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Anit [1.1K]
3 years ago
7

4x-5=2x+7 midpoint segmen

Mathematics
1 answer:
Bogdan [553]3 years ago
7 0

Answer:

x = 6

Step-by-step explanation:

The way to solve this is by subtracting 2x from both sides. Now we have

2x-5=7

Then we add 5 from both sides. Now we have

2x=12

We do this because we want X by itself

Then we divide by 2 on both sides and now we have

x = 6

If you have any questions feel free to ask in the comments.

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In ΔTUV, t = 69 inches, u = 74 inches and v=14 inches. Find the measure of ∠T to the nearest degree.
GenaCL600 [577]

Here is the answer, with a picture of how you do it:)

4 0
3 years ago
Suppose the heights of women at a college are approximately Normally distributed with a mean of 65 inches and a population stand
Zigmanuir [339]

Answer:

Step-by-step explanation:

Hello!

The variable of interest, X: height of women at a college, has an approximately normal distribution with mean μ= 65 inches and standard deviation σ= 1.5 inches.

You need to look for the value of height that marks the bottom 20% of the distribution, i.e. the height at the 20th percentile of the normal curve, symbolically:

P(X≤x₀)= 0.20

To know what value of height belongs to the 20% of the distribution, you have to work using the standard normal distribution and then reverse the standardization with the population mean and standard deviation to reach the value of X. So the first step is to look for the Z-value that accumulates 20% of the distribution:

P(Z≤z₀)=0.20

z₀= -0.842

z₀= (x₀-μ)/σ

z₀*σ= (x₀-μ)

x₀= (z₀*σ)+μ

x₀= (-0.842*1.5)+65

x₀= 63.737 inches

I hope it helps!

6 0
3 years ago
Read 2 more answers
Make double add 9+8=
vfiekz [6]

so maybe 6 plus 3 which equals 9. Then add 8 at the end

6 0
3 years ago
Create a linear equation to represent the monthly bill. When will the plans cost the same? Explain which plan is a better option
SVETLANKA909090 [29]
X  represents the number of minutes.
y represents the price of the bill.

Plan A
y = 25.75+0.75x

Plan B
y= 20.99+x

Plan A is better when it is more than 19 minutes.
Plan B is better when it is less than 19 minutes.
6 0
3 years ago
How many solutions does the system have?<br>20x - 5y = 5<br>4x- y = 1​
irga5000 [103]

Answer:

Infinate

Step-by-step explanation:

If you multiply all factors in the secon eqation by 5, you will get the first eqation.

Therefore for any value of x you can find y, thus having an infinate number of x,y pairs

7 0
3 years ago
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