Answer:
your friend is faster.
Step-by-step explanation:
2 km in 12 min means 3 km in 18 min.
you friend jogs those same 3 km in 16.5 min, so he or she is faster.
14. Which of the following relations has an inverse that is not a function?
(1,1),(1,2).(3,4)
(1,2).(1,3),(4,3)
(1,4),(4,5),(5,6)
(0,0),(1,1),(2, 2)
Answer:
(1,2).(1,3),(4,3)
Step-by-step explanation:
The inverse of (1,2).(1,3),(4,3) is (2, 1), (3, 1), (3, 4) and this is not a function as a function is a set X to a set Y, not multiple to one.
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)
- Heather
A store had a 20% off
Black Friday sale. One item was
originally $75. How much was it on
sale for
Answer:
$60
Step-by-step explanation:
20% off means 80% of original price
80% = 8/10 or 0.8
75 * 0.8 = 60
you could also do 20% = 1/5, 1/5 of 75 is 15, 75-15=60
Find the perimeter. Simplify your answer.
Answer:
i like you become my friend girl friend i am boy
10. The ordered pairs (1, 2), (2, 8), (3, 18), and (4, 32) represent a function. What is a rule that represents this function? Show your work for full credit!
a.2x
b.2x+2
c.x^2
d.2x^2
Answer:
B 2x+2 I don't know whether is correct or not
Line A is represented by the following equation: x + y = 2
What is most likely the equation for line B so the set of equations has no solution?
Answer:
[tex]ax+ay=k; a\ne0, k\ne2a[/tex]; line D in the options.
Step-by-step explanation:
The set of equations has no solutions if the two lines are parallel. A quick way to create a parallel line is to solve for y, put it in slope-intercept form. Else, as long as the cofficient of x and y are in the same ratio (in this case 1:1), the two lines are parallel, you just have to be careful not to pick the same line again!
The condition [tex]a\ne 0[/tex] makes sure you are still getting lines (else you would get rid of both x and y); the condition [tex]k\ne 2a[/tex] makes sure you're not picking line A again, just written in a different form.
Now that we have the options:
A and C have a different ratio for the coefficient of x and y (2:1 and 1:2) so are not good.
Choice B is just a more complicated way to write the same line, you can see by dividing both sides by 2 and get back x+y=2.
Line D is correct.
What is the slope of the line passing through the points (1, 7) and (4, -1)? Leave your answer as a fraction
3. Daysmir is solving the inequality 15 - x < 14. He knows the solution to the equation
15 - x = 14.
How should Daysmir determine whether x > 1 or x < 1is the solution to the inequality
and which solution set is right?
Answer
ask a teacher
Step-by-step explanation:
if you want to learn the anwer it hard for me to exlpain but if you ask the teacher she will explain to you more better then i will
Can you help me please?
Answer:
B
Step-by-step explanation:
The Pythagoras theorem states that [tex]c^{2} = a^{2} + b^{2[/tex], where [tex]c[/tex] is the hypotenuse and a and b are the adjacent and opposite sides of the hypotenuse. If we made [tex]a[/tex] the subject of the expression, the expression will be re-written as [tex]a^{2} = c^{2} - b^{2}[/tex], which is the correct answer.
Slove system of equation.
2x - 6y = 8
-3x + 9y = 12
Y=-3(x-4)+3x
Find f(-1)
Can someone solve and explain please? No Bots No Links.
Answer:
12
Step-by-step explanation:
while f(x) = f(-1) then we can solve the equation
Y=-3(x-4)+3x
f(x)=-3(x-4)+3x
f(-1)=-3(x-4)+3x
=-3((-1)-4)+3(-1) = 12
Y=12
A washer and a dryer cost $1000 combined. The cost of the washer is $175 more than the cost of the dryer. Determine the cost of the washer and the cost of the dryer.
Answer:
washer is 587$
Step-by-step explanation:
1000 - 175
825
825 divided by 2 than add 175 to the washers half
the cost of the washer is $587.5, and the cost of the dryer is $412.5.
Let's assume the cost of the dryer is "x" dollars.
According to the information given, the cost of the washer is $175 more than the cost of the dryer. So, the cost of the washer can be represented as "x + $175" dollars.
The combined cost of the washer and the dryer is $1000. Therefore, we can write the equation:
Cost of washer + Cost of dryer = $1000
(x + $175) + x = $1000
Now, let's solve for "x":
2x + $175 = $1000
Subtract $175 from both sides:
2x = $1000 - $175
2x = $825
Now, divide both sides by 2 to find the value of "x":
x = $825 / 2
x = $412.5
So, the cost of the dryer is $412.5.
Now, let's find the cost of the washer:
Cost of washer = Cost of dryer + $175
Cost of washer = $412.5 + $175
Cost of washer = $587.5
Therefore, the cost of the washer is $587.5.
In summary, the cost of the washer is $587.5, and the cost of the dryer is $412.5.
Learn more about cost here
https://brainly.com/question/12055956
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Find the area of the figure. All intersecting sides meet at right angles. a. 1,440 m2 c. 76 m2 b. 106 m2 d. 46 m2
that all i know hope it helped to your modules
HELP!!!!What is 1/4 turned into a decimal I REALLY NEED HELP BEFORE MY TEACHER GIVES ME A BAD GRADE
Answer:
0.25
Step-by-step explanation:
Answer:
→1/4 as a decimal is 0.25
(I hope you get this answer correct, and also hope you have a great day or night! :)).
Write an algebraic expression to represent the verbal statement: The product of the difference of m and 7 and 6. PLS HELP
Answer:
x=m-7-6
Step-by-step explanation:
what each word means, in your own words
Please help at least by defining in your own words 3 or more.
Rotation
Transformation
Translation
Dilation
Angle of Rotation
Line of Reflection
Rotation - Rotation is a plane transformation that rotates every point in a figure through a given angle and direction on a fixed point.
Transformation - Transformation is a process that alters the shape and or position of a point, a line, or a geometric figure.
Translation - Translation occurs when a figure is relocated from one position to another without changing its size, shape, or orientation.
Dilation - Dilation is a transformation that alters the size of a figure, whether enlarging or shrinking it, but it has no effect on the shape of the figure.
Angle of Rotation - Angle of Rotation is the amount that a figure is rotated about a fixed point referred to as the point of rotation.
Line of Reflection - Line of Reflection is a transformation in which each point in a shape appears at an equal distance on the opposite side of a given line.
Hope this helps!!
yoo I don't understand this pls help :))
geometry
Answer:
At the bottom of the text.
Step-by-step explanation:
The triangle is isosceles. The measure of the two internal angles J and K are equal; The misure of the external K angle (2) is half a circle minus the internal K (1). The internal angle in R is calculated by difference between 180 and twice the internal K angle (1).
1. 72° as well.
2. 180-70-70 = 40°
3. [tex]m\angle2 = 110 \rightarrow m\angle1 =70[/tex], Same as #2: 40°
4. [tex]x+2x+2x = 180 \rightarrow 5x=180 \righarrow x= 36[/tex]
5. [tex]x +(x+30)+(x+30) = 180 \rightarrow 3x +60 = 180 \rightarrow 3x= 120 \rightarrow x=40[/tex]
3. Kyle and Michael a rup a lap around a track. Kyle gets a 50 a meter head start and runs 3 meters
per
second. Michael runs at a speed of 4 meters per second. How long will it take for Michael
to reach Kyle?
Answer:
50 second
Step-by-step explanation:
let the distance between Michael and kyle (s)
s= 50 m
we want to know how long it takes for Michael(speed 4 m/s ) to reach kyle(3m/s)
v = s/t
t = s/v
Vm = speed of Micheal
Vk = speed of kyle
v = ( Vm - Vk )
t = 50/(4-3) = 50 second
Mr.Thomson wants to protect his garage by installing a flood barrier. He connects 2 barriers side by side. Each barrier is 9 feet high. What is the combined area of the barriers
Answer:
300 ft
Step-by-step explanation:
Hey everyone i would appreciate a step by step explanation. Also the actual question was written in mixed number form i just converted it into improper fractions.
10/9 + 56/27
Answer:
86/27 or 3 5/27
Step-by-step explanation:
10/9 is nothing but 30/27 (multiply the numerator and denominator by 3/3)
By adding 30/27+56/27, we get 86/27, which is our final answer
How to simplify and multiply fractions.
Answer:
*Find a number on top of the fractions and a number on the bottom of the fractions that can both be divided by the same number.
*Divide both numbers in the fractions by this number.
*Write the answers to this division in the place of the original numbers in the fraction.
Graph the line with slope 1 passing through the point (2, 4). make an actual graph. help plis 21 point!
Answer:
y=x+2
Step-by-step explanation:
since the slope is 1, we have y=x +b. now plug in the point (2,4) to get 4=2+b, b=2, so the graph is y=x+2
Evaluate. 8.1÷0.9+0.43÷0.8⋅30 Enter your answer as a decimal in the box.
Answer: The answer is 25.125
A box of cereal states that there are 96 calories in a
3
4-cup serving. What is the unit rate for calories per cup? How many calories are there in 3 cups of the cereal?
Answer: 96
Step-by-step explanation:
96/3 = 32 per cup 32 x 3 = 96
Last month, a carpenter made 2 tables. This month, he made 50% fewer tables. How many tables did the carpenter make this month?
Answer:
1
Step-by-step explanation:
2 divided by 2
Answer:
1 table
Step-by-step explanation:
2 x 0.5 = 1
Hope this helps!
Two cubes are of sides 6 inches and 8 inches respectively. Find the ratio of (a) their sides, (b) their areas on one face, (c) their volumes.
Answer:
a. the ratio of the sides is 6: 8, or 3:4
b. the ratio of the surfaces is [tex]\frac{6\times 6}{8\times8}[/tex] or 9:16, the square of the ratio of the sides.
c. the ratio of the volumes is [tex]\frac{6\times6\times6}{8\times8\times8}[/tex] or 27:64, the cube of the ratio of the sides.
10. What is the value of c?
Answer:
VALUE OF C = SUCK IT BRO
Step-by-step explanation:
[tex]\sf 2x+21=3[/tex]
Free
[tex] \sf \longmapsto \: 2x + 21 = 3[/tex]
[tex]\sf \longmapsto2x = 3 - 21[/tex]
[tex]\sf \longmapsto2x = - 18[/tex]
[tex]\sf \longmapsto \: x = \frac{ - 18}{2} [/tex]
[tex]\sf \longmapsto x = - 9[/tex]
Answer:
[tex]\bf x=-9[/tex]
Step-by-step explanation:
[tex]\sf 2x+21=3[/tex]
Subtract 21 from both sides:-
[tex]\sf 2x+21-21=3-21[/tex]
Simplify
[tex]\sf 2x=-18[/tex]
Divide both sides by 2:-
[tex]\sf \cfrac{2x}{2}=\cfrac{-18}{2}[/tex]
[tex]\sf x=-9[/tex]
Fizza had 9 bags of rice.She sold 1/3 of them.Find number of bags left.
Answer:
26/3
Step-by-step explanation:
first 9-1/3 then
27-1/3 =26/3
-8x+60=28 word problems pls
what is the best way to remember the distributive property?
Answer:
Think of it as.....
a(b+c) also know as... ab+ac=______
Step-by-step explanation:
hope this helps!
your going to rock the distributive property
Answer:
Maybe to practice at least 10 problems a day, the more you have right the more you are gonna see yourself become more successful in that area.
Also watch videos, anyone that you can find I recommend.
or go to Khan Academy.
Step-by-step explanation:
I did it as well and now I pass everything that is compared to that subject.