Answers
Answer:
B) 4y - 2 - 3y = 6
Step-by-step explanation:
x = 4y - 2 Substitute this into the second solution
x - 3y = 6
4y - 2 - 3y = 6
Related Questions
John has four more apples than Kim. Kim has three times as many apples than Rob. Altogether, they have 46 apples. How many apples does each person have?
Answers
Answer:
Step-by-step explanation:
j=k+4
k=3r
j=3r+4
j+k+r=46
3r+4+3r+r=46
7r+4=46
7r=42
r=6, since k=3r
k=18, since j=k+4
j=22
j,k,r=22,18,6
if $40 equals 15 gallons, how much money is in 3 gallos? this is due soon pls help
Answers
Answer:
$8
Step-by-step explanation:
$40:15 gallons
:3 gallons
So first you say what did you do to 15 to get three?
15÷3= 5
Now you divide forty by five since that is what you did to 15 to get three.
40÷5= 8
Find the measure of Side b. Round to the nearest whole number. b = __ in.
Answers
cos33 = b/170
170cos33 = b
b = 142.574 inches
The value, in dollars, of an antique has increased exponentially over x years as shown in the graph. image What are the domain and range of the function? A. Domain: x ≥ 0 Range: y ≥ 0 B. Domain: x ≥ 0 Range: y ≥ 1,000 C. Domain: all real numbers Range: y ≥ 1,000 D. Domain: all real numbers Range: y ≥ 0
Answers
Answer:
C. Domain: all real numbers Range: y ≥ 1,000
Step-by-step explanation:
0 to 10 years = 50
30 to 40 years = 150
Domain: all real numbers and Range: y ≥ 1,000, which is the correct answer would be an option (C).
What are the domain and range of the function?The domain of the function includes all possible x values of a function, and the range includes all possible y values of the function.
The graph is given in the question.
The value, in dollars, of an antique, has increased exponentially over x years as shown in the given graph.
We have to determine the domain and range of the function.
As per the given graph,
we can see that the values of the x-axis are all real numbers in the graph which means its domain is all real numbers and the value of the y-axis begins at 1000 and continuously increases, therefore this means the range of the function is y ≥ 1,000.
Thus, Domain: all real numbers and Range: y ≥ 1,000.
Hence, the correct answer would be an option (C).
Learn more about the domain and the range here:
brainly.com/question/21027387
#SPJ3
A delivery driver is traveling a total of 250 miles from a warehouse to a store at an average speed of 45 miles per hour. The function f(x)=250-45xf(x)=250−45x represents the distance remaining, in miles, after traveling for xx hours.
Answers
Answer:
115miles
Step-by-step explanation:
Given the function of the distance remaining represented by the function
f(x) =250-45x where;
x is the time taken in hours
Since we are not told what to loom for, we can calculate the distance remaining after 3hrs.
Substitute x =3 into the equation
f(3) = 250-45(3)
f(3) = 250-135
f(3) = 115
Hence the distance remaining after 3 hrs is 115miles
Solve for x in the equation 2 x squared minus 5 x + 1 = 3.
Answers
Answer:
x=-0.35 or x=2.85
Step-by-step explanation:
2x^2-5x+1=3
2x^2-5x-2=0
use quadratic formula
x=(5±√41)/4
decimals = x=-0.35 or x=2.85
Answer:
option D
Step-by-step explanation:
I took the test
Emma is travelling to the store 25 miles away from her house. On Emma's map, her house and the store are 5 inches apart. What is the scale used for Emma's map?
a.) 1 inch=5 miles
b.) 1 inch=15 miles
c.) 1 inch=25 miles
d.) 1 inch=100 miles
Answers
find the value of x
please help
Answers
Answer:
Here we can see that two lines are intersecting so that the angles formed will be vertically opposite angles,
Thus, the value of both angles will be equal
i.e., x+3 = 84
⇒ x = 84 - 3
⇒ x = 81
Thus the value of x is 81
Find the value of x.
6
8
x
Answers
Answer:
10
Step-by-step explanation:
Pythagorus thereom. So
8sq +6sq= xsq
64+36=100
Sq root 100 is 10
solve the system of equations by adding. check your answer.
2x+2y=2
3x-2y= 43
the solution of the system is ( , ).?
Answers
Answer:
The solution of the system is (9,-8)
Step-by-step explanation:
2x+2y=2
3x-2y= 43
5x = 45
x = 9
2(9) + 2y = 2
18 + 2y = 2
2y = -16
y = -8
Rectangle 1 has length 10 and width 20. Rectangle 2 is made by multiplying each dimension of Rectangle 1 by a factor of k=3
Answers
Answer:
30cm, 60cm
Step-by-step explanation:
Given data
Dimensions of the first rectangle
Length =10cm
Width =20cm
We are told that the dimensions of the second rectangle is gotten by multiplying the first rectangle by 3
Hence the dimensions of the second rectangle is
Length =10*3= 30cm
Width = 20*3= 60cm
Helpppppppp due todayyyy
Answers
So the answer is C
Write an equation of a linear function with slope −2 that passes through the point (4,−5).
Answers
Answer:
y=-2x+3
Step-by-step explanation:
y-y1=m(x-x1)
y-(-5)=-2(x-4)
y+5=-2x+8
y=-2x+8-5
y=-2x+3
A segment has an endpoint at (4,3). The midpoint is at (4,7). What are the coordinates
of the other endpoint?
Answers
Answer:
(4, 11)
(4,3) |----4 units----| (4, 7) |----4 units----| (4, 11)
I already did number 1 but can someone help me with number 2
Answers
Answer:
17×17 is 289 therefore her calculation is correct
Can someone tell me what the answer is for x/-9≥3 as a simplified answer
Answers
-9/1•x/-9 ≥-9•3
Cross cancel -9 on left side
x ≥ -27
How to covert this y=(x-4)(x-12) into standard form
Answers
Answer:
x^2-16x+48
Step-by-step explanation:
Use foil,
x^2-12x-4x+48
x^2-16x+48
Any help please? (pre-algebra) Please provide an explanation, if not it’s fine but one would be appreciated.
Answers
Answer:
Option C
Step-by-step explanation:
Height of the rocket is modeled by,
h(t) = -16t² + 125t + 24
Height of the rocket in t = 0.1 seconds
h(0.1) = -16(0.1)² + 125(0.1) + 24
= -0.16 + 12.5 + 24
= 36.34 feet
At t = 5 seconds,
h(0.5) = -16(5)² + 125(5) + 24
= -400 + 625 + 24
= 249 feet
At t = 5.6 seconds,
h(5.6) = -16(5.6)²+ 125(5.6) + 24
= -501.76 + 700 + 24
= 222.24 feet
At t = 7.8 seconds,
h(7.8) = -16(7.8)² + 125(7.8) + 24
= -973.44 + 975 + 24
= 25.56 feet
Therefore, change in height is maximum at t = 5.6 seconds
Option C will be the answer.
rocket is launched from a tower. The height of the rocket, y in feet, is related to the
time after launch, a in seconds, by the given equation. Using this equation, find out
the time at which the rocket will reach its max, to the nearest 100th of a second.
y=16x^2+ +225x+79
Answers
Answer:
7.03 seconds
Step-by-step explanation:
First, you need to differentiate the equation (The derivative of y represents the rocket's velocity):
y' = 32x + 225
Then, set y' to 0 and solve for x
0 = 32x + 225
x = 7.03s
does 5 2/5 require renameing to be subtracted bye 2/14
Answers
Answer:
5 2/5 - 2/14 = 184/35
= 5 9/35
Step-by-step explanation:
I hate my life, the stress and anxiety makes it impossible for me to focus and concentrate in school, so I end up with even more missing asignments, which my ADHD doesn't help at all either. I just feel like its all too much. Theres nothing I can do to get out of thi situation. I feel like commiting s.u.i.c.i.d.e... Im scared.. I don't wanna tell my parents because im to nervous! I don't want to live or die..I need help.. Please someone out there tell me what I can do
Answers
Answer:
it may be hard but try talking to your parents or try reaching out to a friend
Answer:
oh :( im in a similar situation rn.. minus wanting to k.ms
Step-by-step explanation:
ok so you have to start somewhere right? even if your work has piled up, its better so start now then let it get even worse. that'll also make you feel worse. last semester i let everything pile up without doing a single assignment and i failed all of my classes. my parents and teachers were disappointed, and i used to be an all A student so it was really embarrassing. i wish i could go back in time and do all of my work so i would have free time now.
my point is you'll regret not doing your work, so please do it. you'll have more time to do things you enjoy, and im sure your parents will be proud of you for all the progress you've made. it seems hard right now but i promise it gets easier as you start working. if you get overwhelmed by anything, try telling your family, friends or teacher. they only want the best for you so please don't hesitate to ask them anything!!
Hallie made 12 quarts of homemade yogurt. She put the yogurt in 34-cup containers. How many containers did Hallie fill?
Answers
Answer:
1 container and 14 cups
Step-by-step explanation:
We know that 1 quart = 4 cups
therefore, 12 quart = 48 cups
each container has 34 cups
so one container would be full and remaining 48-34 =14 cups can be filled in another container.
Complete the statement. Round to the nearest hundredth if necessary.
7 lb = oz
Answers
Answer:112
Step-by-step explanation:
Answer:
I dont know sorry
Which inequality correctly compares 2/5, 1/8 ,5/7
Answers
Answer:
The correct answer is -3.9> -4.5
Step-by-step explanation:
Can two obtuse angles be supplementary? Explain why or why not
Answers
Answer:
no
Step-by-step explanation:
No, two obtuse angles cannot form a supplementary angle. By the definition of obtuse angles, the angles that measure greater than 90° are obtuse. If you add two obtuse angles, the sum will be greater than 180°. It will not satisfy the property of the supplementary angles when we add obtuse angles.
Answer: the answer is No
Step-by-step explanation: the answer is no because, two obtuse angles cannot form a supplementary angle. By the definition of obtuse angles, the angles that measure greater than 90° are obtuse. If you add two obtuse angles, the sum will be greater than 180°. It will not satisfy the property of the supplementary angles when we add obtuse angles.
A man invests in a bank he gets 3% per year compound interest his final balance is £10927.27 after 3 years what was his investment
Answers
Answer:
Step-by-step explanation:
I'm failing 3 classes and am behind in all 4 classes. Got any advice anyone?
Answers
Answer:
Try to limit distractions, like ur phone, and take notes during class.
The sum of 3 consecutive integers is 30.
What is the third number in this sequence?
Answers
Answer:
11
Step-by-step explanation:
the 3 numbers are 9, 10, 11
Answer:
Third number = 11
Step-by-step explanation:
Let 3 consecutive numbers be x ,x +1 , x +2
x +x+1 + x+ 2 = 30
x +x +x + 1 + 2 = 30 {Combine like terms}
3x + 3 = 30 {Subtract 3 from both sides}
3x = 30 - 3
3x = 27 {Divide both sides by 3}
x = 27/3
x = 9
Third number =x + 2 = 9 + 2 = 11
The lifespans of gorillas in a particular zoo are normally distributed. The average gorilla lives 20.8 years; the
standard deviation is 3.1 years.
Use the empirical rule (68-
95 - 99.7%) to estimate the probability of a gorilla living between 11.5 and 27
years.
Answers
Answer:
The probability of a gorilla living less than 23.9 years is 0.84 (84%)
Step-by-step explanation:
A coach of a basketball team orders hats for the player on his team .Each hat cost $9.95.The shipping charge for the entire order is $5.00.There is no tac in this order /The total cost of the coachs order is less then $125.00.Which ineqo can be used to determine the greatest number of hats ,h,the coach orders?
Answers
Answer:
the answer is 9.95h+ 5 < 125
Step-by-step explanation: