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
MakcuM [25]
3 years ago
5

Which of the following are solutions to the equation below?

Mathematics
2 answers:
snow_lady [41]3 years ago
5 0

Answer:

<h2>E. x = 4</h2>

Step-by-step explanation:

5x^2-2x+16=4x^2+6x\qquad\text{subtract}\ 4x^2\ \text{from both sides}\\\\x^2-2x+16=6x\qquad\text{subtract}\ 6x\ \text{from both sides}\\\\x^2-8x+16=0\\\\\text{Put the values of}\ x\ \text{to the equation and check the equality:}\\\\A.\ x=-6\\\\(-6)^2-8(-6)+16=36+48+16=100\neq0\\\\B.\ x=6\\\\6^2-8(6)+16=36-48+16=4\neq0\\\\C.\ x=-3\\\\(-3)^2-8(-3)+16=9+24+16=49\neq0\\\\D.\ x=-4\\\\(-4)^2-8(-4)+16=16+32+16=64\neq0\\\\E.\ x=4\\\\4^2-8(4)+16=16-32+16=0\\\\F.\ x=18\\\\18^2-8(16)+16=324-128+16=212\neq0

Leona [35]3 years ago
3 0

Answer:

E

Step-by-step explanation:

You might be interested in
Pat’s Pooches charges an initial fee of $18 plus $8 an hour for doggy day care. Don’s Doggies charges an initial fee of $4 an ho
statuscvo [17]

Answer:    this is what i have

Step-by-step explanation:

8 0
3 years ago
the following scatter plot demonstrates that there is a positive correlation between the two quantities.
dlinn [17]
I think the answer is true.
 
6 0
4 years ago
If f(x) = 2x + 1 and g(x) = x2 find g (f(3))
galben [10]

Answer:

g(f(3)) = 49

Step-by-step explanation:

Evaluate f(3), then substitute the value obtained into g(x) , that is

f(3) = 2(3) + 1 = 6 + 1 = 7, then

g(7) = 7² = 49

3 0
3 years ago
Goran sold t shirts and hats at a festival his total profit was 106 he made a $4 profit for each t shirt he sold. he also made a
Mariana [72]

Answer:

Total profit = $106

Profit made from hats = $34

Therefore to find the number of t-shirts sold

Total profit - Profit from hats = Profit from shirts

$106 - $34 = $72

And the made $4 from selling one shirt so to find the number of t-shirts sold,

*Profit of t-shirts - Profit made from one t-shirt = number of t-shirts

therefore, $72/$4= 18.

Therefore, Goran sold 18 t-shirts.

4 0
3 years ago
Complete the similarity statement for the two polygons shown.
Gnoma [55]

Answer:

triangle RQPS

Step-by-step explanation:

the new image is mirrored and enlarged, so use that info. to find the corresponding sides to triangle ABCD.

4 0
3 years ago
Other questions:
  • Line l has the equatin y= 1/3x. Find the equation of the image l after a dilation with a scale factor of 1/2, centered at the or
    8·2 answers
  • Write an algebraic expression for the product of 15 and x​
    7·1 answer
  • The ratio of Sally’s CDs to Ray’s CDs is 2: 7. Ray has 49 CDs. If Ray gives Sally 21 CDs, what will be the new ratio of Sally’s
    8·1 answer
  • Which is more, 5 liters or 5,000 milliliters?
    13·2 answers
  • Find the x-coordinates of any relative extrema and inflection point(s) for the function f(x) = 6x(1/3) + 3x(4/3). You must justi
    7·1 answer
  • 3x - y = 6<br> What is the answer
    10·2 answers
  • Solve the equation<br> 3x + 5 = 2x - 3<br><br> x=8<br> X = 10<br> X= -8<br> X= -2
    5·2 answers
  • All corners are right angles.
    8·1 answer
  • What x 9 = 3? <br> 3 Divided by 9 = what
    13·2 answers
  • Find the first four terms of the sequence given by the following.<br> a₁ = -3.5"-1 n=1, 2, 3
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!