1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Pepsi [2]
3 years ago
15

XY bisects DF at point E. If DE=2y and EF=8y-3, find the value of DF​

Mathematics
1 answer:
nirvana33 [79]3 years ago
7 0

Answer:

Step-by-step explanation:

If XY bisects DF at point E, then DE = EF.

Given DE = 2y and EF = 8y-3

2y = 8y-3

subtract 8y from both sides

2y-8y = 8y-8y-3

-6y = -3

y = 3/6

y = 1/2

y = 0.5

DF = DE+EF

DF= 2y+8y-3

DF = 10y - 3

DF = 10(0.5)-3

DF = 5-3

DF = 2

You might be interested in
Pls answer this last question in full method​
Vaselesa [24]

Answer:

if the sum of two angles is 90° they are said to be complementary

If one angle is x

the other should be (90 - x)°

so the complementary angle of x is (90 - x)

5 0
3 years ago
Joey is running an experiment with a mass on a spring. Joey models the height of the mass above the table he is working on using
galben [10]

Answer: 1.8 s

Step-by-step explanation:

Given

The height of the spring mass system above the table is given by

h(t)=6.85\cos (3.42t)+9

The mass is performing S.H.M with frequency \omega =3.42

and \omega T=2\pi

\therefore T=\dfrac{2\pi }{\omega}

time when mass returns to its original position

T=\dfrac{2\pi }{3.42}\\\\T=1.8\ s

5 0
3 years ago
Given f(x) = 3x- 1 and g(x) = 2x-3, for which value of x does g(x) = f(2)?
Vedmedyk [2.9K]

Answer: x = 4

Step-by-step explanation: f(2) = 3(2)-1 = 5. Meaning x needs to be a value that makes g(x) = 5. You can set them up equal to each other 5 = 2x-3 and solve. You end up getting x = 4.

6 0
3 years ago
Give an example of how you use positive and negative numbers, and explain the meaning of 0 in your example.
EastWind [94]

Answer:

Meanings of the numbers:

Most numbers represent an amount. Positive numbers represent above zero. Zero is the only number that does not represent an amount. It means nothing. When you go lower than nothing, you are in the negative numbers. Negative numbers represent absent values pretty much.

How I would use them in every day life:

I would use positive numbers to represent... maybe something I'm trying to get at a store. Ex: 4 bananas

I would use negative numbers to... maybe look at the temperature. Ex: -16 degrees Fahrenheit. Negative numbers are in temperature all the time.

Hope this helps! (^-^)

6 0
3 years ago
Which are solutions of the equation (x + 5)(x – 3) = 0? Check all that apply.
djverab [1.8K]

Answer:x=-5 and x=3

Step-by-step explanation:

(X+5)(x-3)=0

X+5=0 or x-3=0

X=-5 or x=3

6 0
4 years ago
Other questions:
  • A tennis supply store pays a wholesaler $90 for a tennis racket and sells it for $144. What is the markup rate
    7·1 answer
  • describe the shape Center and spread of data distribution. are ther any outliers numbers 12 10 11 9 9 10 12 9 8 7 9 10
    7·1 answer
  • How to convert pounds to ounces
    11·2 answers
  • Response of Interest YesSample Size 55Count for Response 38Sample Proportion Confidence Interval Confidence Coefficient 0.95Lowe
    13·1 answer
  • Make an estimate. Write a number sentence for you estimate 927 divided by 8
    13·1 answer
  • What are the central ideas of this excerpt? Select two options.
    10·1 answer
  • Use the net to find the surface area of the regular pyramid.
    14·1 answer
  • Find the coefficient of z^3 in -7xy^2z^3
    5·1 answer
  • If the line represented by y=-1/4 x -2 is dilated by a scale factor of 4 centered at the origin, which statement about the image
    15·1 answer
  • <img src="https://tex.z-dn.net/?f=%20-%2010a%20-%209n%20%2B%2016%20-%2030%20%2B%203n%20%2B%2015a%20%2B%2050%20%2B%20a%20%3D%20"
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!