in y=2/5x+800.

y = 2/5x+800

x = 2

y = 2/5*(2)+800

y = 10/5+800

y = 2+800

y = 802

So you now have another point (5, 802)

In general it is best to search for the value of x, when you substitute y = 0.

y = 2/5x + 800

y = 0

0 = 2/5x + 800

2/5x = ( -800 )

x = 5/2 * ( -800 )

x = -4000 / 2

x = -2000

So you now have another point ( which goes through the x-axis ) at the coordinate (0, -2000).

Now you can draw the graph of y=2/5x+800.

8 0
3 years ago
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