Mr. Smith drove for 45 minutes at a speed of 40 km/h. He stopped for 15 minutes for a coffee break and then he drove for 2 hours at a speed of 75 km/h. What was his average speed for the entire journey? I WILLMR BRAINLIEST
Answers
Answer:
60 km/h
Step-by-step explanation:
Average speed is total distance over total time.
Total distance: 30 + 0 + 150 = 180 km.
Total time: 0.75 + 0.25 + 2 = 3 hrs.
180/3 = 60/1
Answer:
60
Step-by-step explanation:
Related Questions
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Answers
Answer:
12 and 78 are complementary.
80 and 100 are supplementary.
50 and 50 are neither.
Step-by-step explanation:
Hope it helps! =D
what do i out in for the boxes
Answers
Answer:
here
Step-by-step explanation:
* first box divide 90 by 3 which gives you 30
* times by 2 which you get 60 is the second box
* when their is 12 sun visors their are 90 dollars so you can fill the 3rd box.
* bottom for fourth box is 16
* times 30 by 5 which is 150 which is the fifth box
so simply
30
60
90
16
150
are the answers in order
hope this helps
for 15 sun visitors is 112.5 i think
Solve for m. m + 4 3 = 2 what is m
HELP MEEEEE!!!!!!!!!!!
Answers
hi there user! Looks like your looking for help, so Mizuki came here to help you!
the answer is:
m is 2/3
The whole work I did:
m + 4 ÷ 3 = 2
m + 4/3 = 2
m + 4/3 - 4/3 = 2 - 4/3
m = 6/3 - 4/3
m = 2/3
Anyways hope this helped! qwq
M is -41. If you add 43 to -41, your result will be 2. A number line would help you, too.
Please help me with the answer
Answers
The cost that will maximize the demand, considering the quadratic function, is given as follows:
$3.
How to maximize the demand?The quadratic function representing the demand is given as follows:
y = -10x² + 60x + 180.
The vertex of a quadratic function is the point on the graph where the function reaches its maximum or minimum value. For a quadratic function in standard form y = ax² + bx + c, the x-coordinate of the vertex is given by:
x = -b / (2a)
The coefficients of the quadratic function in this problem are given as follows:
a = -10, b = 60.
The x-coordinate is the price that maximizes the demand, hence it is obtained as follows:
x = -60/(2 x (-20))
x = 3.
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whats the surface area?
Answers
Answer:
1108 in²
Step-by-step explanation:
You want the total surface area of the pentagonal prism shown.
Base areaThe area of each of the two pentagonal bases is the sum of the area of the yellow rectangle and the area of the triangle above it. That sum is ...
A = LW +1/2bh
A = 5(12) +1/2(12)(9) = 12(5 +9/2) = 114 . . . . square inches
Lateral areaThe lateral area of the prism is the sum of the areas of the 5 rectangles. That sum will be the product of the perimeter of the pentagonal base and the distance between bases.
LA = (12 +5 +11 +11 +5)(20) = (44)(20) = 880 . . . . square inches
Total areaThe total surface area of the figure is the sum of the two base areas and the lateral area:
SA = 2(114 in²) +880 in² = 1108 in²
The surface area of the composite figure is 1108 in².
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A cylindrical swimming pool has a diameter of 16 feet and a height of 3 feet. How many gallons of water can the pool contain? Round your answer to the nearest whole number. (1 ft3 ≈ 7.5 gal)
Answers
A cylindrical swimming pool has a diameter of 16 feet and a height of 3 feet. How many gallons of water can the pool contain? Round your answer to the nearest whole number. (1 ft3 ≈ 7.5 gal)
Answer: 6029 gal
PLEASE HELP PASSED DUE DATE
Answers
Answer:
B. -19 4/3
Step-by-step explanation:
Opposite numbers add to 0.
For example, -1 and 1 are opposite since -1 + 1 = 0
Let's say x is the answer:
19 4/3 + x = 0
19 4/3 - (19 4/3) + x = 0 - (19 4/3) => subtract 19 4/3 on both sides to isolate x
0 + x = -19 4/3
x = -19 4/3 ==> Answer is B
Apollo traveled 54 leagues in 3 days. Then he tripled his rate. How long would it take him to travel 594 leagues at this new speed?
Answers
Answer:
11 days
Step-by-step explanation:
First, you have to find the original rate. Then, multiply that by three. Lastly, take 594 and divide by the tripled number.
54 ÷ 3 = 18
18 x 3 = 54
594 ÷ 54 = 11
Use the Midpoint Rule with \(n=5\) to estimate the volume obtained by rotating about the y-axis the region under the curve \(y=\sqrt{1+x^3}\), \(0\leq x\leq 1\).
Answers
To estimate the volume using the Midpoint Rule with \(\displaystyle n=5\), we need to divide the interval \(\displaystyle 0\leq x\leq 1\) into \(\displaystyle n\) subintervals of equal width. Since \(\displaystyle n=5\), each subinterval will have a width of \(\displaystyle \Delta x=\frac{1-0}{5}=\frac{1}{5}\).
Now, let's calculate the volume using the Midpoint Rule. The formula for the volume obtained by rotating about the y-axis is:
\(\displaystyle V\approx 2\pi \sum _{i=1}^{n}y_{i}\Delta x\)
where \(\displaystyle y_{i}\) represents the value of the function \(\displaystyle y=\sqrt{1+x^{3}}\) evaluated at the midpoint of each subinterval.
First, let's find the midpoints of the subintervals. Since the width of each subinterval is \(\displaystyle \Delta x=\frac{1}{5}\), the midpoint of the \(\displaystyle i\)-th subinterval is given by:
\(\displaystyle x_{i}=\frac{\Delta x}{2}+\left( i-\frac{1}{2}\right) \Delta x=\frac{1}{10}+\left( i-\frac{1}{2}\right) \frac{1}{5}\)
Substituting \(\displaystyle x_{i}\) into the function \(\displaystyle y=\sqrt{1+x^{3}}\), we obtain:
\(\displaystyle y_{i}=\sqrt{1+\left( \frac{1}{10}+\left( i-\frac{1}{2}\right) \frac{1}{5}\right) ^{3}}\)
Now, we can calculate the approximate volume using the Midpoint Rule:
\(\displaystyle V\approx 2\pi \sum _{i=1}^{5}y_{i}\Delta x\)
Substituting the values of \(\displaystyle y_{i}\) and \(\displaystyle \Delta x\) into the formula, we can evaluate the sum and compute the estimated volume.
\(\huge{\mathfrak{\colorbox{black}{\textcolor{lime}{I\:hope\:this\:helps\:!\:\:}}}}\)
♥️ \(\large{\underline{\textcolor{red}{\mathcal{SUMIT\:\:ROY\:\:(:\:\:}}}}\)
According to Damian's trail mix recipe, 2 cups of dried fruit should be used for 3 1/2 cups of salted nuts.At this rate, how many cups of nuts should be used if 3 cups of dried fruit is used?
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Answer:
2
Step-by-step explanation:
what is 490 times 6896
Answers
Answer: 3379040
Hello drumheller. You might remember me from calling me inappropriate names. remember Bellabear? Yea, that's me. :)
You could've easily pulled up a calculator and typed it in on your divice.
Select all that apply.
To decide if 12.5 centimeters is greater than 140 millimeters, the first step is to set up a proportion Which of the following proportions are correct?
12.5 cm/1 cm = 140mm/x
10mm/1 cm = 140mm/x
1 cm/10 mm = 12.5 cm/x
10 mm/1 cm= x/140 mm
Answers
Answer:
c
Step-by-step explanation:
If we need to convert 12.25cm to mm we know
that 1cm =10mm so we need to find out how many
mm are in 12.25cm and let 12.5 cm =x
mark me as brainlist!
Answer:
C is your answer
Step-by-step explanation:
Sorry if i'm wrong
I need a group of 4 functions and explain why they're functions.
Answers
Answer:
A group functions when everyone works together
Maribeth has 131 ounces of sandwich meat. How many sandwiches can she make if she puts 2.5 ounces of meat on each sandwich? She can make _____ sandwiches.
Answers
Answer:
52
Step-by-step explanation:
131 ounces/2.5 ounces=52.4
=52 sandwich
4. A punch recipe that serves 24 people calls for 4 liters of lemon-lime soda, 2 pints of sherbet, and 6 cups of ice.
Answers
For 12 people, the identical recipe that would serve this amount would be 2 liters of lemon-lime soda, 1 pints of sherbet, and 3 cups of ice.
To figure out the corresponding proportion from 24 servings to 12 servings, first we divide 24 by 12, which is 2. The number 2 represents how many times bigger
The farmer harvested 4,000 bushels of grain from 40 acres. The crop produced an average of how many bushels of grain for each acre.
The answer is 100, but I'm confused about how they got that answer.
Answers
Answer:
100
Step-by-step explanation:
Average = Total sum of all numbers/number of items in a set
Average= 4,000/40 = 100
The answer is 100
Hope this explains :)
Have a nice day!
Answer: The answer is 100 because
Step-by-step explanation: If you do 40 x 100, you will get 4000. so use division first so 4000/ 40 or just multiply, 40x 100.
What is the length of the hypotenuse of a right triangle whose legs have lengths of 5 and 12?
a)13
b)15
c)17
Answers
Answer:
Tha answer is A.
Step-by-step explanation:
Given that hypotenuse of a triangle is the longest length so you have to apply Pythagoras Theorem :
hypo² = side² + side²
hypo² = 5² + 12²
hypo² = 25 + 144
hypo² = 169
hypo = √169
hypo = 13 units
Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.
The coordinate plane shows the positions of different places in a town. Each unit on the graph is equal to 1 block. Match the paths with their distances.
13 blocks
9 blocks
7 blocks
16 blocks
10 blocks
from school to the supermarket
from the park to the supermarket
to the baseball field
from home to the baseball field
from home to the park
to the supermarket
Answers
Answer:
a) 7 blocks
b) 16
c) 10
d) 13
(BRAINLIEST AND POINTS)
The following is a list of movie tickets sold each day for 10 days.
7, 18, 23, 41, 34, 12, 48, 65, 57, 52
Which of the following intervals are appropriate to use when creating a histogram of the data?
0 – 9, 10 – 19, 20 – 29, 30 – 39, 40 – 50
0 – 14, 15 – 29, 30 – 44, 45 – 59, 60 – 74
0 – 15, 15 – 20, 20 – 35, 35 – 60, 60 – 75
0 – 20, 20 – 40, 40 – 60, 60 – 80
Answers
0-14, 15-29, 30-44, 45-59, 60-74
The lowest data number is 7, and the highest data number is 65, which means our histogram must have intervals that encompass those numbers
please write a function for the points (1/3,0) (-2 3/4,0) and (0,-5) and explain the steps.
thank you!
Answers
The function for the points are y = -15x - 5
How to determine the functionFrom the information given, we have that;
The points are;
(1/3,0) (-2 3/4,0) and (0,-5)
Using the point-slope form of a linear equation, we have;
y - y₁ = m(x - x₁)
Such that;
m is the slope of the liney - y₁ and (x - x₁) are the pointsUsing (1/3, 0) and (0, -5), we have that the slope is;
m = (0 - (-5))/0 -1/3)
expand the bracket
= 5 / (-1/3)
= -15
Now, take any of the given points and substitute the values
Using (1/3, 0), we get;
y - 0 = -15(x - 1/3).
y = -15x - 5.
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The function for the points solved by (1/3,0) (-2 3/4,0) and (0,-5) solved by point slope form is \(a=-15b-5\)
We have given the points:
(1/3,0) (-2 3/4,0) and (0,-5)
Using the formula of linear equation
\(a-\)\(a_{1}\)\(=x[b-b_{1}]\)
Where we will consider (1/3,0) = \(a-a_{1}\) and (0,-5) = \(b-b_{1}\)
that is 1/3 = \(a\), 0 = \(a_{1}\) and
0 = \(b\), -5 = \(b_{1}\)
\(x\) refers to the slope of line (take any variable)
Now for finding the value of \(x\),
\(x=a-a_{1}/b-b_{1}\)
inserting the values,
\(x=[0-[-5]]/[0-1/3]\\x= -15\)
Substitute the value of \(x\) in the equation
\(a-0=-15[b-1/3]\)
By simplifying the equation, we get
\(a=-15b-5\)
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What is the solution of the equation n+13=30 ?
Answers
Answer:17
Step-by-step explanation:
1) 30 -13=17
n=17
Contestants in a dance-a-thon rest for the same amount of time every hour. A couple rests for 25 minutes in 5 hours. How long did they rest in 7 hours?
Answers
Answer:
45.5
Step-by-step explanation:
An image of a rhombus is shown.
A rhombus with a base of 17 inches and a height of 14 inches.
What is the area of the rhombus?
62 in2
119 in2
124 in2
238 in2
Answers
Answer:
238 in.²
Step-by-step explanation:
For a parallelogram, A = bh.
A = bh
A = 17 in. × 14 in.
A = 238 in.²
A. Find the smallest positive integer m such that C^m(9) = 1
B. Find all n such that C^3(n) = 16
Answers
Answer:
Step-by-step explanation:
ressions.
There are a few boxes with 12 red pens in each and a few boxes with 10 blue pens in each. If 10 red pens and 5 blue pens are removed, the total number of pens that remains is given by the expression (12x − 10) + (10y − 5). Here, x represents the number of boxes containing red pens and y represents the number of boxes containing blue pens.
QUICK! Find the area of the smallest square in the diagram.
A) 25 square feet
B) 5 square feet
C) 313 square feet
D) 13 square feet
Answers
Answer:
313 square feet
Step-by-step explanation:
313 square feet
Answer:
A) 25
Step-by-step explanation:
sides of top square are all 13 and sides of bottom square are all 12
we now have the hypotenuse (13) and another side length of the triangle (12) using a^2+b^2=c^2 we can find the side of the square then its area.
144+b^2=169
b^2=25
b=5, which means the smallest square's sides are all 5 making it have an area of 25
the price of a refrigerator is 1,199.00 plus 9% sales tax what is the sales tax on this refrigerator in dollars and cents.
Does anyone here like poppy playtine?
Answers
Answer:
C. $107.91
Step-by-step explanation:
Multiply the total by the tax amount:
1,199 * 0.09 = 107.91
Which two charges have a sum of 0?
1. +6 charge and +6 charge
2. 6 charge and −6 charge
3. +6 charge and 0 charge
4. +6 charge and −6 charge
Please Help me
Answers
help me its due in 2 hours because i thought i didint have workkkkkk
Answers
Answer:
He is both close to 6,3 and 3,6 (Pet shop and Grocery store)
Step-by-step explanation:
He lives 7 spaces away from both
PLZZZZZZZZZZZZZZ HELP ME OUT!!!!
Write equivalent fractions for
9/10
and
1/5
using the least common denominator.
Type the fractions, using a slash ( / ) to separate the numerator and denominator.
9/10=
1/5=
Answers
Answer: 9/10 stays the same and 1/5 turns into 2/10
Step-by-step explanation: The least common denominator is 10. 9/10 stays the same because the denominator is 10 in it. 1/5 turns into 2/10 because you have to multiply the numerator and denominator by 2 so 1/5 turns into 2/10.
9/10 stays the same and 1/5 turns into 2/10 for the given fractions.
What is the least common denominator method?The least common denominator is 10. 9/10 stays the same because the denominator is 10 in it. 1/5 turns into 2/10 because you have to multiply the numerator and denominator by 2 so 1/5 turns into 2/10.
List the multiples of both denominators until you discover the smallest multiple that both share to get the least common denominator. 28 must be the least common denominator for these two fractions since it is the first shared multiple of 4 and 7, respectively.
Hence, 9/10 stays the same, and 1/5 turns into 2/10 for the given fractions.
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A _____________________ variable _________________ on an ____________________ variable.