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
agasfer [191]
3 years ago
9

I don't get itttt pls helpppp its khan academy

Mathematics
1 answer:
saul85 [17]3 years ago
7 0

Answer:

Opinion 4

Step-by-step explanation:

3

hope that will help you

You might be interested in
Need help now!!!<br> School starts soon!!!
Hatshy [7]

Answer:

Since 21 hundredths is 21over one hundred,21 hundredths as a Fraction is 21/100. If you divide 21 by one hundred you get 21 hundredths as a decimal which is 0.21. To get21 hundredths as a Percent, you multiply the decimal with 100 to get the answer of 20percent.

6 0
3 years ago
George has $49 which he decides to spend on x and y. commodity x costs $5 per unit and commodity y costs $11 per unit. he has th
FromTheMoon [43]

We are given the equations:

<span>5 x + 11 y = 49                    --> eqtn 1</span>

<span>u = 3 x^2 + 6 y^2               --> eqtn 2</span>

 

Rewrite eqtn 1 explicit to y:

11 y = 49 – 5 x

<span>y = (49 – 5x) / 11               --> eqtn 3</span>

 

Substitute eqtn 3 to eqtn 2:

u = 3 x^2 + 6 [(49 – 5x) / 11]^2

u = 3 x^2 + 6 [(2401 – 490 x + 25 x^2) / 121]

u = 3 x^2 + 14406/121 – 2940x/121 + 150x^2/121

u = 4.24 x^2 – 24.3 x + 119.06

Derive then set du/dx = 0 to get the maxima:

du/dx = 8.48 x – 24.3 = 0

solving for x:

8.48 x = 24.3

x = 2.87

 

so y is:

y = (49 – 5x) / 11 = (49 – 5*2.87) / 11

y = 3.15

 

Answer:

<span>George will choose some of each commodity but more y than x.</span>

7 0
3 years ago
chet needs to buy 4 work shirts,all costing the same amount .the total cost before chet appplies a $25 gift certificate can be n
Rashid [163]
So for this problem, let us use x as the cost before Chet would apply a $25 gift certificate. Based on the problem, we can see that the original cost of the product cannot be more than 75 which means that it can be equal to 75 or less than 75. We can actually express the inequality as x< or = 75 since we are looking for the cost before Chet applied the $25 gift certificate. This means that we do not need to add in the 25 yet since the question asks for the cost before the application of the discount. 
5 0
3 years ago
Error Analysis Your friend says that the volume of this sphere is 44.58
Maurinko [17]

Answer:

  • the given dimension was used as the radius
  • 5.57 m³

Step-by-step explanation:

The volume of a sphere can be found using the formula ...

  V = 4/3πr³ . . . . . where r is the radius

__

The figure points to a diameter line and indicates 2.2 m. The arrowhead is in the middle of a radius line, making it easy to interpret the dimension as the radius of the sphere.

If 2.2 m is used as the radius, the volume is computed to be ...

  V = 4/3π(2.2 m)³ ≈ 44.58 m³

This agrees with your friend's volume, suggesting the diameter was used in place of the radius in the computation.

__

The correct volume, using 2.2 m as the diameter, is ...

  V = 4/3π(1.1 m)³ ≈ 5.57 m³

6 0
2 years ago
Order the numbers from least to greatest.<br><br> −34, 0.5, 23,−73, 1.2
dybincka [34]

Answer:

0.5,1.2,23,-34,-73

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • The area of a circular place is 45 square inches.estimate the radius to the nearest integer
    10·1 answer
  • Which events are dependent? Choose all that apply.
    14·2 answers
  • Chad created a table that shows the ratio of his role playing game cards.
    9·2 answers
  • What is the period of the sinusoidal function? Enter your answer in the box.
    6·1 answer
  • Exponential form 1 x 1 x 1 x 1 x 1 x 1 x 1 x 1
    7·2 answers
  • 2. Encuentra o solocion de la cocasion X²-x-30=0​
    5·1 answer
  • 4 2/3 - 3 1/8<br> Leave your answer as a mixed fraction
    15·1 answer
  • -6+x/4=-5 what does x equal
    6·1 answer
  • Pls tell me what is 152 + 466
    10·2 answers
  • Jan's office contains 12 file cabinets.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!