Answers
Answer:
1 and 7/30 minutes
Step-by-step explanation:
You know that the 3 commercials add up to 3 minutes of time. And that the first two are 1 1/6 minute and 3/5 minute. To add them you need a common denominator.
1 1/6=7/6. 7/6*5/5=35/30. 3/5*6/6=18/30. 35/30+18/30=53/30. 53/30 simplifies to 1 23/30 (don't need to simplify yet).Now, you need to subract that from 3. To write it over 30, multiply by 30/30. 3/1*30/30=90/30.90/30-53/30=37/30. 37/30 can be written as 1 7/30.Explain:
Related Questions
7 men can dig a canal in 14 weeks. After 2 weeks of work another 7 men joined them in how many weeks more will the work be finished?
Answers
Answer:
1 week
Step-by-step explanation:
Each marble bag sold by Mary's Marble Company contains 5 blue marbles for every 4 purple
marbles. If a bag has 35 blue marbles, how many purple marbles does it contain?
Answers
Answer:
The total no. of purple marbles will be:
[tex] \boxed{ \underline{ \rm{28}}}[/tex]
Step-by-step explanation:
It is given that for every 5 blue marbles, we have 4 purple marbles. And similarly we have to find for the no. of purple marbles for 35 blue marbles.
First, Let's divide these 35 blue marbles in groups of 5. We will get:
➝ 35 ÷ 5 = 7 groups
For each group of 5 marbles, there are 4 purple marbles. So for 7 groups, No. of purple marbles will be:
➝ 4 × 7 = 28 purple marbles.
And we are done! :D
The list of ordered pairs below represents a function
(12, 6), (3, 1), (2,-2), (5, 10), (-8, -4) (_,_)
Which of the following could be the missing ordered pair?
A. (2,1)
B. (12,7)
C. (-8,8)
D. (-3,-4)
Answers
Answer:
D. (-3,-4)Step-by-step explanation:
GivenOrdered pairs
(12, 6), (3, 1), (2,-2), (5, 10), (-8, -4) (_,_) To findThe missing pairSolutionSince it is a function, the missing pair can't repeat input values with different output, therefore only option D is unique so is the correct choice
- 2.5(4w - 4) = -6 Check:
Answers
Answer:
Step-by-step explanation:
- 2.5(4w - 4) = -6
-2.5×4w+2.5×4=-6
-10w+10=-6
-10w=-6-10
-10w=-16
Cancel the -sign from both side soqe get
10w=16
W=16/10
W=1.6
So the value of w is 1.6
If David can prepare 2 gallons of juice and 4 days how many cups of juice can you prepare per day
Answers
Answer:
32
Step-by-step explanation:
because if he did 16 cups both days
hopefully this helps
Determine the x- and y- intercepts for the graph defined by the given equation.
y = x + 8
a. x-intercept is (0,8)
c. x-intercept is (-8, 0)
y-intercept is (-8, 0)
y-intercept is (0,8)
b. x-intercept is (0, -8)
d. x-intercept is (8,0)
y-intercept is (8,0)
y-intercept is (0, -8)
Answers
Answer:
y-intercept is (0,8)
c. x-intercept is (-8, 0)
Step-by-step explanation:
y=x+8
x=0
y+0=8
y=8
y=0
y=x+8
0=x+8
x=-8
The solution to 3.2x = 11.52 is x =
Answers
Answer:
11.52/3.2=3.6
x=3.6
I hope this is good enough:
find the midpoint of A and B where A has coordinates (-5,3) and B has coordinates (3,-1)
Answers
Let M = midpoint
M = (-5+3/2, -1+3/2)
M = (-2/2, 2/2)
M = (-1, 1)
Three students have started a fence-painting business. Working together,
Pragnesh and Qazi can paint the fence in 2 hours. Similarly, Pragnesh and Ronghui can paint the
fence in 3 hours when they work together. Finally, when Qazi and Ronghui work together, they can
paint the fence in 4 hours. How long would it take if all three students worked together to paint the
Answers
Answer:
4 1/2 hours
Step-by-step explanation:
Pragnesh = 30 minutes
Qazi = 1 1/2 hours
Ronghui = 2 1/2 hours
add them and that gets you 4 1/2 hours. You can also check this yourself by putting this in the number problem. :)
What is 1700 m to 40 minutes the unit rate the rate unit
Answers
Answer:
42.5
thas the answer, u welcome
please answer the image below .
Answers
Answer:
7Step-by-step explanation:
surface area of a square pyramid
= Area of base + 1/2 base perimeter * slant height
= (1 x 1) + (1/2 x (1*4) x 3)
= 1 + 6
= 7 yd²
How many exact tenths are in 21.34?
Answers
Answer: 3
Step-by-step explanation:
The tenths place in this number:
2 = tens place
1 = ones place
.
3 = tenths place
4 hundredths place
Answer is 3.
Look at each place value. The number shows you how much of each are there.
Tenths is the first column after the decimal point and it says 3.
First to answer correct gets Brainiest!!
In a three-digit number, the tens digit is the same as the hundreds digit. The ones digit of this number is equal to 1/3 of the sum of the other two digits. Find the number if the sum of all its digit is equal to 24.
Answers
Answer:
996
Step-by-step explanation:
the three digit number is;
996
Step-by-step explanation:
The three digit can be written xyz
ones digit is equal to 1/3 the sum of the two other digits
z = 1/3(x + y)
x + y + z = 24
Tens digit is same as hundreds digit
That means x = y
z = 1/3 (x + x) = 2x/3
So;
2x/3 + x + x = 24
Multiply through by 3
2x + 3(2x) = 72
8x = 72
x = 72/8
x = 9
x = y = 9
z = 1/3(18)
z = 6
A school had 225 students enrolled last year. This year, 260 students are enrolled. Find the percent of change to the
nearest percent.
Answers
Answer:
15.5%
Step-by-step explanation:
No of students that had enrolled last year = 225
This year, 260 students are enrolled.
We need to find the percent of change in the number of students. It can be calculated as :
P = (change in no of students/initial no of students)×100
[tex]\%=\dfrac{260-225}{225}\times 100\\\\=15.5\%[/tex]
So, the percent change is 15.5%.
1. Explain how a function may be reflected about the x-axis.
2. Explainhowafunctionmaybereflectedaboutthey-axis.
3. What is the difference between a slope change and a translation?
Answers
Answer:
If the function is reflected across the x-axis, the negative sign will be like this -f(x)
If the function is reflected across the y-axis, it will be lie this f(-x)
Translation is the movement of an object without any change of size, whereas change of slope is the difference in steepness.
Step-by-step explanation:
Factor the expression completely. 5 - 45x^5
Answers
Answer:
5(9x-5)
Step-by-step explanation:
Complete the sentence.
9 is 18% of
Answers
Answer:
the answer is 50
Step-by-step explanation:
Answer:
9 is 18% of 50
Step-by-step explanation:
All you need to do is divide 9 by 18, and multiply the answer by 100
Drag and drop each square root value to its approximate location on the number line. Not all pieces will be used
Answers
Answer:
Its a kanono on this one hope this helps
Step-by-step explanation:
i wonie
M is the midpoint of line segment LN. Find the length of LN
Answers
Answer:
Step-by-step explanation:
Here is the complete question;
M is the midpoint of line segment LN. If LM= 3x + 5 and LN= 5x + 40, find the length of LN.
Since M is the midpoint of LN, hence LM + MN = LN and LM = MN
LM + LM = LN
2LM = LN ..... *
Given;
LM= 3x + 5
LN= 5x + 40
Substitute into the eqn *
2(3x+5) = 5x+40
6x+10 = 5x+40
6x-5x = 40-10
x = 30
Get the length LN
LN= 5x + 40
LN = 5(30)+40
LN = 150+40
LN = 190
Hence the length of LN is 190
Answer:
190
Step-by-step explanation:
Farmer Jones wants to make a circular corral for his horses. If the diameter is to be 500 m,
how many meters of fencing is needed? Round to the nearest whole number? Use 3.14 for .
Answers
Answer:
1571mStep-by-step explanation:
Step one:
given data
the diameter of the farm= 500m
the radius will be d/2
= 500/2
r=250m
Step two:
Required
The perimeter fence for the farm
this is also the same as the circumference of the farm
C=2πr
C=2*3.142*250
C=1571m
Hence the needed length of fence is 1571m
9x^2-4
F.(3x + 2)(3x - 2)
G.(3x + 2)2
H. (3x - 2)2
J.prime
Answers
Answer:
Step-by-step explanation:
I'm not entirely sure what the question is, but I suspect the answer is not prime.
9x^2 - 4
factors into two factors (3x + 2)(3x - 2)
Suppose x = 11 which is prime.
9*121 - 4
1085 which ends in a 5 so the expression is not prime.
In fact, the two factors are 3*11 + 2 = 35 and 3*11 - 2 = 31
31*35 = 1085
9514 1404 393
Answer:
F. (3x +2)(3x -2)
Step-by-step explanation:
The given expression is the difference of two squares, so can be factored accordingly.
9x^2 -4 = (3x)^2 -2^2 = (3x +2)(3x -2) . . . . . matches F
In ΔGHI, the measure of ∠I=90°, the measure of ∠G=31°, and IG = 6.3 feet. Find the length of HI to the nearest tenth of a foot.
Answers
Answer:.
Step-by-step explanation:
What is the answer to
2 3/4 divided by 3
Answers
Answer: 8/9 or .8
Advice for the future, use math w a y next time for stuff like this.
If the function y = xa − 31 is a linear function, what is the value of a?
A. 1
B. 2
C. 3
D. 4
Answers
Answer:
a.1
i hope you get it right
Answer:
a
Step-by-step explanation:
For the volume of soap in a bottle, Ryan determined the margin of error as 354.85 mL to 354.95 mL. What was the volume of soap that he measured? 354.8 mL 354.85 mL 354.9 mL 354.95 mL
Answers
Answer:
Correct answer is option C. 354.9 mLThe volume of soap that Ryan measured is 354.9 mL. Therefore, option C is the correct answer.
Given that, for the volume of soap in a bottle, Ryan determined the margin of error as 354.85 mL to 354.95 mL.
We need to find the volume of soap that he measured.
What is the margin of error?A margin of error tells you how many percentages points your results will differ from the real population value.
Now, the margin of error is 354.85 - 354.95
The volume=354.9 mL (Mid value of 354.85 - 354.95 )
The volume of soap that Ryan measured is 354.9 mL. Therefore, option C is the correct answer.
To learn more about the margin of error visit:
https://brainly.com/question/10501147.
#SPJ2
Help.please asap will mark brainliest!!!
Answers
If DG = 60ft, solve for GO
35
7
None of the other answers are correct
25
6
Answers
Answer:
A: 35
Step-by-step explanation:
DG is the combined segments DO and OG. In other words:
[tex]DG=DO+OG[/tex]
We know that DG is 60. DO is (4x-3) and OG is (2x+21). So, substitute:
[tex]60=(4x-3)+(2x+21)[/tex]
Solve for x. Combine like terms:
[tex]60=6x+18[/tex]
Subtract 18 from both sides:
[tex]42=6x[/tex]
Divide both sides by 6. Hence, the value of x is:
[tex]x=7[/tex]
GO is defined as (2x+21).
So, to find GO, we can now substitute 7 for x and evaluate. Therefore:
[tex]GO=2(7)+21=14+21=35[/tex]
Hence, our answer is A.
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a.
What is 256 heartbeats in 4 mins in unit rates
Answers
Answer:
64 beats per min or 64/min
Step-by-step explanation:
256/4=64
Find the mean of 3, 11, 6, 13, 14
Answers
Answer:
9.4
Step-by-step explanation:
To find the mean, add the values up and then divide them by the number of values there are:
3 + 11 + 6 + 13 + 14 = 47
47/5 = 9.4
The mean is 9.4
Hope this helps :)
A game is played using ne die. If the die is rolled and shows 3, the player wins $45. If the die shows any number other than 3, the player wins nothing. If there is a charge of $9 to play the game, what is the game's expected value?
Answers
Answer:
-$13.5
Step-by-step explanation:
Let x be a random variable of a count of player gain.
- We are told that if the die shows 3, the player wins $45.
- there is a charge of $9 to play the game
If he wins, he gains; 45 - 9 = $36
If he looses, he has a net gain which is a loss = -$9
Thus, the x-values are; (36, -9)
Probability of getting a 3 which is a win is P(X) = 1/6 since there are 6 numbers on the dice and probability of getting any other number is P(X) = 5/6
Thus;
E(X) = Σ(x•P(X)) = (1/6)(36) + (5/6)(-9)
E(X) = (1/6)(36 - (5 × 9))
E(X) = (1/6)(36 - 45)
E(X) = -9/6 = -3/2
E(X) = -3/2
This represents -3/2 of $9 = -(3/2) × 9 = - 27/2 = -$13.5