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lisov135 [29]
3 years ago
8

10 points for this!!

Mathematics
1 answer:
MrMuchimi3 years ago
7 0
This is the answer for your problem

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PLEASEEEEE HELPPPP MEEEEEEE BRAINLIEST TO THE FIRST ANSWER AND 30 POINTS
icang [17]

Answer:

CD ≠ EF

Step-by-step explanation:

Using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = C(- 2, 5) and (x₂, y₂ ) = D(- 1, 1)

CD = \sqrt{(-1+2)^2+(1-5)^2}

      = \sqrt{1^2+(-4)^2}

      = \sqrt{1+16} = \sqrt{17}

Repeat using (x₁, y₁ ) = E(- 4, - 3) and (x₂, y₂ ) = F(- 1, - 1)

EF = \sqrt{(- 1+4)^2+(-1+3)^2}

     = \sqrt{3^2+2^2}

     = \sqrt{9+4} = \sqrt{13}

Since \sqrt{17} ≈ \sqrt{13} , then CD and EF are not congruent

     

6 0
3 years ago
The histogram below shows cell phone data usage in megabytes (Mb).
k0ka [10]

Answer:

200 – 300 Mb

Step-by-step explanation:

Becuse 200-300 is in the middle of the graph its a really simple qustion

4 0
3 years ago
A realtor makes a commission of $11,400 on a $190,000 house he sells. What is his commission rate?
Reika [66]
So bassically
his commision rate is
x% times 190000=comission
so x% times 190000=11400
divide both sdies by 190000
x%=11400/190000
solve for x percent
11400/190000=114/1900=3/50
x%=3/50
percent means parts out of 100 so x%=x/100
x/100=3/50
3/50=6/100
x/100=6/100
multiply both sdies by 100
x=6

the commision rate is 6%
4 0
4 years ago
5x 8 = 23 what is x in the equation
ivann1987 [24]
Hope this helps  x= 23/40 
6 0
3 years ago
How many students voted
Ivahew [28]

Answer:

Voted for what exactly? I could help you more if you had a more definitive question. Unfortunately, I cannot answer this for you.

5 0
3 years ago
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