Let, speed of car B is -x.
So, speed of car A is x + 10.
Relative speed of A w.r.t B is ,
[tex]v_{ab}=(x+10)-(-x)\\\\v_{ab}=2x+10\ mph[/tex]
So, time taken by A to travel 300 miles relative to B given by 3 hours .
[tex]v_{ab}=2x+10\\\\\dfrac{300}{3}=2x+10\\\\x = 45 \ mph[/tex]
Therefore, speed of car A is 45 + 10 = 55 mph.
Hence, this is the required solution.
1. Tommy washes the neighbors' windows to earn money.
He earns $63 for 6 hours of washing windows.
a. At what unit rate (dollars/hour) does Tommy get paid?
b. Complete the table to show how much he earns for various numbers of hours of washing
windows
Time (hours)
Earnings ($)
2
6
63
10
Answer:
divide 63 by 6 with is 10.50 so he earns 10.5 dollars the hour then if he works 2 hours just multipley 10.5 by 2
Solve 5x − 2(2x − 1) = 6
Answer: x = 8
Step-by-step explanation:
The answer begins with the distributive property, multiplying positive 2 times the elements in parenthesis.
5x - (2)(2x - 1) = 6
5x - 4x - 2 = 6
1x = 6 + 2
x = 8
-10(-5c+4c+7)-3c simple terms
true answer isssssss 7c-70
Step-by-step explanation:
50c -40c-70-3c
the answer is 7c - 70
Write 9 in scientific notation
Find the distance between the two numbers on a number line . -2.2,8.4
Answer:
10.6
Step-by-step explanation:
To find the difference between 2 numbers, subtract the bigger one from the smaller one. In this case, 8.4-(-2.2) = 8.4 + 2.2 = 10.6
Solving a linear equation: Your hourly wage is $9.75 per hour plus
$0.80 for each unit you produce. How many units
must you produce in 1 hour so that your hourly wage
is $19.35?
Answer:
You must produce 12 units
Step-by-step explanation:
19.35 - 9.75=9.60
9.6/0.8=12
Answer:
the answer is 12 units
Step-by-step explanation:
u get 9.75 an hour and 0.80 for every unit so subtract 9.75 from 19.35 and u get 9.60 now divide that by 0.80 and u get 12 units
What is 17 23/25 + 6 7/25
Answer:
24
Step-by-step explanation:
I added 17 and 6, got 23. Then did 23/25 plus 7/25, which is 1. I then added them together. Hope this helps!
The slope is 3 true or false?
Answer:
The slope IS NOT 3.
So the statement is FALSE.
Step-by-step explanation:
y = mx + b
If we change the graph shown into the format shown above it would be:
y = 1x - 3
mx = slope
Slope = 1x
b = y-intercept
b = -3
To find the slope you must do:
[tex]\frac{y}{x} =\frac{RISE}{RUN}[/tex]
y = rise
x = run
In the graph shown, the points are going up and shift to the right 1 unit.
So the slope is: 1x
Therefore, the statement, "The slope is 3" is actually false.
What is a6/7 as a decimal
Answer:
0.857
Rounded: 0.86
Step-by-step explanation:
6/7 = 0.857
Answer:
See attached image!!
Step-by-step explanation:
Basic math equations and calculations play an important role in many jobs tasks. If you were working at a grocery store and your cash register was not automatically calculating the 20% off sale on someone's cereal--how would you solve this issue from the options listed below? If the cereal was normally $2.88, I would... 1 point Take $2.88 and times it by 80 for a sale price of $2.30. Subtract $0.20 for a sale price total of $2.68. Divide 20 from $2.88 for a sale price total of $0.15.
Given :
Price of cereal without off, C = $2.88 .
Percentage off, P = 20% .
To Find :
Price after applying 20% off.
Solution :
Final price = Initial price - 20 % of initial price
[tex]F = 2.88 - 2.88\times \dfrac{20}{100}\\\\F=2.88-0.576\\\\F=\$ 2.304[/tex]
Therefore, final price after sale is $2.304 .
Hence, this is the required solution.
-2.25x+8.75x+10-20 solve x pls
Answer:
im gonna assume the 10 - 20 is what the equation is = to if not x wouldnt be = to anything x = -1.5
Step-by-step explanation:
-2.25x + 8.75x = 10-20
-2.25x+ 8.75x = -10
6.50x = -10 divide both sides by 6.5
x = -1.5
Translate the sentence into an equation.
The sum of 4 times a number and 7 equals 5.
Use the variable w for the unknown number.
Answer:
4w +7 = 5
Step-by-step explanation:
Have a nice day.
Answer:
4w + 7 = 5
Step-by-step explanation:
"sum" means addition (+), so we're to add two items:
item 1 to be added
"4times a number" means multiplication(x) of 4 and w(because w stands for the unknown number).
Therefore, 4 x w = 4w
item 2 to be added
This is the number 7
The sum
4w + 7
Now, the sum, equals(=) the number 5, therefore answer:
4w + 7 = 5
4 A Math (CO) / Module 2
4. Jaclyn has a piano lesson every 7th day. She has a flute lesson every 14th day. What are the first 2 days she will have both lessons on the same day?
O 14th day, 30th day
O 14th day and 28th day
O 28th day, 42nd day
O 7th day, 14th day
Answer:
14th day and 28th day
Step-by-step explanation:
7×2=14 14×1=14 14×2=28 7×4=28
what ordered pair would describe each intersection?
y=8-X and y=5X-40
Answer:
(8, 0 )
Step-by-step explanation:
Given the 2 equations
y = 8 - x → (1)
y = 5x - 40 → (2)
Substitute y = 5x - 40 into (1)
5x - 40 = 8 - x ( add x to both sides )
6x - 40 = 8 ( add 8 to both sides )
6x = 48 ( divide both sides by 6 )
x = 8
Substitute x = 8 into either of the 2 equations and solve for y
Substituting into (1)
y = 8 - 8 = 0
Solution is (8, 0 )
Who is better Eddie Vr or Josh Dub
6. In the quadratic equation x2 + 8x - 2 = 0, what are the values of a, b, and c?
a. a = 0, b = 3, C = -1
c. a = -3, b = 0, C = -1
b. a = 1, b = 8, C = -2
d. a = 3, b = 0, C = 1
Step-by-step explanation:
letter b ang sagot sa number 6
4 ( g + 5 ) + 2 ( g + 3 )
Answer:
[tex]g = - \frac{13}{3} [/tex]
Step-by-step explanation:
4g+20+2g+6=0
6g=-26
[tex]g = - \frac{26}{6} [/tex]
[tex]g = - \frac{13}{3} [/tex]
If you travel 1000 feet in 5 minutes, what is your speed per minutes?
Answer: 200 feet
Step-by-step explanation:
1000feet/5feet= 200feet
Answer:
200 feet per minute
Step-by-step explanation:
Speed = Distance/Time
Since you want to find the "per minute", you would just divide the total distance by the number of minutes:
1000 feet / 5 minutes = 200 feet per minute
Marcus is rewriting a polynomial by combining like terms. Which terms does he still need to combine to finish rewriting the polynomial?
-3mn^3 - 4n^4 + 2mn - 6n - 5mn^3 - 6m^3n
Answer:
-3mn^3 and -5mn^3
Step-by-step explanation:
had it correct on my test - PLATO
Marcus has to add -3mn^3 and -5mn^3 to complete the polynomial.
Marcus is rewriting a polynomial by combining like terms
What is polynomial?Polynomial equation is equation of independent variables.
Here, questions seems to be incomplete.
In polynomial, it can be of maximum endless number of term or minimum 1 term. Marcus can add any number or repeat any number. And if he revised the old number than the number could be -3mn^3 and -5mn^3.
Thus, Marcus has to add -3mn^3 and -5mn^3 to complete the polynomial.
learn more about polynomial here:
brainly.com/question/11536910
#SPJ2
14 subtracted from the difference of x and 3*
O 14-(x-3)
O 14+ (x - 3)
(x + 3) - 14
O (x - 3) - 14
What’s the answer??
Answer:
of
(4×3) =13(6×3) =20 (2×3) = 6 (3×3) =9Step-by-step explanation:
maaf ya kalo jawaban nya salah
Carolina is saving money to purchase a house. She inherits $15,000 and deposits it into the bank. She gains 12% simple interest for 8 years. How much money does she have after 8 years?
Answer:
16,437
Step-by-step explanation:
2(x+3)=x-4
Anyone know the answer please lol
Answer:
The Answer is -10.mark this answer as BRAINLIEST answer. And I hoped this helpful for you....
Thank you ☺️☺️
Lets solve your equation step-by-step
2(x+3)=x-4
Step 1 :Simplify both sides of the equation
2(x+3)=x-4
(2)(x)+(2)(3) =x+-4 (distribute)
2x+6=x+-4
2x+6=x-4
Step 2: Subtract x from both sides
2x+6-x=x-4-x
x+6=-4
Step 3: Subtract 6 from both sides
x+6-6=-4-6
Answer: x=-10
PLEASE MARK ME AS BRAINLIEST !!
Solve:
-x/6 + 3 =8
2/7(x) = 10
-10x = -100
Answer:
-x/6 + 3 =8
x = -30
2/7(x) = 10
x = 35
-10x = -100
x = 10
Find the slope of
(-16,3), (13,8)
Answer:
= 5/29
Step-by-step explanation:
We can use the slope formula to find the slope
m = ( y2-y1)/(x2-x1)
= ( 8-3)/(13 - -16)
= ( 8-3)/( 13+16)
= 5/29
14) Ms. Lopez has $118 for tickets at the Sports Fun Park. She needs to buy 1 adult ticket for $19. How many child tickets can she buy if child tickets cost $12 each?
A) 5 child tickets
B) 6 child tickets
C) 7 child tickets
D) 8 child tickets
15) In 14, Ms. Lopez changed her plans and decided to purchase another adult ticket and 6 child tickets. How much money will she have left?
$5
$6
$7
$8
Answer:
14=D
15=D
Step-by-step explanation:
help me plzzzzzzzzzzzzzzzzzzzzzzzzzzzz
Answer:
12 is A, 13 is C
Step-by-step explanation:
I took the test. MARK AS BRAINLIST!
A triangle has side lengths of (8.5q+1.6r)(8.5q+1.6r) centimeters, (3.5q-4.1s)(3.5q−4.1s) centimeters, and (4.4s+5.8r)(4.4s+5.8r) centimeters. Which expression represents the perimeter, in centimeters, of the triangle?
Answer:
7.4r+0.3s+12q
Step-by-step explanation:
I am in 8th grade and we do these problems for honors algebra and if you add (8.5q+1.6r)+(3.5q-4.1s)+(4.4s+5.8r) you will get the answer above
A line passes through the point (–2, 7) and has a slope of –5.
What is the value of a if the point (a, 2) is also on the line?
A: –7
B: –1
C: 1
D: 7
Answer:
a
Step-by-step explanation:
What is the simplified expression for the expression below?
-1(2x + 3) – 2(x - 1)
0 4x + 1
-4X-2
-4x+2
-4x - 1
I need help ASAP !!! Timed test
Students in the sophomore class were asked whether they preferred vanilla or chocolate
Ice Cream
Frequency
Vanilla
50
Chocolate
30
6. What is the relative frequency of sophomores chose chocolate?
7. What is a probability distribution for this data?:
