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Vilka [71]
2 years ago
11

HELPPPP what is this

Mathematics
1 answer:
Alchen [17]2 years ago
8 0

Answer:

Pls be specific with your question

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E is the midpoint of DF, DE = 2x + 4, and EF = 3x + 1. Find DE, EF, and DF.
Agata [3.3K]
When there is a midpoint in a line segment, the two segments that are then produced have to be equal. So that means that because E is a midpoint of DF, DE=EF.
Set up the equation.
DE=EF
2x+4=3x+1
Then solve for x.
x=3
Then plug it back in the equation to find DE and EF.
DE=2x+4=2(3)+4=10
Because DE=EF then EF is also 10.
DF is made from the addition of DE and EF so DF is twice EF.
DF= 20

DE= 10, EF= 10, DF= 20

Hope this helps.
8 0
3 years ago
I need help on this please
Leya [2.2K]

The expression we have is:

2xy\cdot xy^2

And we are given some values for x and y:

\begin{gathered} x=2 \\ y=4 \end{gathered}

The first step will be to substitute the given values into the expression:

2(2)(4)\cdot(2)(4)^2

The next step is to solve 4^2 which is equal to 16:

2(2)(4)\cdot(2)(16)

And then we solve the multiplications, 2(2)(4) is equal to 16 and (2)(16) is equal to 32:

16\cdot32

Solving this final multiplication we get the result:

512

Answer: 512

8 0
1 year ago
Geometry Help Please!!!<br><br> See Picture Below
MArishka [77]

Answer:

2. RS = ST, Reason: Midpoint of a line (definition)

4. RS = XY, Reason: Transitive Property of congruence (if a=b, and b=c, a=c)

Step-by-step explanation:

A Midpoint divides a line exactly in half, due to the definition of a Midpoint. So, RS = ST, since they measure the same distance from the Midpoint. RS=XY because of the Transitive Property of Congruence. If ST = XY, and RS = ST, then RS = XY.

8 0
3 years ago
Please help right away
STALIN [3.7K]

Answer:

443 jelly boys

Step-by-step explanation:

the raius is 3.5, then square it is 12.25, multiplied by pie,  12.25*3.14159=38.4844775, then times 11.5 is 442.57149125‬, aproximately 443.

4 0
3 years ago
Brand A scooter has a top speed that goes 4 miles per hour faster than Brand B. If after 5 hours, Brand A scooter traveled 75 mi
Travka [436]

Answer:

11MPH

Step-by-step explanation:

I DIVIDED 75 AND 5 =11  HOPE THIS HELP

5 0
3 years ago
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