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
tankabanditka [31]
3 years ago
10

Please answer this and thank you If DF=78, DE=5x-9, and EF=2x+10, find EF.

Mathematics
2 answers:
gregori [183]3 years ago
6 0
DE + EF = DF
5x - 9 + 2x + 10 = 78
7x+ 1 = 78
7x = 77
x = 77/7 = 11

EF = 2x + 10
EF = 2*11 + 10
EF = 22 + 10
EF = 32
AleksAgata [21]3 years ago
6 0

Question

If DF = 78, DE = 5x-9, and EF = 2x+10, find EF.

Answer

EF = 32

You might be interested in
In 12 hours, how many more kilometers could the yellow car go than the red car? show your work
trasher [3.6K]

Answer:

144

Step-by-step explanation:

12 times 12

3 0
3 years ago
D = 7.9 cm<br> Calculate the circumference of the circle.
marshall27 [118]

Answer: 24.806

Step-by-step explanation:

8 0
3 years ago
11. (RP. 3) A $90 pair of boots is on sale 25% off. How much do they cost now?
True [87]
B:65 dollars
Trustttt
5 0
3 years ago
Read 2 more answers
A toy factory makes a red toy, a green toy, and a blue toy. In a lot of 2,500 toys, 500 were red, 1,500 were green, and 500 were
Alborosie
<span>Could you please mark as brainliest? Number of defective blue toys = 0.04 * 500 = 20 Number of defective red toys = 0.04 * 500 = 20 40 defective blue and red toys Probability = 40 / 2500...which simplifies to 2 / 125 if you want your answer as a fraction or 1.6% if you want a percentage or 0.016 if you want a decimal</span>
4 0
3 years ago
Which function is the same as the linear function represented by the table ?
Bond [772]

Answer:

A) y = 3x – 2

Step-by-step explanation:

Just check the results: when you put the numbers of the x-colum from the table, the result will be the corresponding numbers of the y-colum. and that means this is the right equation

4 0
3 years ago
Other questions:
  • Could someone help with the questions in the images below? I found them difficult
    5·1 answer
  • Starting with the formula for the difference of cubes, which pair of steps can be used to show that the expressions are
    9·1 answer
  • 5.6<br> c<br> -<br> 7.2<br> &lt;<br> -<br> 15.6
    15·1 answer
  • How much trail mix will each person get if 5 people share 1/2 pound trail mix
    7·1 answer
  • How do you do <br><br>f(x)=12x+3 2units left<br>g(x)=<br><br><br>please help I'm confused ​
    13·1 answer
  • How do you solve this problem? 4a-3b+7a=
    7·1 answer
  • Given the diagram above, m∠Z is:
    6·1 answer
  • Thinking about 1/4 why is 1/4 equal a quarter and a reference to a dollar
    11·1 answer
  • Charlotte bought 25 cookies to share with her class, and 5 of them are oatmeal raisin. What percent of the cookies are oatmeal r
    15·2 answers
  • Express q(x)=12x^5+40x^4-32x^3 in the form described in the Linear Factorization Theorem. List each zero and its multiplicity.
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!