The type of counting problem is combination with repetition.
What is combination ?One of the several ways of choosing items from a large set of objects, without considering an order is termed as Combination.
As johnny use a lot of condiments.
His mother tells him he may only make two additions to his meal.
He can add 2 condiments only twice, whether he already use them or not.
So, here we will use combination with repetition because here same condiments can be added twice that is two times.
So, in how many different ways can johnny improve his meal can be determined by combination with repetition.
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Answer:
10
Step-by-step explanation:
Chris's art Class is 8 hours long. How long is his class in minutes?
How do I solve this?
14.87
Step-by-step explanation:
use the Pythagorean theorem
a^2+b^2=c^2
C being the longest side of the triangle
14^2+5^2=C^2
196+25=C^2
221=C^
find the square root of 221
C=14.866
rounded to nearest tenth
C=14.87
Answer:
15
Step-by-step explanation:
5^2 +14^2=C^2
25+196=C^2
221=C^2
√221=√C^2
14.86=C
appr 15 =C
Help me pls need it really appreciated
Answer:
No, because he has a sum of 0.
Step-by-step explanation:
3+11-5-8-2+1
=14-5-8-2+1
=9-8-2+1
=1-2+1
=-1+1
=0
An oil refinery is located 1 km north of the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the refinery to storage tanks located on the south bank of the river 7 km east of the refinery. The cost of laying pipe is $300,000 per km over land to a point P on the north bank and $600,000 per km under the river to the tanks. To minimize the cost of the pipeline, how far downriver from the refinery should the point P be located? (Round the answer to two decimal places.)
PLEASE WILL NAME BRAINLIST
The table shows the length y (in inches) of a person’s hair after x months.
months x: 0 3 6
hair Length y:11.0 12.5 14.0
a. Write and graph a linear function that relates y to x .
y=
b. Interpret the slope and the y-intercept
The slope indicates that the hair length increases by what
inch per month. The y-intercept indicates that the initial hair length is what
inches.
30 POINTS!!!Which of the following shows the polynomial below written in descending
order?
5x4 +16x5 + 6 + 4x10 + x
Answer:
d
Step-by-step explanation:
it should be the one with the greatest power to the lowest power If I remember correctly.
Answer:
The answer is D
Step-by-step explanation:
It is descending from greatest to least
A kitchen table is being sold at a furniture store. These are the cost and revenue functions associated with the tables, where x
represents the selling price of a single table:
R(X) = -0.68x2 + 310x
C(x) = 43.6x + 36,176
Which two points represent breakeven for table sales?
(0, 36,176)
(140, 30,072)
(227, 35,330)
(260, 9,792)
(380, 19,608)
Answer:
(140, 30,072) and (380, 19608).
Step-by-step explanation:
We are given that the revenue function for selling the kitchen table given its price is:
[tex]R(x)=-0.68x^2+310x[/tex]
And the cost function is:
[tex]C(x)=-43.6x+36176[/tex]
At the breakeven point, the revenue equals the cost. Therefore:
[tex]R(x)=C(x)[/tex]
Substitute:
[tex]-0.68x^2+310x=-43.6x+36176[/tex]
We can solve for x.
Adding 0.68x² to both sides and subtracting 310x from both sides yields:
[tex]0.68x^2-353.6x+36176=0[/tex]
We can use the quadratic formula:
[tex]\displaystyle x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}[/tex]
In this case, a = 0.68, b = -353.6, and c = 36176. Substitute:
[tex]\displaystyle x=\frac{-(-353.6)\pm\sqrt{(-353.6)^2-4(0.68)(36176)}}{2(0.68)}[/tex]
Simplify:
[tex]\displaystyle x=\frac{353.6\pm\sqrt{26684.24}}{1.36}[/tex]
So, our two solutions are:
[tex]\displaystyle x=\frac{353.6+\sqrt{26684.24}}{1.36}\text{ or } x=\frac{353.6-\sqrt{26684.24}}{1.36}[/tex]
Use a calculator:
[tex]x\approx 380\text{ or } x\approx 140[/tex]
Our answers are:
(140, 30,072) and (380, 19608).
Answer:
(140, 30,072) and (380, 19608)
Step-by-step explanation:
i got it right
HELPPPP
This histogram shows the number of shoppers in various age groups at a clothing store.
How many shoppers are at least 30 years old?
5 shoppers
7 shoppers
13 shoppers
17 shoppers
Answer:
It 13
Step-by-step explanation:
There are 58 students in a classroom with 7
tables. If 8 students can sit at a table, how
many students cannot sit down at tables?
8x7=56, so 56 students can sit at a table, 58-56=2 students without a table.
Your answer would be 2.
Answer:
2 students cannot sit down at tables.
Step-by-step explanation:
Since there are a total of 58 students and only 7 tables and each table can only fit 8 students, you'll need to calculate how many students can sit at 7 tables first:
7(8) = 56 So, with 8 students sitting at all 7 tables, there are 56 students that can sit at a table.
To find how many students can't sit at a table you'll have to subtract 56 from 58,
58-56 = 2 So, 2 students will not be able to sit down at tables.
PLEASE HELPPPP!
what is the perimeter of the triangle?
what is the area or the triangle?
Answer:
Step-by-step explanation:
Answer:
Area = 7
Perimeter = 21 m
Step-by-step explanation:
Remark
The perimeter is just the sum of the three sides of the triangle.
The Area is the base * height /2
Givens
Perimeter: Three sides: 5 + 7 + 9
height: 2 meters
Formula
Area = 1/2 Base * Height
Area = 1/2 7 * 2
Note:
Just so you know the height should be almost 5. 2 is an impossible amount for the height.
Area = 1/2 * 7 * 2
Area = 7 m^2
Perimeter = 5 + 7 + 9
Perimeter = 21
This figure is made up of unit cubes, each with a volume of 1 cubic unit. What is the volume of the figure?
Answer:
100
Step-by-step explanation:
80+20=100
Answer:
100 cubic units
Step-by-step explanation:
I'm just different like that man
How do I solve this using the Pythagorean theorem
Answer:
x=8
Step-by-step explanation:
Remember that the variables a and b in the formula are the legs and c is the hypotenuse. So that means that 15 and x are the legs and 17 is the hypotenuse. Plug those numbers where they go in the formula like below:
15^2+x^2=17^2
Go ahead and square the 15 and 17 to simplify it a little.
225+x^2=289
Now, get the x by itself by subtracting 225 from each side
x^2=64
Take the square root of each side to remove the squared on x and solve.
x=8
Can you help me with this question please
Answer:
Triangle a was reflected across the x-axis to form triangle b
(9-6i) x m = 9 - 6i
What is m?
0
1
9+6i
-9+61
Answer:
1
Step-by-step explanation:
it should be 1. I believe this is the identity property.
Is the sequence arithmetic? -45,-30,-15,0,15,30,...
Yes,
Step-by-step explanation:
you constantly add 15
or technically the constant difference between the consecutive numbers is -15
'All factors of 70 are even numbers.'
Is he correct?
Ores
Yes
No
No
Explain your answer.
Answer:
No
Step-by-step explanation:
70 is divisible by 5. 5 is not an even number.
Answer:
No
Step-by-step explanation:
The factors of 70 are 1, 2, 5,7,10, 14, 35, and 70. the even numbers are 2, 10,14, and 70. but there are odd numbers, like 1, 5, 7, and 35. And since we know there are odd factors, the answer is No. 70 has even AND odd factors.
What is the perimeter of the triangle. Please look at photo. I need you help. Thank you in advance♡
Find the length of the third side.
I'm not sure if I did this right.
Answer:
2
Step-by-step explanation:
[tex]1^2+x^2=\sqrt{5}^2[/tex]
[tex]x^2+1=5[/tex]
[tex]x=\frac{+}{-} \sqrt{4}[/tex]
2 or -2
18. At my son's birthday party, we had a piñata that we filled with 140 pieces of candy. If there were 42 Hershey
chocolate bars, what percent of the candy was Hershey chocolate bars?
19. On a recent test, there were 15 multiple-choice questions and 25 fill-in-the-blank problems. What percent of
the problems were fill-in-the-blank problems? (Hint: How many problems were on the entire test.)
Answer:
18. 30%
19. 62.5%
Step-by-step explanation:
42/140 mult by 100 30%
25 + 15 = 40
25/40 mult by 100 62.5%
Please solve this: the area of a rectangular piece of card is 56cm square.
9514 1404 393
Answer:
7 cm
Step-by-step explanation:
The formula for the area of a rectangle tells you the area is the product of length and width:
A = LW
56 = 8W
From your knowledge of multiplication tables, you know that ...
56 = 8·7
That is, W = 7 . . . cm.
The width of the card is 7 cm.
Answer:
7 cm is the answer.Step-by-step explanation:
#CarryOnLearninghelp! geometry
find the arc length of the shaded sector
arc length = blank cm
Answer:
Step-by-step explanation:
we need the arc length formula . it's Arc length = 2πr (θ/360)
Arc length = 2π5 (144/360)
Arc length = 12.56637 cm
HELP ME I BEG YOU ALL
Answer:
A) 42 boys can count. B) 42/53
Step-by-step explanation:
Good luckk
2.301 is greater than less than it equal to 2.31
Answer:
It's less than
Step-by-step explanation:
You have to add an extra 0 at the end of 2.31 to make it 2.310. From there it should be obvious that 2.310 is greater than 2.301. Therefore 2.301 is less than 2.31
Help me I really need this done
Answer: I think it's 24
Step-by-step explanation:
The solution to (-3.9) + 1.5 - 6.2 is -8.6.
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True
False
Help meeeee 130° is what type of angle?
Obtuse
Acute
Answer:
Obtuse
Step-by-step explanation:
Obtuse is larger then 90°
Right angle is exactly 90°
Acute angle is smaller then 90°
In a recent survey of 150 teenagers, 93 stated that they always wear their seat belt when they travel in a car. Assuming the distribution is approximately normal, find the point estimate and standard error for the proportion of teenagers that always wear a seat belt when traveling in a car. Round your answers to two decimal places, as needed.
Answer:
Point estimate = 0.62
Step-by-step explanation:
Point estimate = x/n
Given
n is the sample size = 150
X = Those that wear their seat belt
X = 93
Point estimates = 93/150
Point estimates = 0.62
Pls solve the 2nd q fast. Best answer will be marked brainliest
Step-by-step explanation:
[tex] \frac{ - 16}{11} + \frac{ - 3}{9} = \frac{ - 48 - 11}{33} = \frac{ - 59}{33} [/tex]
I’ll give points + brainalist (:
Answer:
A: 24+6n≤50
Step-by-step explanation:
$24 plus $6 times however many tubes he gets has to be less than or equal to $50
How would you find the surface area of the figure represented by the given net? (Note: The area of each circular base is the same.) Add 1,105.28 + 200.96 + 22. Multiply (22)(200.96). Add 1,105.28 + 200.96 + 200.96. Multiply (1,105.28)(200.96).
Answer:
Option 3: "Add 1,105.28 + 200.96 + 200.96"
Step-by-step explanation:
Just follow the rule: add each area of the net. Ignore the 22 mm because that does not represent the area. Got this question right in an assignment.
Mark Brainliest pls!
You can find the surface area by Adding 1,105.28 + 200.96 + 200.96.
What is surface area?
The space occupied by any two-dimensional figure in a plane is called the area. The area of the outer surface of any body is called the surface area.
The surface area will be calculated as:-
SA = 1,105.28 + 200.96 + 200.96.
SA = 1507.2
Therefore the surface area by Adding 1,105.28 + 200.96 + 200.96.
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