Answer:
42,46
Step-by-step explanation:
2n+2n+4=88
4n+4=88
4(n+1)=88
n+1=88/4
n+1=22
n=22-1
n=21
Therefore
2n=2*21=42
2n+4=2*21+4
2n+4 = 42+4 = 46
When Sebastian left his house in the morning, his cell phone battery was partially charged. The charge remaining in Sebastian's battery, as a percentage, can be modeled by the equation B=-9t+81, where t is the number of hours since Sebastian left his house. What is the slope of the equation and what is its interpretation in the context of the problem?
Answer:
The slope is -9
and the interpretation is that the percentage that drops on the battery per hour is 9%
Step-by-step explanation:
Generally, the equation of a straight line can be represented by the formula;
y = mx + b
where m is the slope and b is the y-intercept
With respect to the given equation, the slope is -9
What it means is that the percentage that drops per hour on the battery is 9%
Answer:
-9, the percentage charge that Sebastian's phone loses each hour
Step-by-step explanation:
help please its timed
Answer:
pretty sure its c
Step-by-step explanation:
Whats 39% as a fraction? Ik its 39/100 but is that the answer tho?
Answer:
Yes, 39/100 is the correct answer. You can't necessarily simpify it any further than that
Step-by-step explanation:
It is estimated that there are 1.2×1057 atoms in the Sun. The number of atoms in the rest of the Solar System is approximately 1.2×1056. About how many more atoms exist in the Sun than in the rest of the Solar System? Drag numbers to complete the answer in scientific notation.
Answer:
1.08 * 10^57
Step-by-step explanation:
Given that:
Number of atoms in the sun = 1.2 * 10^57
Number of atoms in the rest of the solar system = 1.2 * 10^56
About how many more atoms exist in the Sun than in the rest of the Solar System?
Subtract the number of atoms in solar system from number of atoms in sun
(Number of atoms in sun - number of atoms in rest of the solar system)
(1.2 * 10^57) - (1.2 * 10^56)
= 1.08 * 10^57 (using calculator)
Answer quickly please
.:$$:$;&4&4’xkekekenfnejeidndndj HELPPP
Answer: Yes
Step-by-step explanation: You can test whether a graph is a function by checking to see if the same X value is used twice. You can also use the Vertical line test to check aswell. Research Vertical Line Test if you are clueless. But Yes, this is a function
What is the equation of a line parallel to the line whose equation is у=х+ 2?
Answer:
It could have any number as long as the slope stays the same.
Step-by-step explanation:
It could have any number as long as the slope stays the same.
For example, it could be y=x-2 or y=x+95. Just as long as the x and y are the same.
What is the quotient in simplest form? StartFraction 8 Over 3 EndFraction divided by two-thirds 0 StartFraction 9 Over 16 EndFraction 1 and StartFraction 7 Over 9 EndFraction 4
Answer:
D: 4
Step-by-step explanation:
Answer:
4th answer
Step-by-step explanation:
Solve the equation by using the graph of the related function. Check your solution.
2x 3=3
The solution to the equation given as 2x - 3 = 3 is x = 3
What are linear equations?Linear equations are equations that have constant average rates of change. Note that the constant average rates of change can also be regarded as the slope or the gradient
How to solve the equation, graphically?The equation is given as
2x - 3 = 3
The above equation is a linear function
So, we plot a linear equation (see attachment)
On the attached graph, we can see that the solution is a vertical line that passes through x = 3
Hence, the solution to the equation given as 2x - 3 = 3 is x = 3
Read more about linear equations at
https://brainly.com/question/14323743
#SPJ1
4(3n-2)=show your work
Answer:
(2 n)/3-2/3 = n/6+4/3
(2 n)/3-2/3 = (2 n-2)/3:
(2 n-2)/3 = n/6+4/3
Put each term in n/6+4/3 over the common denominator 6: n/6+4/3 = n/6+8/6:
(2 n-2)/3 = n/6+8/6
n/6+8/6 = (n+8)/6:
(2 n-2)/3 = (n+8)/6
Multiply both sides by 6:
(6 (2 n-2))/3 = (6 (n+8))/6
6/3 = (3×2)/3 = 2:
2 (2 n-2) = (6 (n+8))/6
(6 (n+8))/6 = 6/6×(n+8) = n+8:
2 (2 n-2) = n+8
Expand out terms of the left hand side:
4 n-4 = n+8
Subtract n from both sides:
(4 n-n)-4 = (n-n)+8
4 n-n = 3 n:
3 n-4 = (n-n)+8
n-n = 0:
3 n-4 = 8
Add 4 to both sides:
3 n+(4-4) = 8+4
4-4 = 0:
3 n = 8+4
8+4 = 12:
3 n = 12
Divide both sides of 3 n = 12 by 3:
(3 n)/3 = 12/3
3/3 = 1:
n = 12/3
The gcd of 12 and 3 is 3, so 12/3 = (3×4)/(3×1) = 3/3×4 = 4:
Answer: | n = 4
Step-by-step explanation:
What is 48% of 120.
Answer:
57.6
Step-by-step explanation:
48% is the same as 0.48
so 120 * 0.48 = 57.6
(3x^4-6x^2-9)*(10x^4-3x^2+7x)
What is 2/19 as a percentage?
Give your answer rounded to one decimal place.
Answer:
10.53%
Step-by-step explanation:
The first step is to divide 2 by 19 to get the answer in decimal form: 2 / 19 = 0.1053 Then, we multiplied the answer from the first step by one hundred to get the answer as a percentage: 0.1053 * 100 = 10.53%
Answer:
11%
Step-by-step explanation:
Divide 2 by 19 and then move the decimal place twice to the right. It should be 10.5 but if rounded it becomes 11 so 11%
Find the coordinates of point b on ac such that the ratio of AB to BC is 2:1
A(2,-8)
C(-4,7)
Please help!!
Answer:
(-2, 3)
Step-by-step explanation:
the point B is
B(x,y)
x
AB (A to B) is twice BC ( B to C )
AB is 2 - x. BC is x - (-4)= x + 4
So
2-x=2 (x + 4)
2-x=2x + 8
3x = -6
x = -2
y
(Same logic as above)
AB is -5 -y. BC is u - 7
-5 -y = 2(y - 7)
-5 - y = 2y - 14
3y = 9
y= 3
the point is (-2, 3)
Put the steps of solving the equation in order from first to last.
2x + 1 = -1
Answer:
x = 1
Step-by-step explanation:
2x + 1 = -1
2x = -1 - 1
2x = -2
x = -2 ÷ -2
x = 1
What is the solution of 5 = t/2 -3?
Answer:
t=16
Step-by-step explanation:
you have to change the numbers to get just the variable.
we start from -3.
5=t/2-3
8=t/2
(we multiply by 2 instead of dividing)
8×2=16
t=16
Determine the slope of the line 8x – 4y - 9 = 0.
Оа
HN
Ob
2
ос
3
Od
4
Answer:
m = 2
Step-by-step explanation:
The given equation is :
8x – 4y - 9 = 0
The general equation of a line is given by :
y = mx+b ...(1)
here m is slope and b is y-intercept
Equation (1) can be written as :
8x – 4y = 9
Dividing both sides by (-4)
[tex]\dfrac{8x}{-4}-\dfrac{4y}{-4}=\dfrac{9}{-4}\\\\-2x+y=-\dfrac{9}{4}\\\\y=2x+\dfrac{-9}{4}[/tex] ...(2)
Comparing equation (1) and (2), we get :
m = 2
Hence, the slope of the line is 2.
Worth 30 points. Help a homie out
Answer:
Multiply the second equation by -3 to get -3x - 9y = -30.
Step-by-step explanation:
When eliminating, you need to find a term with the negative of that term to combine so that they cancel each other out. An example would be 3x in the first equation and (-3x) in another equation so that when added, it becomes: 3x-3x = 0.
In the second equation, you see that there is already an x there and you just need to make it become (-3x). Thus, you multiply the entire second equation by -3 to make -3x. Once you have done that, you can combine the two equations and eliminate 3x from the first equation.
3x + 5y = 30
-3x - 9y = -30
3x + 5y -3x - 9y = 30 + (-30)
0 - 4y = 30 - 30
-4y = 0
You can find y and then x later on from here.
Michael, who really likes to have a bag of chips with his lunch, is comparing chip prices at the store. He can buy a 10-pack of Double Cheese Crisps for $7.80 or a 15-pack of Cheddar Skins for $11.85. Which brand costs less per bag?
Answer:
10-pack of Double Cheese Crisps cost $7.80 cost less per bag
Step-by-step explanation:
Step one:
given
10-pack of Double Cheese Crisps cost $7.80
15-pack of Cheddar Skins cost $11.85
Required:
The unit cost per bag
Step two:
The unit cost of 10-pack of Double Cheese Crisps cost $7.80 is
7.8/10= $0.78
The unit cost of 15-pack of Cheddar Skins cost $11.85 is
11.85/15= $0.79
Answer:
double cheese crisps
✨PLSS HELPPP ✨ SHOW UR WORK TYY ☺️
Triangle ABC is similar to triangle DEC.
Find the value of x.
Answer:
5.6
Step-by-step explanation:
EC = 10
BC = 14
14/10 = 1.4
DE = 4
AB = x = 1.4 * 4 = 5.6
Answer:
[tex]\frac{x}{14} = \frac{4}{10}[/tex] (set up as a proportion)
10x= 56 (cross multiply and then solve)
x= 5.6
Step-by-step explanation:
50 points
The map shows ancient and modern cities on the Indian subcontinent.
A map titled Ancient and Modern Cities on the Indian Subcontinent. A key shows Ancient Indian civilizations with yellow dots and Modern Indian cities with purple dots. There are groups of yellow dots near the western coast and along the Indus River. The modern Indian cities of Mumbai and Chennai are along the coastline with Kolkata and New Delhi near rivers.
How do the locations of ancient and modern Indian cities differ?
a Ancient cities developed only in inland regions, while modern cities developed along the coast.
b Ancient cities developed in mountains, while modern cities developed along the Ganges River.
c Ancient cities developed along the Arabian Sea, while modern cities developed mainly on the Bay of Bengal.
d Ancient cities developed mainly along the Indus River, while modern cities developed near different bodies of water.
Answer:
D.
Step-by-step explanation:
Ancient cities developed mainly along the Indus River, while modern cities developed near different bodies of water.
Answer:
d
Step-by-step explanation:
craig rose is an over-the-road truck driver. if he is paid $0.54 per mile, what is craig's total pay for the day he drove 527 miles?
Answer:
$284.58
0.54 x 527 is 284.58
What is the value of the expression f2 + 5 if f = 4?
Answer:
13
Step-by-step explanation:
f(2)+5
(4)2+5
8+5
=13
6 gas-powered toy cars cost $6,000. The cost of each car is the same. What is the cost of each car?
Answer:
1,000$
Step-by-step explanation:
1,000 x 6 = 6,000$ or 6,000 in math
Answer:
$1,000
Step-by-step explanation:
x = 6,000/6
x = 1,000
5. Find the slope of the line
PLZZ Help me
Answer:
y = -2x
Step-by-step explanation
slope intercept form: y = mx + b
m is slope and b is y-intercept
1. lets find y-intercept cuz thats easiest
the line crosses (0,0) at the y-axis so there is no y-intercept
2. to find slope rise/run
we'll start at (0,0) since that's the y-intercept
3. slope is rise/run = -2/1 = -2
it's negative becuase it's going left
_____________________________________________________
another way you can find slope is by the equation y2 - y1/ x2 - x1
take 2 random points from the line, i will use (0,0) and (-2,4)
4 - 0/ -2 - 0 = 4/-2 = -2
slope is -2
1. Explain whether each following example is proportional or non-proportional.
(a)y=7x-3
(b)The graph is for b
(c) A gallon of milk costs $1.99. A half-gallon of milk costs $3.89.
(d)
x y
2 13
3 19.5
4 26
5 32.5
9514 1404 393
Answer:
(a), (b), (c) are non-proportional
(d) is proportional
Step-by-step explanation:
An equation or graph with a non-zero y-intercept is non-proportional. That is true for (a), (b), (c).
The table of (d) is proportional, with a constant of proportionality of 6.5.
__
Comment on (c)
In a proportional relation, price would go up with quantity, not down. If the prices both end in 9, one cannot be double the other, as would be required for the price of a gallon to be proportional to the price of a half-gallon.
What is the fraction form of $0.25?
HELP!!!! WILL MARK BRAINLIEST!!!!!!
Answer:
2sqaured + 24
Step-by-step explanation:
Help me with these problems ASAP please! *look at attached images