Answer:
0.7 hours
Step-by-step explanation:
The computation of the number of hours is shown below:
As we know that
Time = Distance ÷ speed
where,
Distance is
= 27 miles × 0.4
= 10.8 miles
ANd, the speed is 16 miles per hour
So, the number of hours is
= 10.8 miles ÷ 16 miles per hour
= 0.675 hours
= 0.7 hours
Hence, the number of hours is 0.7 hours
Answer:
0.7 hours
Step-by-step explanation:
How did you know that the values of the variables really satisfy the equation?
Answer:
To know if the value that we have satisfies the given equation, we have to do the checking. To check, we have to substitute the value that we get to the variable and solve the equation. Example: ... Therefore, we can conclude that 25 is the correct value of x, and it satisfies the equation.
Step-by-step explanation:
- 5/4 + 75/40 + 100% =
Answer:
13/8 or 1.625
Step-by-step explanation:
Last month, 349 books were checked out from the school library. This month, 273 books were checked out. Find the Percent of Change from Last Month to This Month.
Answer:
76
Step-by-step explanation:
Answer:
76 is the answer
Use the graph to determine which one of the three statements is a lie.
1) The average rate of change between (0,4) is positive
2) The average rate of change between (-3,4) is negative
3) The average rate of change between (0,4) is 3/4
Answer:
2) The average rate of change between (-3,4) is negativeStep-by-step explanation:
The answer options
1) The average rate of change between (0,4) is positive
Correct. The function is increasing in same interval.2) The average rate of change between (-3,4) is negative
Incorrect. The average rate of change is zero in same interval3) The average rate of change between (0,4) is 3/4
Correct. (0-(-3))/(4-0) = 3/4The temperature is 8 degrees F. As a cold front moves in, the temperature drops 6 degrees F per hour. What is the temperature at the end of 3 hours
Answer:
-10 Degrees
Step-by-step explanation:
What is the GCF of 28t^2 + 14t?
Answer:
The GCF would be 14t.
round the following numbers to 2 significant figures:
0.40625
Answer:
.41
Step-by-step explanation:
4 and 1 are both significant figures
3. A function f(x) has a slope of -and passes through
the point (-3,7). Explain how the graph of f(x)
could be used to find the y-intercept.
Answer:
Well. this is kinda trivial.
For a function f(x) = y.
The y-intercept is defined as the point where the graph of f(x) intersects the x-axis.
This always happens at x = 0.
So the y-intercept is equal to f(0).
Now, if we have the graph of f(x), you simply can see at what value of y does the graph intersect the x-axis, and that will be the y-intercept.
A 25-foot flag pole casts a shadow of 40 feet. What is the approximate height from the top of the flag pole to the top of the shadow?
~45
~47
~65
Answer:
47 is the answer
Step-by-step explanation
Answer:
Hey its 47
Step-by-step explanation:
Good morning
Help plz. I hope you can tell with the picture says because I’m looking at it right now and I definitely can.
Answer:
Step-by-step explanation:
x= (-2 -1)h
x= (-2-1)4= -12
464.69605 rounded to 3 significant figures
Probability of Next Candy
Fill in the chart below with the probability of choosing the next candy.
Answer: 8 just got it correct
Step-by-step explanation:
There are 4 circles and 8 squares. What is the simplest ratio of circles to total shapes?
Answer:
4 : 12
4/ 12
4 to 12
Step-by-step explanation:
1:3
Its this because u just simplify 4:12 by dividing both numbers by 4
Kim's softball team was playing in the championship game. When there were 4 innings left, the team was losing by a score of 17 to 6 points. In the last 4 innings, her team scored the same number of points per inning, and the other team did not score any more points. Kim's team won with the most points.
Answer:
Kindly check explanation
Step-by-step explanation:
Given that :
At 4 innings left ;
Kim's team was losing by 17points to 6 points
Given that her team scored the same number of points per inning in the last 4 innings while the other team didn't score any point per inning.
Hence, Kim's team won eventually,
Let point earned per inning = p
Hence, the number of points scored per inning : would be ;
Initial point of Kim's team + (number of innings left * point per inning) > point of opposing team
6 + 4p > 17
4p > 17 - 6
4p > 11
p > 11/4
p > 2.75
Nearest whole number :
Kim's team scored 3 points per inning
What number is 30% of 20? Numerical Answers Expected! Answer for Blank 1:
Answer:
6 should be right!!
Answer:
30% of 20
(30÷100)20
6
therefore the ans is 6
In 25.5 minutes, Shaun can run 3 miles. How far can he run in 30 minutes?
Answer:
28.8 miles
Step-by-step explanation:
Answer:
28.8. hdhrhdndndndndhux
Lin ran ran 2 3/4 miles in 2/5 of an hour. Noah ran 8 2/3 miles in 4/3 of an hour.
1. How far would Lin and Noah run in 1 hour?
2. How long would it take Lin and Noah to run 1 mile at that rate?
3. Who ran faster, Noah or Lin and why?
Answer:
1. Lin 6 7/8 miles, Noah 6 1/2 miles
2. Lin will take 8 8/11 minutes while Noah will take 9 3/13 minutes
3. Lin ran faster because it took him less amount of time to cover same distance of 1 hour
Step-by-step explanation:
Here, we are told that Lina ran 2 3/4 miles in 2/5 of an hour while Noah ran 8 2/3 miles in 4/3 of an hour.
1. We want to know how far Noah will run in an hour
1 hour is 60 minutes;
So 4/3 of an hour is 4/3 * 60 = 80 minutes
thus;
if he ran 8 2/3 miles in 80 minutes
then he ran x miles in 1 hour(60 minutes)
8 2/3 is same as 26/3 miles
Thus;
26/3 * 60 = 80 * x
x = 26/3 * 60/80 = (26 * 20)/80 = 26/4 = 13/2 = 6 1/2 miles
Lin ran 2 3/4 miles in 2/5 hour (2/5 * 60 = 24 minutes)
2 3/4 miles took 24 minutes
x mile will take 60 minutes
60 * 2 3/4 = 24 * x
60 * 11/4 = 24x
165 = 24x
x = 165/24
x = 6 21/24 = 6 7/8 miles
Lin will run 6 7/8 miles in an hour
2. we want to know how long it will take both of them to run 1 mile
Lin ran 2 3/4 miles in 2/5 of an hour
meaning, he ran 2 3/4 in 2/5 * 60 = 24 minutes
2 3/4 miles was ran in 24 minutes
1 mile will take x minutes
1 * 24 = 2 3/4 * x
24 = 11/4 * x
x = 4 * 24/11 = 96/11 = 8 8/11 minutes
For Noah
6 1/2 miles was ran in 1 hour
1 mile will be ran in x hours
13/2 * x = 60 minutes * 1
x = (2 * 60)/13
x = 120/13
x = 9 3/13 minutes
c. Lin ran faster because he took the lesser amount of time to travel 1 mile
Answer:
1. Lin 6 7/8 miles, Noah 6 1/2 miles
2. Lin will take 8 8/11 minutes while Noah will take 9 3/13 minutes
3. Lin ran faster because it took him less amount of time to cover same distance of 1 hour
Step-by-step explanation:
Step-by-step explanation:
Here, we are told that Lina ran 2 3/4 miles in 2/5 of an hour while Noah ran 8 2/3 miles in 4/3 of an hour.
1. We want to know how far Noah will run in an hour
1 hour is 60 minutes;
So 4/3 of an hour is 4/3 * 60 = 80 minutes
thus;
if he ran 8 2/3 miles in 80 minutes
then he ran x miles in 1 hour(60 minutes)
8 2/3 is same as 26/3 miles
Thus;
26/3 * 60 = 80 * x
x = 26/3 * 60/80 = (26 * 20)/80 = 26/4 = 13/2 = 6 1/2 miles
Lin ran 2 3/4 miles in 2/5 hour (2/5 * 60 = 24 minutes)
2 3/4 miles took 24 minutes
x mile will take 60 minutes
60 * 2 3/4 = 24 * x
60 * 11/4 = 24x
165 = 24x
x = 165/24
x = 6 21/24 = 6 7/8 miles
Lin will run 6 7/8 miles in an hour
2. we want to know how long it will take both of them to run 1 mile
Lin ran 2 3/4 miles in 2/5 of an hour
meaning, he ran 2 3/4 in 2/5 * 60 = 24 minutes
2 3/4 miles was ran in 24 minutes
1 mile will take x minutes
1 * 24 = 2 3/4 * x
24 = 11/4 * x
x = 4 * 24/11 = 96/11 = 8 8/11 minutes
For Noah
6 1/2 miles was ran in 1 hour
1 mile will be ran in x hours
13/2 * x = 60 minutes * 1
x = (2 * 60)/13
x = 120/13
x = 9 3/13 minutes
c. Lin ran faster because he took the lesser amount of time to travel 1 mile
Question 12
Researchers are investigating how the amount of monthly rainfall measured in centimeters (cm)affects the monthly growth, in cm, of a certain plant. From a sample of data, the researcher
created a least-squares regression line. Computer output is shown in the following table.
Variable
DF
Estimate
T
Intercept 1
0.350
Rainfall
0.025
SE
0.75
2.14
1
0.15
6.00
Which of the following statements is an interpretation of the value 0.75 shown in the table?
Monthly growth is expected to increase by 0.75 cm when rainfall increases by 1 cm.
B
Rainfall is expected to increase by 0.75 cm when monthly growth increases by 1 cm.
С
For a month with 0 cm of rainfall, the monthly growth is expected to be approximately 0.75 cm.
D
For a plant with Ocm of monthly growth, the month had an expected rainfall of approximately 0.75 cm.
E
Approximately 75% of the variability in monthly growth is due to its linear relationship with rainfall.
Answer:
C
Step-by-step explanation:
We went over it in class.
The value of the y-intercept gives the value of predictor variable, y when the value of the explanatory variable, x is equal to 0.
Therefore, 0.75 is the value of the y-intercept which means that monthly growth will be 0.75 when the amount of Rainfall is 0cm.
The rate of increase per 1 cm increase in monthly Rainfall is the slope value the regression line. The intercept value of y(monthly growth) is 0.75 cm and it is the value of growth when the amount of Rainfall is 0cmThe approximate percentage of variability is given by the coefficient of determination and not the value of the intercept.Therefore, the value 0.75 infers that monthly growth will stand at approximately 0.75 when the value of Rainfall is 0cm.
Learn more :https://brainly.com/question/18405415
A student club started a fundraising effort to support animal rescue organizations. The club sent an information flyer home to the n students in the school. It says, "We welcome donations of any amount, including any change you could spare!" Their goal is to raise T dollars, and to donate to a cat shelter and a dog shelter. * 5
Answer:
B. 1/4T
Step-by-step explanation:
A student club started a fundraising effort to support animal rescue organizations. The club sent an information flyer home to the n students in the school. It says, "We welcome donations of any amount, including any change you could spare!" Their goal is to raise T dollars, and to donate to a cat shelter and a dog shelter.
What expression, equation, or inequality that describes The dollar amount the club would have if they reached one-fourth of their goal
A. 3/4n × 1/2
B. 1/4T
C. T - 1/4n
D. 1/4n
Their goal is to raise T dollars
The T dollars will be donated to a cat shelter and a dog shelter.
One - fourth = 1/4
Their goal =T
one-fourth of their goal
= 1/4 * T
= 1/4T
The correct answer is B. 1/4T
Two numbers that are the same distance from 0 on a number line, but in opposite directions, are called opposites. The whole numbers and their opposites make up the set of integers.Opposites combine to make 0. For example, 3 and -3 are opposites.Jacob has saved $50. He spends $15 at the movies. Then, after paying for repairs to his bike, he has $0 remaining. How much did the bike repairs cost?1.What integer represents Jacob’s savings?2.What integer represents the change in Jacob’s savings after he spends money at the movies?3.The number line represents the change in Jacob’s savings after the movies. Use the number line to show Jacob’s change in savings after the bike repairs.4.What integer represents the change in Jacob’s savings due to the bike repairs? What integer represents the cost of the bike repairs?On the Back!5.On a winter’s morning, the temperature was 0°F. The temperature increased during the daytime. At night, the temperature decreased 6°F and returned to 0°F.
Answer: kindly check explanation
Step-by-step explanation:
Given the following :
Amount saved by Jacob = $50
Amount spent at the movies = $15
Amount left after paying for bike repair = $0
Cost of bike repair :
$50 - $15 = $35
What integer represents Jacob’s savings?
Initial amount before any spending
Jacob's saving = +$50
2.What integer represents the change in Jacob’s savings after he spends money at the movies?
Saved amount - amount spent at the movies
$50 - $15 = $35
No number line is given
Nana has a water purifier that filters \dfrac13 3 1 start fraction, 1, divided by, 3, end of the contaminants each hour. She used it to purify water that had \dfrac12 2 1 start fraction, 1, divided by, 2, end fraction kilogram of contaminants. Write a function that gives the remaining amount of contaminants in kilograms, C(t)C(t)C, left parenthesis, t, right parenthesis, ttt hours after Nana started purifying the water.
Answer:
(1/2) * (2/3)^t
Step-by-step explanation:
Nana has a water purifier that filters 1/3 of the contaminants each hour. She used it to purify water that had 1/2 kilogram of contaminants.
Write a function that gives the remaining amount of contaminants in kilograms, C(t), t hours after Nana started purifying the water.
C(t)=
The water purifier will filter 1/3 of the current contaminants each hour.
1/3 ÷ 1/2
= 1/3 × 2/1
= 2/3
This means, it willreduce the contaminant into 2/3 of it current mass
To derive the equation,
Multiply the contaminant with 2/3 every hour
(1/2) * (2/3)^t
Where t = hours
A 30-cm ruler broke into two pieces. One piece was 120 mm long. How
long was the other piece? Express your answer in millimeters.
Answer: 180 mm
Step-by-step explanation:
1 cm = 10 mm
10 cm = 100 mm
30 cm = 300 mm
300 - 120 = 180
Hope this helps!
Find the area of the shape shown in Figure 1 and type your answer into the box below in units squared.
Answer:
I think 52.5 units squared
Step-by-step explanation:
12*4=60/2=30.
5*9=45/2=22.5!
30+22.5=52.5
Which of the following values are in the range of the function graphed below?
Check all that apply.
Answer: 2,3,1
Step-by-step explanation:
3/5 cual es el denominador?
Responder -
El denominador es 5
Explicación -
Soy inteligente
HELPPP :((( !!!
find the mean and median for the following.
Answer:
mean = 6
median = 7
Step-by-step explanation:
mean: add all values and divide by the number of values
median: place all values in ascending order and choose the middle value; if there is an even number of values, the median is the mean of the two middle values.
There are 5 values: 7, 8, 8, 4, 3
a) mean
Add all values and divide by the number of values.
mean = (7 + 8 + 8 + 4 + 3)/5 = 30/5 = 6
mean = 6
b) median
Place values in ascending order.
3, 4, 7, 8, 8
The middle value is 7.
median = 7
PLZZZZZZ HELPPPPPPPPPPPPPP
Answer:
You need to stop relying on this website.
Step-by-step explanation:
Anytime you find a challenging problem you will automatically go to this website thus not gaining any intelligence.
Plz help!!!
8% of 5x10^7
Answer:2/5x to the power of 10000000
(8/100(5)) (x^10^7)
0.0010 in words?
I need help with this question
Answer:
The answer is one one thousandth I believe.
Answer:
1 thousandths or 10 thousandths
Step-by-step explanation:
The one is in the thousandths place.
(5 + 2) + 7 = 5 + (2 + 7) is an example of which property?
Answer:
The associative property
Step-by-step explanation:
With this property, you just "associate" the numbers with different numbers.