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
Vikentia [17]
3 years ago
11

Brianna’s teacher asks her which of these three expressions are equivalent to each other. Expression A: 9x - 3x - 4 Expression B

: 12x - 4 Expression C: 5x + x - 4 Brianna says that all three expressions are equivalent because the value of each one is - 4 when x = 0. Brianna’s thinking is incorrect. Identify the error in Brianna’s thinking. Determine which of the three expressions are equivalent. Explain or show your process in determining which expressions are equivalent in the space provided.
Mathematics
2 answers:
kvasek [131]3 years ago
7 0
Brianna's thinking is wrong because obviously all of the expressions are going to equal -4 when x is 0 because -4 would be the only value. Also, if x was a different number, the expressions wouldn't be equivalent. The equivalent expressions are A. 9x - 3x - 4, and C. 5x + x - 4. This is because when both are simplified, they equal 6x - 4.
MAVERICK [17]3 years ago
7 0

Answer:

83853

Step-by-step explanation:

You might be interested in
Solve x - 20 > -15, and then graph the solutions. Use pencil and paper. Explain how
Artyom0805 [142]

Answer: x ≥ 6

Step-by-step explanation:

So 6 - 20 would equal -14 which is greater than -15 making it our inequality equal to or greater then 6

8 0
2 years ago
Indicate the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, -5).
balandron [24]
If it is bisector then it co ordinate points is in mid way(3,-2)

and it is perpendicular so its slope m2=-1/m1
where m1 is slope of another line passes through (4,1) nd (2,-5)

m1=-5-1/2-4=3
m2==-1/3

so equation of line is
y-3= -1/3(x+2)
4 0
3 years ago
Read 2 more answers
HELP ME IF RIGHT MARK BRAINLY
aalyn [17]

Answer:

A. m+7n+14

Step-by-step explanation:

Add parenthesis to help simplify.

(5m-4m)+(22-8)+7n

Simplify the expression.

m+7n+14

7 0
3 years ago
NEED EXPLANATION AND PROCESS!!!
Romashka-Z-Leto [24]

Answer:

x = 133

y = 43

Step-by-step explanation:

x + 47 = 180

so x is 133

47 + y = 90

so y is 43

3 0
3 years ago
brad took 5 kicks and made 4 goals: 4/5. Sydney will take 10 shots and she wants to make an equivalent fraction of the goals. ho
VladimirAG [237]
She must make 8 goals
8 0
3 years ago
Read 2 more answers
Other questions:
  • Find the generating function for the sequence 1,1,1,2,3,4,5,6,....
    5·1 answer
  • That's the passage I'm going to passage in next
    6·2 answers
  • The graph contains the points (-3,-2) and (3,0)<br><br> Help please!!
    10·1 answer
  • 30. Write an equation in point-slope form for the line through the given point with the given slope.
    9·1 answer
  • Convert the measurement 479cm
    6·2 answers
  • Which of the following equations are equations of circles? Choose all that apply
    15·1 answer
  • The current value of an investment is 125 percent of its initial value.The increase in value is $10million.What was the initial
    8·1 answer
  • I have to find the area of the shaded region. please helppp!!!!! xksnkskzks
    15·1 answer
  • A pole that is 3 m tall casts a shadow that is 1.23 m long. At the same time, a nearby building casts a shadow that is 42.75 m l
    15·1 answer
  • HELPPPPPPPPPPPP With this question ( taking quiz)
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!