Answer:
Four siblings have a dog walking business. The table shows the hours worked by each sibling. Each sibling earns $25.50 per hour and the total number of hours worked is represented by 10h+15 , where h represents the number of hours Michael worked.
Martin 2.5h+3
Emilio 4(h−2)
Michael h
Mario 31
The algebraic expression is the combination of variable and constants with some mathematical operation between them. The Earning of the four siblings are $357, $244.8, $112.2 and $790.5 respectively.
What is an Algebraic expression?An algebraic expression can be obtained by doing mathematical operations on the variable and constant terms.
The variable part of an algebraic expression can never be added or subtracted from the constant part.
Given that,
The earning of the siblings per hour is $25.50.
Total number of hours worked is 10h + 15.
As per the problem the value of h can be found by equating the total number of hours to the sum of hours worked by each sibling as given in the table as follows,
2.5h + 3 + 4(h - 2) + h + 31 = 10h + 15
⇒ 2.5h + 3 + 4h - 8 + h + 31 = 10h + 15
⇒ 7.5h + 26 = 10h + 15
⇒ 2.5h = 11
⇒ h = 11 / 2.5
⇒ h = 4.4
Thus, the earning of each sibling can be calculated by substituting h = 4.4 in their working hour and multiplying it by $25.50 as follows,
Earning of Martin is given as,
(2.5 × 4.4 + 3) × $25.50 = $357
Earning of Emilio is given as,
4(4.4 − 2) × $25.50 = $244.8
Earning of Michael is given as,
4.4 × $25.5 = $112.2
Earning of Mario is given as,
31 × $25.50 = $790.5
Hence, the earnings of the four siblings are as Martin : $357, Emilio : $244.8, Michael : $112.2 and Mario : $790.5.
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Can someone pease help me understand the problem?
Answer:
65 + 50 + 80 divided by 3
Step-by-step explanation:
Bill studied t hours for a big test. Catherine studied one third as long. Write an algebraic expression for long Catherine studied.
Answer: x= 1/3t
Step-by-step explanation: I think
Magdeline wants to know if the number of words on a page in her art book is generally more than the number of words on a page in her science book. She takes a random sample of 25 pages in each book and then calculates the mean, median, and mean absolute deviation for the 25 samples of each book.
Book Mean Median Mean Absolute Deviation
Art 68.7 50 15.4
Science 54.2 55 7.9
She claims that because the mean number of words on each page in the art book is greater than the mean number of words on each page in the science book, the art book has more words per page. Based on the data, is this a valid inference? (10 points)
Group of answer choices
Yes, because the mean is larger in the art book
No, because the mean is larger in the art book
Yes, because there is a lot of variability in the art book data
No, because there is a lot of variability in the art book data
Answer:
No, because the mean is larger in the art book
Step-by-step explanation:
give me brainliest plz because i answered
Laura's yard is in the shape of a square and a half-circle.
Please Help
Answer: i'm pretty sure it is c if its not i am soooooooooooooooooooooooo sorry
Step-by-step explanation:
A line connects points A and B ( -5,5 and -5,-3) as shown below. If a third point, C, is plotted six units to the right of point B, what will be the area of the resulting right triangle?
please help me please
Answer:
hi
Step-by-step explanation:
12345678901234567890
Answer:
9
Step-by-step explanation:
9*420=3780
hope this helps :3
The Idol's Eye diamond weighs 79.2 carats. The Blue Hope diamond weighs 33.68 carats less than the Idol's Eye. What is the weight of the Blue Hope diamond?
A. -146.56
B. -45.52
C. 45.52
D. 140.20
Answer:
C. 45.52
Step-by-step explanation:
hope i helped!!
Help me out, the teacher didn't even taught us this smh.
find the ordered pair (x,y) that is a solution to the equation
x-4y=8
Answer:
(4,-1)
Step-by-step explanation:
x-4y=8
-4y=-x+8
y=1/4x-2
The solution to the equation x - 4y = 8 is an ordered pair (4,-1).
What is the solution to the equation?A solution to an equation is a number that can be substituted for the variable to provide a true number statement.
The equation is given in the question, as follows:
x - 4y = 8
To determine the ordered pair (x,y) of the solution, substitute the value of x = 4 in the equation, and solve for y:
4 - 4y = 8
- 4y = 8 - 4
- 4y = 4
y = - 4/4
Divided by -4 into both sides of the equation, we get
y = - 1
Thus, the solution to the equation is an ordered pair (4,-1).
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Can someone help me with the second question?
Answer:
Step-by-step explanation:
What should the following rate be divided by to convert it to a unit rate?
6 inches
________
12 hours
Answer:
Unit rate is a rate that has 1 as denominator.
Given the rate: 6 inches / 12 hours, we have to divide numerator and denominator by 12 to transform the denominator in 1, as follows:
\frac{6}{12} = \frac{6/12}{12/12} =
12
6
=
12/12
6/12
= 0.5 inches/hour
There are approximately 7.5 × 10 18 grains of sand on Earth. There are approximately 7 × 10 27 atoms in an average human body. Are there more grains of sand on Earth or atoms in an average human body? How do you know?
Answer:
147
Step-by-step explanation:
i used a calculator/ kinda common since
Answer:
7.5 x 10^18 = 7500000000000000000
7 x 10^27 = 7000000000000000000000000000
Step-by-step explanation:
Therefore, there are more atoms in the human body.
the cost of building an airplane with 200 seats is about 100$ million if the cost in million of dollars c is proportional to the number of seats what equation can be used to determine the cost , in millions of dollars to bulid an airplane with any number of seats?
Answer:
i dont remeber the exact answer but with the millions get rid of the 0s to add easier
Step-by-step explanation:
8. The figure shows a triangle ABC where
ZABC = 35. H lies on BC such that the length
of HC is twice that of BH. Find ZACB.
Answer:
theres no choices ?
Step-by-step explanation:
Answer:
{{BC,35H}}
Step-by-step explanation:
HEYYYYY YOU......I NEED HELP
You and your friends decide to play video games online together on Saturday. This particular game charges a one-time $10 fee to download and $3.50 per hour of play.Write an equation to represent this situation. Specify what each variable represents. .
Answer:
3.50h+10
Step-by-step explanation:
H is hours
PLEASE HELP ME!
Choose the scenario that could be represented by 3/8
A. a three-foot submarine sandwich is cut into eight equal portions
B. an eight-hour trip is decided into three equal legs.
C. eight cups of milk are fed to three cats equally
D. an eight-foot wooden board is cut into three equal pieces
Answer:
a
Step-by-step explanation:
educational guess ;)
The correct option is A. [tex]\dfrac{3}{8}[/tex]fraction means that a three-foot submarine sandwich is cut into eight equal portions.
What is a ratio?In mathematics, ratios are used to determine the relationship between two numbers it indicates how many times is one number to another number.
The meaning of the fraction [tex]\dfrac{3}{8}[/tex] is that the three are divided into 8 equal parts. From the given options the correct option is that a 3-foot submarine sandwich is cut into eight equal portions.
Therefore, the correct option is A. [tex]\dfrac{3}{8}[/tex]fraction means that a three-foot submarine sandwich is cut into eight equal portions.
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Plz help I will mark brainlest on first answer!
1. D. 950 km
----------------------
3.8x250 = 950
2. C. PQ
------------------------------
XY corresponds to PQ
Match each quantity in the first list with an appropriate unit of measurement from the second list.
g
1.
The volume of a refrigerator
2.
Distance a person can run in 10 minutes
3.
The surface area of a tissue box
4.
The perimeter of a baseball field
5.
The surface area of the moon
6.
The volume of a large lake
7.
The length of macaroni noodle
8.
The area of a bed sheet
a.
cubic kilometers
b.
square inches
c.
meters
d.
square kilometers
e.
centimeter
f.
mile
g.
cubic feet
h.
square feet
Match them up
PLZ HELP ME IM VERY CONFUSED! BRAINLIEST TO THE FISRT PERSON WITH WORK! AND 50 POINTS! AND ONLY ANSWER IF YOU HAVE AN ANSWER!!!!!!!!!!
The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute.
Part A: Define the input and output in the given scenario.
Part B: Write a function to model this situation.
Part C: How many liters of water will be left in the tank after 10 minutes
(hint: liters, not milliliters)
Answer:
The output would depend on the input so relating this to the question, the input is the time (in minute) and the output is the amount of water left in the tank
We can give a letter 't' for the time, the input, and f(t) for the output
----------------------------------------------------------------------------------------------------------------
The original amount of water in the tank is 10450, so this will be the fixed constant.
The amount of water lost per minute is 270 so this will be the term that varies depends on the variable of time, we write this as 270t
The function is given f(t) = 10450 - 270t
--------------------------------------------------------------------------------------------------------------
Given, t = 10
f(10) = 10450 - 270(10)
f(10) = 7750 ml
Step-by-step explanation:
Answer:
Part A:
Since the rate of 270 ml per minute has units of ml per minute, then yy must have units of ml and x must have units of minutes. The input must then be the number of minutes the tank is leaking for and the output is the number of ml of water remaining in the tank.
Part B:
Since the tank is leaking 270 ml per minute, then after x minutes, 270x ml of water has leaked out of the tank. The tank initially has 10,450 ml of water so after x minutes, there is y=10,450−270x ml remaining in the tank.
Part C:
After x=10 minutes, the amount of water remaining in the tank is y=10,450−270(10)=10,450−2,700=7,750 ml. There are 1,000 ml in 1 liter so 7,750 ml = 7.75 liters. There are then 7.75 liters of water left in the tank after 10 minutes.
00:00
Mia agrees to borrow a 3-year loan with 4% simple interest to buy a motorcycle.
Part A
If Mia will pay a total of $444 in interest, how much money did she initially borrow? Enter your answer in the box.
$
00:00
Part B
How much interest would Mia pay if the simple interest rate were 5%? Enter your answer in the box.
$
Answer:
Part A: She borrowed: 3700
Part B: She would pay 555 in interest.
Step-by-step explanation:
Since, simple interest is,
Where, P is the principal amount,
r is the annual rate of interest,
t is time ( in years ),
Part A : Here, S.I. = $ 444,
t = 3 years,
r = 4 %,
Thus,
Hence, She borrowed $ 3700.
Part B :
Here, r = 5 %, t = 3 years, P = $ 3,700,
Hence, She would pay $ 555 interest.
5 times 5 another easy one
Answer:
25
Step-by-step explanation:
If I mix 2 cans of yellow paint for every 3 cans of blue paint, how much yellow paint is needed with 6 cans of blue paint? (Draw a picture to help)
Group of answer choices
4
6
5
3
Answer:
4
Step-by-step explanation:
The stock of Company A lost 3.75% today to $26.95. What was the opening price of the stock in the beginning of the day.
Answer:139
Step-by-step explanation:
WILL GIVE BRAINLIEST ANSWER
Answer:
0.07 or 7cents
Step-by-step explanation:
155 divided by 3.10 is 0.02 so two cents a piece, 85 divided by 7.65 is 0.09 so they are 7 cents more a piece
What are the like terms in the expression below?
3x + 8 + 3y + 8x
A 8 and 8x C 3x and 8x
B 3x and 3y D 3x, 3y, and 8
Correct answer:
C) 3x and 8x
Step-by-step explanation:
At first I thought the correct answer was D.
You may Have thought that too but that is not the correct answer.
You see 3x and 8x are both like terms because they both have x
but..
The other 3 does not have a x it has a y
I hope this helps
Let me know
:)
6. The table shows the equations Ms. Valez discussed in math class today.
Explain the pattern of zeros in the product when multiplying
by powers of 10.
Answer:
One zero is always added when the power is added by +1
Step-by-step explanation:
If a problem is y * 4 and equals 20, what is y equal too?
Answer:
5(I think)
Step-by-step explanation:
Yx4 =20
What (x) 4=20?
5x4=20
Answer:
y = 5
Step-by-step explanation:
set up an equation
y * 4 = 20
now solve using inverse operations
y * 4 = 20
/4 /4
y = 20 / 4
20 / 4 =5
because
4 * 5 = 20
y = 5
I need it done assapppp
In order to find the solution, You would first line line the equation up. then, you would subtract -200 by 15. The answer would be -185. I know the answer will be negative because -200 is too big for 15 to make the solution positive. If you had a positive 201 plus -200 the answer would be equivalent to a positive one because the positive would cancel out the negative.
Included: Negative, positive, equivalent.
explanation/ statement:
"I think I should subtract -200 by 15. which one equal -185. I know the answer will be negative because -200 is too big for 15 to make the solution positive.
In fact, If you had a positive 201 plus -200 the answer would be equivalent to a positive one because the positive would cancel out the negative one.
Hi! I really hope this helps and have a great day/night from you are!
PLZ HELP ASAP
What is the slope of the graph?
1
1/2
2
3
Answer:
I believe this answer would be D.
Step-by-step explanation:
Let's see what other people say though... :) lol
Can anyone help me?
I'll put all the questions here.
1) Describe the pattern that is being followed: 1, 5, 10, 16 . . .
What are the next two numbers in the sequence?
2) Describe the pattern that is being followed: 1, 3, 7, 15 . . .
What are the next two numbers in the sequence?
3) Describe the pattern that is being followed: 1, 2, 3, 5, 8 . . .
What are the next two numbers in the sequence?
Will mark brainly if you get all of them!!
Answer:
Step-by-step explanation:
1) 1 +4=5
5+(4+1) = 10
10 +(4+2)= 16......
2) 0+1 = 1
1+2 = 3
3+4 = 7
7+8= 15
ADD THE NEXT NUMBER 15+16 = 31
3) 0+1 = 1
1+1=2
2+1= 3
3+2 = 5
5+3= 8 8+5=13.........