Answer:
4x+3y=23
Step-by-step explanation:
4x+3y=23
2x+6y=34 multiply equation by 2 to get x values equivalent, so
4x+12y=68 now subtract firs equation from this
-(4x+3y=23)
so 9y=45 and y=5
now find x:
4x+3(5)=23
4x+15=23
4x=8
x=2
So, hamburgers cost $2 and chicken nuggets $5.
A man gave 35% of his money to his elder on and 40% of the remainder to the younger son.Now, he is left with 11700 rupees.How much money had he?
Someone please help…
which of the following is a representation of 12!
Answer:
12
Step-by-step explanatik just need the points
The base of a solid is bounded by x^2 + y^2 = 16. Cross sections perpendicular to the x-axis are right isosceles triangles with one leg located in the base. Which definite integral represents the volume of this solid?
The equation for the base is that of a circle, so the cross sections will have a leg of length equal to the vertical distance between its halves.
x² + y² = 16 ⇒ y = ±√(16 - x²)
⇒ length = √(16 - x²) - (-√(16 - x²)) = 2 √(16 - x²)
Cross sections with thickness ∆x have a volume of
1/2 length² ∆x = 1/2 (2 √(16 - x²))² ∆x = (32 - 2x²) ∆x
since they are isosceles triangles and so their bases and heights are equal.
Then the total volume would be (D)
[tex]\displaystyle \int_{-4}^4 \frac12 \left(2 \sqrt{16-x^2}\right)^2 \, dx[/tex]
I can't seem to figure this one out, can someone help me?
Answer:
I think the volume is 18
Step-by-step explanation:
6×3 = 18
Use the answer from the previous task to determine p(z < −2.1). 0.0179 0.5832 0.9821 1
The value of the z is −2.1 then the probability P(z < −2.1) is 0.0179. Then the correct option is A.
What is a normal distribution?It is also called the Gaussian Distribution. It is the most important continuous probability distribution. The curve looks like a bell, so it is also called a bell curve.
The z-score is a numerical measurement used in statistics of the value's relationship to the mean of a group of values, measured in terms of standards from the mean.
If the value of the z is −2.1. Then the probability will be
P(z < −2.1) = 0.0179.
More about the normal distribution link is given below.
https://brainly.com/question/12421652
Answer:
its a on edge 0.0179
Step-by-step explanation:
what is -4(x+3) - 12x + 5 distributed
find the least common denominator of 7/6 and 1/8
Answer:
24
Step-by-step explanation:
24÷8=3
24÷6=4
answers needed before the 29th of april, 2022. please help asap
Answer:
3 stunts per movie
Step-by-step explanation:
Answer:
3:1
Step-by-step explanation:
12 sunts in 4 movies
simply this.
12:4 is the ratio
3:1 is the final ratio
Therefore, there is 3 stunts per movie.
Help I need to turn this in in a hour!!!!
Answer:
Step-by-step explanation:
Draw a house for cell walls
draw a solar panel for photosyntheses
draw a sink for vacuoles
The amount of $300 was deposited into a continuously compounded interest account that paid 0.5% interest per year. Which of the following expressions would be used to
determine the number of years it would take for the account to have a balance of $600?
The expression that can be used to determine the number of years that it would take to have a balance of $600 is In2 ÷ In[tex]e^{0.005}[/tex].
How long would it take to have a balance of $600?When an amount is compounded continously, it means that both the amount deposited and the interest already accrued increases in value continously over a period of time.
Time = In(FV/PV) ÷ In([tex]e^{0.005}[/tex]
In2 ÷ In[tex]e^{0.005}[/tex]
H(x)=-(x+11)^2+1. What are the zeros of the function? What is the vertex of the parabola?
Answer:
x=-14
Step-by-step explanation:
-x-11^2+1
-x-11^3
-x^14
x=-14
There are 4 cups in 1 quart?? 23pts
Answer:
0.56
Step-by-step explanation:
8.96/(4*4)
there are 16 cups in the 4 quart jug so we need to divide the price by 16 to get the price per quart
can anyone help me answer this
Answer:
Step-by-step explanation:
4(4/3) DIVIDED INTO 2(2/3) (mixed numbers)
16/3 DIVIDED INTO 8/3
16/8=2
16/3 divided into 8/3
is the same as
16/3 multiplied be 3/8
48/24 =2
The diameter of a circle is 4 kilometers. What is the radius?
d=4 km
Answer:
2 km
Step-by-step explanation:
radius = [tex]\frac{diameter}{2}[/tex]
radius = [tex]\frac{4}{2}[/tex]
radius = 2 km
If 3K is x% of 3000, then an expression for x is..?
well, let's see it this way, we know that 3000 is the 100%, and we also know that 3K is x% of 3000, so then
[tex]\begin{array}{ccll} amount&\%\\ \cline{1-2} 3000 & 100\\ 3K& x \end{array} \implies \cfrac{3000}{3K}=\cfrac{100}{x} \\\\\\ 3000x=300K\implies x=\cfrac{300K}{3000}\implies x=\cfrac{K}{10}[/tex]
what is the cost of each shirt using the equation 10x+40?
1 shirt=
5 shirts=
10 shirts=
50 shirts=
The cost of 1 shirt would be 10
you would need to multiply the cost of one shirt by the number of shirts bought (x)
4. Name three different rays.
Answer:
Spotted eagle rayManta ray (oceanic)Manta ray (reef)Let me know if this is not what you meant by rays, I can change it if needed.
Tela surveys the 40 seventh and eighth graders
that play the clarinet and trumpet in the band.
The table shows her results. What percent of the
clarinet players are eighth graders?
Hello, I'm bad at this lesson. Can you help me with this?
Answer:
See below ↓↓↓↓↓
Step-by-step explanation:
Q1)
c. ADA chord is a line that does not pass through the center of the circleQ2)
dIt gives the name of the center of the circleQ3)
BE = 2BCBC = 16/2 = 8Q4)
b. arc ABEIt covers more than 180° of the circle ⇒ major arcQ5)
a. 70°180° - 110° [remaining of the angle)Harvey the wonder hamster can run 3 1/6 km in 1/4 hour. Harvey runs at a constant rate.
Find his average speed in kilometers per hour.
Answer:
12 2/3 km per hour
Step-by-step explanation:
What is Harveys speed?
Take the distance and divide by the time
3 1/6 km
--------------
1/4 hour
Change the mixed number to an improper fraction
3 1/6 = (6*3+1)/6 = 19/6
19/6 km
--------------
1/4 hour
Copy dot flip
19/6 * 4/1 = 76/6 = 38/3 km/hr
3 goes into 38 12 times (12*3 = 36) with 2 left over
12 2/3 km per hour
The scientist had a 35% saline solution that he mixed with 10 milliliters of a 75% saline solution to get a 40% saline solution. How many milliliters of the 35% solution were used?
x mL of the 35% saline solution contains 0.35x mL of salt.
10 mL of the 75% solution contains 0.75 • 10 mL = 7.5 mL of salt.
After mixing, the scientist would have a total volume of (x + 10) mL. We know its concentration is 40%, so it contains 0.40 (x + 10) mL of salt.
The total amount of salt before and after mixing must be the same, so
0.35x + 7.5 = 0.40 (x + 10)
Solve for x :
0.35x + 7.5 = 0.40x + 4.0
0.10x = 3.5
x = 35
The scientist used 35 mL of the 35% solution.
which expression is equivalent to (7x^3)^2(x^8)1/2
Answer: 49x^14
Step-by-step explanation:
PLS HELP
No links pls and Ty<333!!!
A circle's diameter is 8 centimeters.
What is the circle's area (use 3.14 for pi and round to the nearest
tenth)?
Answer:
16 pi cm^2
Step-by-step explanation:
Area = pi r^2 r = 1/2 d
= pi (4^2) = 16 pi cm^2
Which system of equations can be used to find the roots of the equation 4 x squared = x cubed 2 x? startlayout enlarged left-brace 1st row y = negative 4 x squared 2nd row y = x cubed 2 x endlayout startlayout enlarged left-brace 1st row y = x cubed 4 x squared 2 x 2nd row y = 0 endlayout startlayout enlarged left-brace 1st row y = 4 x squared 2nd row y = negative x cubed minus 2 x endlayout startlayout enlarged left-brace 1st row 4 x squared 2nd row y = x cubed 2 x endlayout
The system of equations can be used to find the roots of the considered equation is y = 4+x^2 and y= x^3 + 2 + x
How can we find the solution to an equation?We do same operations on both the sides so that equality of both expressions doesn't get disturbed. Solving equations generally means finding the values of the variables used in it for which the considered equation is true.
Sometimes we can find such value, and sometimes it is not possible at all, or sometimes, there are infinite number of solutions.
For the given case, we are given with the equation [tex]4+x^2 = x^3 + 2 + x[/tex]
We can take two equations as:
[tex]y = 4+x^2 \\y= x^3 + 2 + x[/tex]
And when we will try to solve this system of equation, we will end up substituting the value of y in terms of x, and therefore, ending up on the same equation [tex]4+x^2 = x^3 + 2 + x[/tex]
Learn more about solving system of equations here:
https://brainly.com/question/2825832
Answer:
D
y=4x^2
y=x^3+2x
Step-by-step explanation:
im trying to pass just like yall, Good luck to all
In how many ways can 6 students be seated in a row of 6 seats if 2 of the students insist on sitting beside each other?
Using the arrangements formula, it is found that there are 240 ways for the students to sit.
What is the arrangements formula?The number of possible arrangements of n elements is given by the factorial of n, that is:
[tex]A_n = n![/tex].
In this problem:
The 2 students can sit in 2! ways, in 5 positions(1 and 2, 2 and 3, 3 and 4, 4 and 5 or 5 and 6).The remaining 4 students can sit in 4! ways.Hence:
T = 5 x 2! x 4! = 240.
There are 240 ways for the students to sit.
More can be learned about the arrangements formula at https://brainly.com/question/24648661
The volume V of a given mass of gas varies
directly as the temperature T and inversely as the
pressure P. If V = 341.0 in 3 when T = 310° and
P=10 lb/in.2, what is the volume when T= 120°
and P= 15 lb/in.2?
Apply combine gas law
[tex]\\ \rm\dashrightarrow \dfrac{P1V1}{T1}=\dfrac{P2V2}{T2}[/tex]
[tex]\\ \rm\dashrightarrow \dfrac{10(341)}{310}=\dfrac{15V2}{120}[/tex]
[tex]\\ \rm\dashrightarrow 11=\dfrac{V2}{8}[/tex]
[tex]\\ \rm\dashrightarrow V2=88in^3[/tex]
Answer:
88 in³
Step-by-step explanation:
we are given that the volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P.
Condition-1:
The volume V of a given mass of gas varies directly as the temperature T , thus
[tex]V\propto T\\\implies V=kT[/tex]
Condition-1:
The volume V of a given mass of gas varies inversely as the pressure P, therefore,
[tex]V\propto 1/P\\\implies V=k\cdot 1/P[/tex]
combining 1 and 2 yields
[tex]V\propto k\cdot T/P[/tex]
Case-1:
V = 341.0 in³T = 310°P=10 lb/in²To find:
kFinding the constant of proportionality
[tex]341= k\cdot 310/10\\\implies k=341\times 10/310 \\ \implies \boxed{k=11}[/tex]
Case-1:
To find:
Vwhen:
T = 120°P=15 lb/in²k=11Finding the volume:
[tex]V= 11\times 120/15\\\implies V=11\times 8 \\ \implies \boxed{V=88}[/tex]
is each shape a parallelagram or not
Answer:
You can have almost all of these qualities and still not have a parallelogram.
Explanation:
The four shapes that meet the requirements of a parallelogram are square, rectangle, rhombus, and rhomboid.
PLEASE HELP URGENT
Given \tan \theta =0.6, find the value of b.
Answer:
b=8.5cm
Step-by-step explanation:
tanx (this represents tan theta, it's just easier to type) is equal to 0.6 and since the tanx ratio is opp/adj, we know that opp/adj = 0.6
To find what b is (adjacent as it is adjacent to the angle being used and it is not the hypotenuse), we just have to rearrange.
0.6=5.1/adj
to solve for adj, we can switch 0.6 and adj. (This works because to get adj by itself on one side you would multiply it to the other side and then divide 0.6 from both sides --> simple algebra)
so then you have
adj=5.1/0.6
adj=8.5cm
(if you want to check your solution you can use pythagoeran theorem, a^2+b^2=c^2) and sub everything in and make sure all the numbers equal the right thing!
In a candy box, there are 5 times as many candies with nuts as candies without nuts. There are 24 candies in the box: How many candies with nuts are in the box?
Answer:im pretty sure its 20
Step-by-step explanation: because 4x5=20 and theres 24