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
BARSIC [14]
3 years ago
11

How did I lose 5 points?

Mathematics
1 answer:
PolarNik [594]3 years ago
4 0

x + 4 = 3x - 8, is assuming D is the midpoint, and therefore ED = DB.

all we know is that D is <u>somewhere</u> in EB.


\bf E\stackrel{x+4}{\rule[0.35em]{17em}{0.25pt}}D\stackrel{3x-8}{\rule[0.35em]{10em}{0.25pt}}B&#10;\\\\\\&#10;EB=ED+DB\implies EB=(x+4)+(3x-8)\implies EB=4x-4

You might be interested in
Brainliest + Points!<br><br> Please explain !
Morgarella [4.7K]

Answer:

A) -2/5

Step-by-step explanation:

Note that for a slope, the slope of the line is found by using the equation:

slope = (rise/run).

In this case, find two points. For example, i will use:

(0, 2) & (5, 0). (x = 0, y = 2) ; (x = 5, y = 0)

Note that "rise" = y, and "run" = x. Plug in the corresponding numbers for the corresponding points.

(2 - 0)/(0 - 5) = slope

Simplify

(2)/(-5) = slope

-(2/5) is your answer.

Note that it does not matter where the negative sign is placed.

~

6 0
3 years ago
When Tomas simplified the expression -2.6 + (-5.4), he got 2.8. what mistake did Tomas likely make?
vladimir2022 [97]

Tomas used incorrectly the rule of signs, the expression should be simplified as follows:

-2.6 + (-5.4)

-2.6 -5.4 = 8

<h3></h3><h3>What mistake did Tomas likely make?</h3>

Here Tomas wants to perform an addition between two numbers:

-2.6 + (-5.4)

And the outcome that Tomas gets is:

-2.6 + (-5.4) = 2.8

Here his mistake seems to bee that he thought the second number was a positive number, and he solved the operation:

-2.6 + 5.4

So, he used wrong the rule of signs.

Remember that the rule of signs says that:

(-)*(+) = (+)*(-) = (-)

Using that, we can rewrite the original expression:

-2.6 + (-5.4)

to:

-2.6 - 5.4

Solving that, we get:

-2.6 - 5.4 = -8

Which is the outcome that Tomas would have gotten if he had used correctly the rule of signs.

If you want to learn more about the rule of signs:

brainly.com/question/13333620

#SPJ1

5 0
1 year ago
Which number is composite?<br> 2<br> 5<br> 11<br> Done
kari74 [83]

Answer:

None of the above.

Step-by-step explanation:

They are all prime numbers!

3 0
3 years ago
They’ve had to write five pages for a book report. How many hours would it take him to write it if he wrote 1/6 of the page each
Katyanochek1 [597]
1/6 page = 1 hour
1page= 6 hours
5 pages would be 30 hours
6 0
2 years ago
Read 2 more answers
How can the quotient of powers law be used to show that a negative exponent is equivalent to the reciprocal
Kay [80]

Answer:Thus,  (-3)-4 = 1/(-3)4.

Step-by-step explanation:

Negative exponents have the following property:   n-m = 1/nm   OR   1/n-m = nm

So for  (-3)-4 ,  n= -3 and -m= -4 (or m= 4).

Thus,  (-3)-4 = 1/(-3)4.

8 0
1 year ago
Other questions:
  • What is the value of h^{-1}(-4)
    11·1 answer
  • Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 36. How old is each sister?
    10·2 answers
  • Cos(45-150) exact answer
    8·1 answer
  • Is -.012578142 rational or irrational
    15·1 answer
  • Using the ratio of perfect squares method, what is square root of 14 rounded to the nearest hundredth? Do not use your calculato
    7·1 answer
  • 45 1/3 x 8 1/9 = m<br> m = ?<br> If you answer I will rate you 5 stars. Thank you!
    14·1 answer
  • How much larger is 6.3 x 10^6 than 4.9 x 10^4 ?
    9·1 answer
  • Is 9y+3=0 a nonlinear ?
    11·2 answers
  • Im having a argument in the class comments with this kid about this lol
    10·2 answers
  • Plz tell the correct meaning of simplification​
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!