Step-by-step explanation:
ab+a+b+b+ab
=2ab+a+2b
=a+2b+2ab
We can only add the same term numbers together.
hope it helps!
Marty and Ethan both wrote a function, but in different ways.
Marty
y plus 3 equals StartFraction 1 Over 3 EndFraction left-parenthesis x plus 9 right-parenthesis.
Ethan
A two column table with 5 rows. The first column, x, has the entries, negative 4, negative 2, 0, 2. The second column, y, has the entries, 9.2, 9.6, 10, 10.4.
Whose function has the larger slope?
Answer:
Marty's function has larger slope as compared to Ethan's slope.
Step-by-step explanation:
Marty function:
y plus 3 equals StartFraction 1 Over 3 EndFraction left-parenthesis x plus 9 right-parenthesis.
Writing in mathematical form: [tex]y+3=\frac{1}{3}(x+9)[/tex]
Marty has written expression in point-slope form: [tex]y-y_1=m(x-x_1)[/tex] where m is slope
So, comparing Marty's equation with general point-slope form equation we get slope [tex]m=\frac{1}{3}\:or\: 0.3[/tex]
Now, Ethan has a table
x y
-4 9.2
-2 9.6
0 10
2 10.4
We can find slope using formula: [tex]Slope=\frac{y_2-y_1}{x_2-x_1}[/tex]
Using any two points, we can find slope of Ethan's equation
[tex]Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{9.6-9.2}{-2-(-4)} \\Slope=\frac{0.4}{-2+4} \\Slope=\frac{0.4}{2} \\Slope=0.2[/tex]
So, we get Marty's slope = 0.3
Ethan's slope = 0.2
So, Marty's function has larger slope as 0.3 is greater than 0.2
Answer:
C
Step-by-step explanation:
The maximum number of running shoe inserts that can
be produced is
At possibility B, pairs of running shoe inserts can
be produced
At possibility D, pairs of hiking boot inserts can
be produced.
Answer:
15 12 6
Step-by-step explanation:
edg
3 lbs, 7 ounces = ____ ounces
Answer:
one pound is equal to 16 oz
(3x16= 48)
(48+7=55)
55 ounces
What is the value of n? 3n - 4 = 10
Answer:
4 and 2 thirds or 4 2/3 <mixed number
Step-by-step explanation:
4+10=14
14/3n=4.666 repeating decimal or just 4 2/3
10 A daycare serves apple slices to children at lunchtime. The table below shows how
many apples were cut up and served each day of the week in relation to the number
of children in attendance.
M
T
W
Th F
Children 24
30
28
26
19
Apples
18
20
21
18
10
Is there a proportional relationship between the number of children and the number
of apples in this situation? Explain your answer and provide the constant of
proportionality if there is one.
Answer: No, there isn't a proportional relationship.
Step-by-step explanation: In these type of problems, always divide. For it to be proportional, the number of children/ apple slices should be the same for all days. But it isn't, the value differs.
Answer:
3:2 is the proportional relationship
Step-by-step explanation:
The scatter plot shows the population P of a town (in thousands) t years after 2000. Which best linear equation to model the town’s population from 2000 to 2019?
A) P(t) = 1.12t + 0.20
B) P(t) = 0.02 + 1.12
C) P(t) = 0.20t + 1.12
D) P(t) = 1.12t + 0.02
Answer:
P(t)=1.12t+0.20
Step-by-step explanation:
Hope it helps lov
every 5 months, hal has to replace the batteries in his calculator. he changed them the first time in may. in what month will they be changed the 25th time?
The 25th battery replacement will occur in October.
What is Rate of change?
A rate is anything that can be measured over time. Common rates include velocity (which is the rate of distance traveled), power (rate of work being done), etc. All these have one thing in common which is that they are all divided by the amount of time it took to obtain a certain measurement.
The last time he changed his batteries was in May, so we know he needs to change them every 5 months. So we can figure out when he has to replace them for the 24th time. The first thing we need to do is figure out how many months have passed since he has to replace them 24 times a year.
[tex]\begin{aligned}5\text{ months}\cdot 24\text{ replacement}&= 120\text{ months}\end{aligned}[/tex]
From the amount of months we can calculate the amount of years that will pass.
120 months x (12 months/ 1 year ) = 10 year
Adding 10 years to May results in 10 years later May, which is the month of the 24th replacement.
That is the 24th battery replacement will occur in May and therefore, the 25th battery replacement will occur in October.
Read more about unit rates at:
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4/25^1/2nnnmmmmmmmmmmmmmmmmmmmmmmm
Answer:
0.08
Step-by-step explanation:
4/25^1/2 = 0.08
Given that 8x−4y=39
Find y when x=5
Give your answer as a fraction in its simplest form
Answer:
answer is 1/4 or One divided by four
Answer:
[tex]y=\frac{1}{4}[/tex]
Step-by-step explanation:
[tex]8x-4y=39; x=5\\\\8(5)-4y=39\\\\40-4y=39\\\\40-40-4y=39-40\\\\-4y=-1\\\\\frac{-4y=-1}{-4}\\\\\boxed{y=\frac{1}{4}}[/tex]
Hope this helps.
What is 15% of 60? using a double number line
Answer:
9
Step-by-step explanation:
60 × 15%
= 60 × 0.15
= 9
Answer:
Step-by-step explanation:
15*60=900/100
9
What is the value of x in the equation 3-2x--15x?
6
2
2
6
Consider the given equation is [tex]3-2x=15[/tex] and one of the 6 in the options is -6.
Given:
The equation is
[tex]3-2x=15[/tex]
To find:
The value of x.
Solution:
We have,
[tex]3-2x=15[/tex]
Subtracting 3 from both sides, we get
[tex]3-2x-3=15-3[/tex]
[tex]-2x=12[/tex]
Divide both sides by -2.
[tex]x=\dfrac{12}{-2}[/tex]
[tex]x=-6[/tex]
Therefore, the value of x is -6.
9.
Which linear equation is represented by the data in the x,y table? BE
CAREFUL ON THIS QUESTION, look carefully at how the x values are growing in the table.
X
y
0
1
2
5
4
9
6
13
Answer:corvette correct
Step-by-step explanation:
2(x+6)=-36 2(x+6)=-36 2(x+6)=-36 2(x+6)=-36
A map uses a scale of 0.5 cm = 75 km
50 km=__cm
280 km =__cm
142.5 km=__cm
Answer:
50km = 0.33cm
280km = 1.87cm
142.5km = 0.95cm
Step-by-step explanation:
Ratio is 0.5/75 = 1/150 cm per km
6. A glider descends 240 meters in 12 seconds. What is the average change in
elevation per second?
Answer:
20 meters per second
Step-by-step explanation:
240/12
Answer: The average change in elevation per second is -20 meters.
Step-by-step explanation: If a glider descends 240 meters in 12 seconds, then it descends 20 meters in one second. However, because the glider is descending, then the value and slope of change must be negative.
Mario makes 6 free throw shots out of his first 10 attempts.
Answer;
he missed 4 of his shots
Step-by-step explanation:
Abby can paint 1/3 of her room in 30 minutes.at what rate could she paint her room?
Answer:
3mper min
Step-by-step explanation:
Answer:
To paint the room it would take 90 minutes, the rate is that she can paint 1/30 of her room each minute
Step-by-step explanation:
Free Branliest
Answer please I LONELY PLS GUYS PLEASE
Answer:
Hello. How's your day been so far?
Step-by-step explanation:
Answer:
Ya
Step-by-step explanation:
mathematics 30 points
Yall grinding points
Answer:
837x4=3348
Step-by-step explanation:
First multiply 7 by 4 which is 28. You keep the 8 as part of your answer, and put 2 above 3 in other words regroup.
Next multiply 3 by 4 which is 12 and add 2 which equals 14. Again, leave the 4 as part of your answer and put the 1 over the 3 in other words regroup.
Then multiply 8 by 3 and add 1 which equals 33.
1 2
837
x 4
3348
should i restart my cumputer to see if my khan % will go up if i keep getting 100 on my work
Answer:
whats you mean
Step-by-step explanation:
For ride sharing services, Uber charges $5 for the first mile and $1.20 each additional mile. Lyft charges $7 for the
first mile and $0.95 for each additional mile. What is the equation to show how many miles will it take for the cost to
be the same?
Answer:8 miles
Step-by-step explanation:
Im having trouble figuring this out, please help!
Triangle STU with vertices
S(-15, -3), I(-12, -15). and U(0, -9):
k= 1/3
Katya decided that she could not afford the $48,000 it would cost her to attend college and get her four-year degree. Instead, she entered the full-time workforce four years earlier than her peers who went to college. During those four years, she earned a total of $90,000. However, without a college degree, Katya made an average of $10,000 less than she could have with a degree every year for the 40 additional years of her career. What was the long-term financial cost of Katya deciding to not attend college?
Answer: $310,000
Step-by-step explanation:
In 40 additional years, the amount she made less than her college counterparts was;
= 10,000 * 40
= $400,000
She however made $90,000 more than them as they went to college;
= 400,000 - 90,000
= $310,000
The long-term financial cost was $310,000.
Which of these is an example of driving at an average rate of 20 miles per hour?
A. driving 10 miles in 2 hours.
B. driving 15 miles in 5 hours.
C. driving 25 miles in 5 hours.
D. driving 40 miles in 2 hours.
Answer:
D
Step-by-step explanation:
40/2=20
Answer:
give the other guy the thing
Step-by-step explanation:
Complete the division sentence.
5 ÷______ = 15
Answer:
1 by 3 could be your answer
pyramid q has a rectangular base and a volume of 96 cubic inches. pyramid r has a rectanglular base that is one-half the base area of pyramid q and a height that is 3 times the height of pyramid q. what is the volume of pyramid r?
The volume of pyramid R is 144 cubic inches.
We have to find the dimensions of pyramid Q using the given information:
Volume of pyramid Q = 96 cubic inches
The volume of a pyramid is given by the formula:
Volume = (1/3) * base area * height
Since pyramid Q has a rectangular base, let's assume its base has dimensions length (L), width (W), and height (h).
Volume of pyramid Q = (1/3) * (L * W) * h
We are given that the volume of pyramid Q is 96 cubic inches:
96 = (1/3) * (L * W) * h
Now, let's move on to pyramid R:
Base area of pyramid R = (1/2) * base area of pyramid Q
Base area of pyramid R = (1/2) * (L * W)
Height of pyramid R = 3 * height of pyramid Q
Height of pyramid R = 3 * h
Now, we can calculate the volume of pyramid R using the same volume formula:
Volume of pyramid R = (1/3) * (base area of pyramid R) * (height of pyramid R)
Volume of pyramid R = (1/3) * ((1/2) * (L * W)) * (3 * h)
Volume of pyramid R = (1/2) * (L * W) * (h)
We know that the volume of pyramid Q is 96 cubic inches,
so (L * W) * h = 96*3 = 288.
Now, let's substitute this value into the formula for the volume of pyramid R:
Volume of pyramid R = (1/2) * 288
Volume of pyramid R = 144 cubic inches
So, the volume of pyramid R is 144 cubic inches.
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Help me pls I beg you pls help me need answer I’m around 10 mins pls helpASAPP
Answer:
-1, 1, 3, 5, 7, 9
Just replace x in the equation y=2x+3 with the values given in the question
Solve for y: 12h - my = 3
Answer:
y=-3/m+12h/m
Step-by-step explanation:
y=-3/m+12h/m i believe is the answer
how do you find the x-intercept in sentences?
Answer:
To find the x-intercept of any equation, set the y-value to 0.
Step-by-step explanation:
Example:
y=1x+4
To find x-intercept:
0=1x+4
1. Subtract 4 from both sides
2. Divide both sides by 1
The x-intercept is -4
What is the solution of x/3 - 5=4? Justify each step.
Answer: x=27
Step-by-step explanation: hope this helps!
How much is 2+45/6?
Answer:
The correct answer to 2+45/6 is either 9.5 or 9 1/2.
Step-by-step explanation:
In order to solve 2 + 45/6, we need to turn the fraction into a decimal (by dividing the numerator by the denominator) and/or a mixed number (by dividing the numerator by the denominator, and marking the rest)
Step 1: Convert fraction into decimal/mixed number:
45/6 or 45 ÷ 6 = 7.5
45/6 = 7 3/6 or 7 1/2
Step 2: Add two to Both the decimal/mixed number:
7.5 + 2 = 9.5
7 1/2 + 2 = 9 1/2
Therefore, 2+45/6 is either 9.5 or 9 1/2.
Hope this helps! :D