Answer:
Number of adult were on the trip = 4
Number of child were on the trip = 7
Step-by-step explanation:
Let the Number of adult were on the trip = x
Let the Number of child were on the trip = y
As given,
For lunch they paid $7.50 for each adult meal and $5 for each child meal for a total of $65.
⇒7.50x + 5y = 65 ...........(1)
Also,
For dinner the family paid $10.50 for each adult meal and $5 for each child meal for a total of $77.
⇒10.50x + 5y = 77 ...........(2)
Now,
Subtract equation (2) from equation (1) , we get
10.50x + 5y - ( 7.50x + 5y ) = 77 - 65
⇒10.50x + 5y - 7.50x - 5y = 12
⇒10.50x - 7.50x = 12
⇒3x = 12
⇒x = [tex]\frac{12}{3}[/tex] = 4
⇒x = 4
Now,
Put the value of x in equation (2) , we get
10.50(4) + 5y = 77
⇒42 + 5y = 77
⇒5y = 77 - 42
⇒5y = 35
⇒y = [tex]\frac{35}{5}[/tex] = 7
⇒y = 7
∴ we get
Number of adult were on the trip = x = 4
Number of child were on the trip = y = 7
Forty percent of all high school graduate work during the summer to earn money for college tuition for the upcoming fall term. Assuming a binomial distribution, if 6 graduates are selected at random, what is the probability that none of the graduates have a summer job
Answer:
[tex]0.0467[/tex] is the probability that none of the graduates have a summer job
Step-by-step explanation:
Here
P [tex]= 0.40[/tex] and n [tex]= 6[/tex]
Probability that none of the graduate gets job
this means that x = 0
P (x = 0) [tex]= ^6C_0 * (0.40)^0 * (0.60)^6[/tex]
P (x = 0) [tex]= 0.0467[/tex]
what is the value of x in 2x = 64
Answer:
2×=64
2×/2=64/2
×=32.....x is solved
Answer:
x=32
Step-by-step explanation:
when divided by 2, 64 is equal to 32
If 8 spiders can spin 24 webs in 6 days, how many days will it take 12 spiders to spin 18 webs?
Answer:
3 daysStep-by-step explanation:
See the steps below, one ratio - one pair of numbers changes at a time.
spiders webs days
8 24 6 8 4 1 ⇒ Divide by 6 2 1 1 ⇒ Divide by 4 12 6 1 ⇒ Multiply by 6 12 18 3 ⇒ Multiply by 3Please complete this question, the question is saying: write the correct integer in the blank
Is due please. I will give brainlest
Darnell's team scored 40 points at the game. Darnell scored 15% of the team's points. How many points did Darnell score?
Answer:
Darnel scored 6 points
Step-by-step explanation:
15% of 40 can be written as 40 * 0.15 which is 6. Darnell scored 6 points.
2(f^4)^2f^2
——————-
8f^12
Answer:
=2f^10
Step-by-step explanation:
1. Evaluate each expression:
a. −12•13
b. −12•−13
c. 12•(−54)
d. −12•(−54)
Answer:
a. −12•13= -156
b. −12•−13= 156
c. 12•(−54) = -648
d. −12•(−54) = 648
Step-by-step explanation:
a and c have negative
b and d have positive
hope this helps ;)
Answer:
....
Step-by-step explanation:
Identify the percent of change as an increase or decrease. Then find the percent of
change. Round to the nearest tenth of a percent, if necessary.
$18.75 to $18.60
Answers:
Increase; 15%
Decrease; 0.15%
Decrease: 0.008%
Decrease; 0.8%
Answer:
Decreasing; 0.8%
Area: 252 ft2
Express the side length of this square as a radical in simplest form
Halla 2 enteros cuyo producto sea 210 y uno de los enteros debe ser uno menos que el doble del otro
Simplify e5 x e4 lol
Answer:
9e
Step-by-step explanation:
If e is a variable without a value then 5e*4e is 9e.
find the area of a square plot of side 12 cm
Answer:
area of a square
= side × side
= 12 × 12
=144cm^2
combine like terms
[tex]y + 4 + 3(y + 2)[/tex]
[tex]5x + 3(y + 4x)[/tex]
Answer:
17x+7y+10
Step-by-step explanation:
y+4+3(y+2)
you have to multiply 3 by the numbers/variables in the parenthesis
y+4+3y+5
Do the same to the other equation
5x+3(y+4x)
5x+3y+12x
Set an equation that will let you add their like terms.
y+4+3y+5+5x+3y+12x
I'm going to add like terms with the y
y+3y+3y = 7y
Now like terms with x
5x+12x = 17x
Now put them all as a single equation
17x+7y+10
If 3/4 of the class likes soda and 3/5 of those who like soda prefer Coke, what PERCENT of the whole class that likes Coke?
Answer:
For soda =3/4
For coke= 3/5 X 3/4=9/20
Whole class is 1....
Therefore X% of 1 =9/20
Solving :
X/100 X 1 =9/20
X/100=9/20
20X =900
X= 900/20 = 45%
Bob has 17/23 left of a wall to demolish. Each swing of a sledgehammer brings down an additional 17/161 of the wall. How many more swings will it take him to bring down all of the wall?
somone answer this question PLEASE
Answer:
[tex] \huge x > 3[/tex]hope this helps
Answer:
x>3
Step-by-step explanation:
thats the answer.......
Tonya drove 343 miles the first day of her trip. how many days will it take her to drive the remaining 1,200 miles if she continues at the same rate?
Answer:
3.5 days
Step-by-step explanation:
Given
[tex]Day\ 1 = 343\ miles[/tex]
Required
Number of days to drive 1200 miles
Represent as ratio:
[tex]Day\ 1 = 343\ miles[/tex]
[tex]Ratio = 1 : 343[/tex]
For 1200 miles
[tex]Ratio = x : 1200[/tex]
Equate both ratios
[tex]x : 1200 = 1 : 343[/tex]
Express as fractions
[tex]x/1200 = 1/343[/tex]
Multiply by 120
[tex]x/1200 *1200= 1/343*1200[/tex]
[tex]x= 3.4985[/tex]
[tex]x= 3.5[/tex] --- approximated
SHOW work
5.3 divided by 0.25 = ?
Answer:
5.3 divided by 0.25 is 21.2
Sorry, Loves.
But I can't really type my work-
I'm on a chrome book so I don't have a camera.
Please help someone
Answer:
A.
Step-by-step explanation:
because a right angle was the same legnth as that figure and also you can make a L so its A
A local pizza shop has a membership program for frequent buyers. The membership costs $20 per month and members get a discounted price of $1.50 per slice of pizza. Shandra purchased a membership to this pizza shop. How much would Shandra have to pay the pizza shop if she bought 5 slices of pizza this month? What would be the monthly cost for x slices of pizza?
Answer:
Shandra would pay $27.50 for 5 slices
Cost = 20+1.50x
Step-by-step explanation:
Given
[tex]Membership = \$20[/tex]
[tex]Discounted\ Price = \$1.50[/tex] per slice
Solving (a): Cost of 5 slices
Represent the total price with y and the number of slice with x.
So, we have:
[tex]y = Membership + Discounted\ Price * x[/tex]
This gives:
[tex]y = 20+ 1.50* x[/tex]
In this case: x = 5.
So, we have:
[tex]y = 20+ 1.50* 5[/tex]
[tex]y = 20+ 7.50[/tex]
[tex]y = 27.50[/tex]
Shandra would pay $27.50 for 5 slices
Solving (b): Cost of x slices
This has been solved in (a).
[tex]y = 20+ 1.50* x[/tex]
[tex]y = 20+1.50x[/tex]
Hence, the cost of x slices is 20+1.50x
Brgy. Mataas has a
population of 365 thousand this
is about 40% of the population of Brgy. Mababa.
what
is the population of Brgy. Mababa?
Answer:
Step-by-step explanation:
Your answer
40% of 365000 is = 146000
Mark it as Brainlist answer. Follow me.
What is the slope of the line shown below?
Answer:
The slope of the line will be 1//3
Step-by-step explanation:
Hope this Helped
help please, i would appreciate
Answer:
592.83 ft^2
Step-by-step explanation:
First estimate the area of the rectangle:
Area rectangle = Base x Height = 20 * 36 = 720 ft^2
and then subtract from it the area of a semi-circle of radius 18/2 = 9 ft
Using the formula for the semicircle's area:
Semi-circle's area= pi * R^2 / 2 = 3.14 * 9^2 / 2 = 127.17 ft^2
Such gives us:
720 ft^2 - 127.17 ft^2 = 592.83 ft^2
Which point shows the maximum speed of the car?
Answer:
H
i think
Step-by-step explanation:
Khan Ana
Writing expressions v
Write an expression to represent:
Three minus the product of two and a number x
Answer:
Step-by-step explanation:
the expression is 3-(2x)
PLZ HELP!! NEED QUICKLY!!
Fill In The Blanks!!
Answer:
Step-by-step explanation:
Statement Solution
1. AB = CB Definition of isosceles triangle
2: AD = DC BD is the median to base AC
3. BD = BD Reflexive property
4. ΔADB ≅ ΔADC Side Side Side Congruent
4) Steven walked 3 kilometers,
How far did Steven walk in
meters?
4(8+y)=96 I need this answer if anyone knows it let me know
Answer:
y = 16
Step-by-step explanation:
Given
4(8 + y) = 96 ( divide both sides by 4 )
8 + y = 24 ( subtract 8 from both sides )
y = 16
Answer:
y = 16
Step-by-step explanation:
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
4*(8+y)-(96)=0
4 • (y + 8) - 96 = 0
Pull out like factors :
4y - 64 = 4 • (y - 16)
4 • (y - 16) = 0
Solve : 4 = 0
This equation has no solution.
A non-zero constant never equals zero.
Solve : y - 16 = 0
Add 16 to both sides of the equation :
y = 16
Algebra roller coaster building it most state from the ground and it have to be 100ft
Answer:
sa taas nito ay 50 square meter kung pagbabasihan mo sa ibaba 55 square meter malaki rin sa baba kaya ang tawag dyaan ay centementer
I hope I can help you and give me a star even if I am only 5 or 4 stars and please put a heart for many
A blender was originally sold for $90 and has been marked down to $79.20. What is the percentage of discount for the blender
Answer:
12%
Step-by-step explanation:
Percentage discount
[tex] = \frac{discount}{original \: price} \times 100\% \\ = \frac{90 - 79.20}{90} \times 100\% \\ = 12\%[/tex]
☆ Discount= original price -marked price