The store charge that has to be charged should be 20$
How to solve for the chargeFirst we have to solve for revenue
Revenue = Price x quantity
= p * 120-3p
= 120p - 3p²
The maximum revenue is at the point where p = - b/2a
Hence we have
-120/2 *-3
= -120/-6
= $20
Hence the amount that has to be charged by the store should be $20
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Can someone explain how to do this? I'm so confused and I have a test on it tomorrow.
Answer:
You have to know how to do exponents.
Step-by-step explanation:
For example, 6r2 x 2r6 = 36r x 64r = 2,304r
I am not sure if this is exactly how you do it.
Answer:
Sorry if I'm wrong but...…..
I think the first one is an equation and it's a fraction with powers. (4 and 5).
The next one is a fraction and it is to the power of the number above you have to figure out if you have to multiply the powers with the number under it add them and divide or multiply them by the other number.
The third one is a multiplication problem you have to figure out what "r" is to figure it out you have to do 6 to the 2nd power to get r and you have to do 2 to the 6th power to get the other r. Then multiply the numbers together tp get the answer.
Hope this helps!
- Hannah
CAN SOMEONE HELP ME PLEASE!!!!!!!!!!!
Answer:
40m
Step-by-step explanation:
Multiply 20 Times and 8 miles
a triangle has a side length of 6 centimeters , 8 centimeters, and 12 centimeters the triangle is to be enlarged by a scale factor of 2.5 what will be the length of the longest side in the new triangle
A 9 cen
B 12 cen
C 30 cen
D 18 cen
Answer:
30 centimeters
Step-by-step explanation:
12 times 2.5 = 30
Answer:
C. 30 centimeters
Step-by-step explanation:
Please answer B and C as fast as possible! Tysm <3
Answer:
Step-by-step explanation: BC = 3.75 and CD is 7.5
Alice spins the spinner 2 times.
What is the probability that the spinner stops on A and then B, or on B and then A?
1/9
2/9
1/3
5/9
Answer:
2/9
Step-by-step explanation:
because there is 3 so 3x3 =9
there is 2 spots where they want it to land
HELPPPP PLEASE. Ill give a brainliest I guess
Answer: It’s D. I got this on my test, I also multiplied to be sure.
Maria decides to use the method of proportions and similar
triangles to find the height of a tree. She measures the length of the
tree's shadow and finds it is 44 feet long. Then she holds a 12-inch
ruler perpendicular to the ground and finds that it casts an 8-inch
shadow. How tall is the tree?
a. 5.5 ft c. 66 ft
b. 29 ft d. 132 ft
Answer:
b
Step-by-step explanation:
Brittany bought a dress that cost $22.50. If the sales tax is 6.5%, how much tax did she pay? PLZZ ITS TIMED
Start with your $22.50 subtotal (cost without tax)
Then, solve for 6.5% of $22.50
Set your equation up like so: 6.5/100=x/22.50
Cross multiply then you should have 100x=146.25
Solve to get 1.4625% (If you need it rounded, it's 1.5%)
1.5% ----> $1.46
$22.50+$1.56=$23.96
She spent $23.96
I'm pretty sure the answer's $1.46.
($1.46 is the amount of tax, not the total)
Hope this helped, please mark brainiest!
State if each pair of ratios forms a proportion....EXPLAIN AS WELL PLS!!!
1.) 10/16 and 2/4
2.) 2/3 and 8/15
3.) 10/9 and 2/3
4.) 16/12 and 2/4
5.) 4/2 and 16/8
6.) 6/16 and 3/4
7.) 9/6 and 3/2
8.) 9/12 and 3/4
9.) 10/12 and 2/3
10.) 4/2 and 20/6
11.) 4/2 and 24/8
12.) 4/3 and 16/18
Answer:
1. 4/12 , 6/8
2. 16/12 , 3/4*
3. 3/2 , 15/14
4. 10/16 , 5/8
10/16 = 5/8
Which ratio forms a proportion with 9/15?
1. 6/10
2. 16/21
3. 36/50
4. 45/70
9/15 = 3/5 which is 6/10
A textbook weighs 2.5 pounds. How many kilograms does the textbook weighs? Round your answer to the nearest tenth of a pound. 1 kg = 2.2 lb
1. 1.1 kg
2. 1.8 kg
3. 5.5 kg
4. 4.7 kg
2.5 lbs * (1 kg/2.2 lbs) =
Solve the proportion using number sense. 2/8 = x/ 48
1. 6
2. 12
3. 16
4. 8
8 * 6 = 48
so what is 2 times 6 ?
or another way
1/4 * 48 = 12
Solve the proportion using cross products. 18/20 = k/110
1. 99
2. 122
3. 3.3
4. 2.9
20 k = 18*110
2 k = 18 *11
k = 9 * 11
Are the ratios 8/12 and 10/25 proportional? Explain
8/12 = 2/3
10/15 = 2/3 so no way 10/25 is 2/3
A 10-acre field produced 750 bushels of corn. At the rate, how much corn can be produced from a 14-acre field?
14 acres * ( 75 bushels/acre)
or
10/750 = 14/x
Step-by-step explanation:
hope this help and plz mark me a brainiest
Find the unit rate: 340 birds seen in 5 hours
340/5 = 60 tjhflkjernf eworigfj oaeiwrjf okrijfg [poeirjg [apwoierj a[wporgj [aopirwjgj [paoirweij oierj [apiowrj [irjg
Answer:
68 b/h (birds per hour)
Step-by-step explanation:
340 ÷ 5= 68
Which of the following is NOT a characteristic of eukaryotes? A. unicellular B.has a nucleus C. has membrane-bound organelles D.multicellular
be quick plz
Answer:
D. Multicellular
Step-by-step explanation:
Because eukaryotes are single cell..
Answer:
C
Step-by-step explanation:
well eukaryotes are able to be either unicellular, or multicellular so A and D ore not correct.
eukaryotes have a nucleus so B is wrong as well.
PLS DO ASAP I WILL GIVE BRIANLEST
Answer: Hope this helps even im not 100% sure
12. 2.3
13. 4/13
14. 8 7/11
15. 0.78
16. YES because pi is a repeating decimal
(Give me brainliest?)
I NEED HELP ASAP PLZ ILL GIVE BRAINLIEST..... I PROMISE!
Answer:
First what are the choices
Step-by-step explanation:
Also I believe that Blake has more grams than Chance or chase whatever If im wrong let me know dont take it against me
Answer: i thank it is
5.67 and 8.1
Step-by-step explanation:
Please help with these two math questions!!!
Answer:
&
Step-by-step explanation:
12.) If one ticket is $9.50, and 879,575 tickets were sold, the two need to be multiplied. 9.5 * 879,575 = 8355962.50
So the total profit was $8,355,962.50
If each theater made an equal profit of that total, then just divide it by 755, but if that's not the case, then don't do that.
13.) If the boat can carry 582 passengers, and 13,105 people had ridden the first boat, then you have to divide the number of people riding the boat by the passenger count to determine the amount of trips made.
13,105 / 582 is 22.5, but you can round it to 23, because half of a trip isn't going to be made. I'm not entirely sure when the second question means, so... sorry, can't answer that one.
Hope this helps somewhat!
What is the best way to describe the changes to the characters in the story "Thank You, Ma'am?"
A- Each character is viewed in a different way by the time the story concludes.
B- Each character becomes a different person once the rising action is complete.
C- Mrs. Jones changes from a big scary woman into a kind, warm-hearted character.
D-The boy changes from a bad purse-snatcher to a grateful visitor in the woman's home. help plz!!
Answer:
A- Each character is viewed in a different way by the time the story concludes
Step-by-step explanation:
What is 6 1/3 1/6 Equal to?
A.6
B.9
c.12
D.19
E.38
Answer:
c i think
Step-by-step explanation:
Answer:
E
Step-by-step explanation:
Please help me and explain. I don't understand.
Answer:
A
Step-by-step explanation:
Answer:
yes they are similar.
Step-by-step explanation:
Giving brainliest, and 50 points pls help
Answer:
1.x−7=4
Answer:
x=11
2.9+x=14
Answer:
x=5
3.x+7=16
Answer:
x=9
4.x+3=−18
Answer:
x=−21
5.17+x=18
Answer:
x=1
6.23=x−13
Answer:
x=36
7.4=x+12
Answer:
x=−8
8.19=x−6
Answer:
x=25
9.x−2=21
Answer:
x=23
10.x−7=−26
Answer:
x=−19
11.11=x+5
Answer:
x=6
Step-by-step explanation:
Hope I helped
Brainliest plz
Carly is pouring sand into a rectangular container with dimensions of 4 1/2 inches by 3 1/2 inches by 2 inches. What is the maximum number of cubic inches of sand that will fit into the container?
Answer:
31.5
Step-by-step explanation:
4 1/2 x 3 1/2 equals 15.75. And 15.75 x 2 equals 31.5
Write the slope intercept form of the equation of each line.
Answer:
9) y = -x + 5
10) y = -7/2x - 5
11) y = x - 1
12) y = -5x/3 - 3
13) y = -4x/1
I'm not 100% sure for some of these answers since the pic is a bit blurry, but they're pretty accurate.
What are the coordinates of the image of vertex C after a dilation with center (0, 0) and scale factor 2? A. C’(3, 4) B. C’(4, 6) C. C’(6, 2) D. C’(6, 4)
Answer:
I think it is answer A
Step-by-step explanation:
i don't know
Answer:A I’m sure
Step-by-step explanation:
If ABC undergoes a dilation of scale factor 3 centered at the origin, what will be the coordinates of the image of point B?
Answer:
just use the original coordinates and add 3 too it . I am a mathematician and a math tutor
Step-by-step explanation:
which pints are solutions tot he equation y=11x?
select all that apply
(-9,99)
(11,144)
(3,33)
(-17,-187)
(3/11,3)
The solutions of the equation y = 11x are;
⇒ (3, 33)
⇒ (-17, -187)
⇒ (3/11, 3)
What is Equation of line?
The equation of line passing through the points (x₁ , y₁) and (x₂, y₂) with slope m is defined as;
y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
The equation is,
y = 11x
Now,
The solutions of the equation is always satisfy the equation of line.
So, we check all the points as;
First point (x , y) = (- 9, 99)
Substitute in the equation, we get;
y = 11x
99 = 11 x - 9
99 ≠ - 99
Thus, This is not a solution.
Second point (x , y) = (11, 144)
Substitute in the equation, we get;
y = 11x
144 = 11 x 11
14 ≠ 121
Thus, This is not a solution.
Third point (x , y) = (3, 33)
Substitute in the equation, we get;
y = 11x
33 = 11 x 3
33 = 33
Thus, This is a solution.
Fourth point (x , y) = (- 17, - 187)
Substitute in the equation, we get;
y = 11x
- 187 = 11 x - 17
- 187 = - 187
Thus, This is a solution.
Fifth point (x , y) = (3/11, 3)
Substitute in the equation, we get;
y = 11x
3 = 11 x 3/11
3 = 3
Thus, This is a solution.
Therefore, The solutions of the equation y = 11x are;
⇒ (3, 33)
⇒ (-17, -187)
⇒ (3/11, 3)
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18 animals at the city zoo are nocturnal. If these animals 9/100 of all animals at the zoo, how many animals are at the zoo?
Answer:
200 animals
Step-by-step explanation:
9/100 = 9% or 0.09
18=0.09x
x=200
or you can use proportions:
18/x=9/100
x=200
Answer:
200 animals
Step-by-step explanation:
What is the measure of
Answer:
b. 120
Step-by-step explanation:
the 60 degree angle is supplementary to angle m. 180-60=120
John decides to use the method of proportions and similar
triangles to find the height of a tree. He measures the length of the
tree's shadow and finds it is 51 feet long. Then he holds a 12-inch
ruler perpendicular to the ground and finds that it casts an 18-inch
shadow. How tall is the tree?
a. 3 ft c. 76.5 ft
b. 34 ft d. 204 ft
Answer:
i believe the answer is A please tell me if im wrong
Use the table to answer the following question.
Answer:
for every 1 on the top they are adding 2 on the bottom
PLEASE ANSWER DONT ANSWER IF YOU DO NOT KNOW
Answer:
6
Step-by-step explanation:
The first dot can tell you that there is a 6:1 ratio and this it is true for all, meaning if you have a 6:1 ratio, and you know 6 is Gallons of white and the one is from the orange.
A painting, square in shape, is placed in a wooden frame with width of 10% of the length of the side of the paining. The painting was enlarged by 10%. By what percent is the new frame bigger than the original frame if the width of the frame remains the same? I will mark BRAINLIEST
Answer:
Step-by-step explanation:
The new frame is 8.3
Answer:
Yes, the new frame be 8% bigger than the original frame if the width of the frame remains the same
Step-by-step explanation:
HOPE THIS HELPS YOU
Follw me = 10 thanks
Mark as brainliest = 10 thanks
1 thanks to me = 2 thanks
Pls help me! And thank you
Answer:
38°
General Formulas and Concepts:
Geometry
Vertical Angles Theorem - vertical angles are congruentStep-by-step explanation:
From the graph given, we see that angle x° and angle 38° are vertical.
Therefore, using the Vertical Angles Theorem, we can say that they are congruent and x = 38°.