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True [87]
2 years ago
14

Can anyone help me find the value please?

Mathematics
1 answer:
AURORKA [14]2 years ago
5 0

Answer:

the answer is x=15 cm

Step-by-step explanation:

here the above given figure is a rectangle ABCD with diagonals AC and BD measuring AC= (x+10)cm and BD=(3x-20) cm

Now,

AC=BD

or, 3x-20 = x+10 [ diagonals of a rectangle are equal]

or, 2x = 30

or, x= 15 cm

I HOPE IT WILL HELP YOU!!!

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what is the best and easiest method to use to find sides A and B?

B

3 0
3 years ago
I need someone who will answer all five questions correctly. Give out 100 bonus points for who will answer all 5 correctly
KATRIN_1 [288]

Answer:

The circumference of the yellow circle is 9\pi or 28.27cm^2 approximately, the circumference of the blue circle is 6\pi or 18.85m^2 approximately, the circumference of the green circle is 80\pi or 251.33mm^2 approximately, the circumference of the red circle is 5\pi or 15.71cm^2 approximately, and the circumference of the pink circle is 7\pi or 21.99cm^2 approximately.

Step-by-step explanation:

To find the circumference of a circle, you need to multiply the diameter of the circle and multiply it by \pi. In this case, the circumferences of the yellow circle are 9\pi or approximately 28.27cm^2, the circumference of the blue circle is 6\pi or approximately 18.85m^2, the circumference of the green circle is 80\pi or approximately 251.33mm^2, the circumference of the red circle is 5\pi or approximately 15.71cm^2, and the circumference of the pink circle is 7\pi or approximately 21.99cm^2.

8 0
3 years ago
Please help, I need help.<br><br>I don't understand.
Lana71 [14]

Find slope of both

#1

  • (11,2)
  • (22,4)

\\ \tt\hookrightarrow m=\dfrac{4-2}{22-11}=\dfrac{2}{11}=1.8

#2

  • (0,0)
  • (5,1)

\\ \tt\hookrightarrow m=\dfrac{1-0}{5-0}=\dfrac{1}{5}=0.2

Option C is correct

7 0
2 years ago
The rule for Function A is y= -2/3x
Rom4ik [11]

Answer:

Both functions have negative rates of change

Function B has a greater rate of change than Function A

Step-by-step explanation:

we know that

<em>Function A</em>

The rule for Function A is

y=-\frac{2}{3}x

This is the equation of a proportional relationship (the line passes through the origin)

The slope is equal to m=-\frac{2}{3}

<em>Function B</em>

Find the equation of the function B

we have the points (-2,0) and (0,-2)

<em>Find the slope</em>

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values

m=\frac{-2-0}{0+2}

m=\frac{-2}{2}

m=-1

The equation of the function B in slope intercept form is equal to

y=mx+b

we have

m=-1\\b=-2

substitute

y=-x-2

<u><em>Verify each statement</em></u>

Option 1) Both functions have negative rates of change

The statement is true

Because, the rate of change is the slope of the linear equation

Function A ----> m=-\frac{2}{3}

Function B ----> m=-1

Option 2) Both functions have the same rate of change.

The statement is false (see the explanation)

The rate of change are different ( m=-2/3 and m=-1)

Option 3) When graphed, Function A and Function B are parallel

The statement is false

When graphed, Function A and Function B are intersecting lines, because their slopes are different

Option 4) Function B has a greater rate of change than Function A

The statement is true

Remember that the rate of change can be either positive (increasing function) or negative (decreasing function). To find out which function has a greater rate of change, compare the absolute value of their slopes

therefore

1 > 2/3

6 0
3 years ago
I need help on #3 please!
ad-work [718]
The answer is whole
Hope this helps
4 0
2 years ago
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