To solve for y we will have to simply replace the value of x and the solution we write it in the equivalent palce for y, that is:
For x = -5:
[tex]y=-(-5)\Rightarrow y=5[/tex]For x = -2:
[tex]y=-(-2)\Rightarrow y=2[/tex]For x = 0:
[tex]y=0[/tex]For x = 3:
[tex]y=-3[/tex]− is 55 units to the right of 0
use the drop down menus to complete the statement about x
x is ------- units to the -------- 0
The value illustrated shows that x is -55 units to the left of 0.
How to illustrate the information?From the given statement we have the value of x is negative. Therefore, we need the complete statement about x being positive.
Therefore we have to put an alternate sign to the given statement we get -x is 55 units to the right of 0.
Negation to the given statement about x is -(-x) is -(55) units to the left of 0. The statement will be that x is -55 units to the left of 0.
By using the drop-down menus to complete the given statement about x is -55 units to the left of 0.
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Carlita had -$15 in her checking account. She earned $87.99 from her job and decided to pay her phone bill for $47.82. After paying her phone bill, how much money is left in her account? Responses
Carlita has $25.17 in her checking account.
A deposit account held at a bank or other financial institution is known as a transaction account.
It is also referred to at credit unions as a share draught account, checking account, chequing account, current account, and demand deposit account. It is accessible frequently and instantly to both the account holder and any other users they may name. The account owner can access it "on demand." It is possible to gain access using a variety of techniques, including cash withdrawals, debit card use, cheques, and electronic transfers. Economically speaking, the funds in a transaction account are regarded as liquid funds. They are treated as currency in the context of accounting.The amount of money in her checking account = -$ 15
She earned $87.99
Now money in her checking account = -15+87.99 = $ 72.99
She paid her phone bill worth $47.82
money in her checking account = $ ( 72.99 - 47.82 ) = $25.17
Therefore she has $25.17 in her checking account.
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Bessie added 1 2/3 cups of fertilizer to each bag of topsoil. She used 7 5/8 bags of topsoil. Bessie used 12 17/24 cups of fertilizer altogether. True or False?
Answer: false
Step-by-step explanation:
Use 1/4 cup per square foot
Solve for f(-2).
f(x) = 2x - 4
f(-2) = [?]
Answer:
f(-2) = -8
Step-by-step explanation:
GivensWe are given a function:
[tex]f(x)=2x-4[/tex]
We are told to find f(-2).
SolveFirst, substitute -2 as x in f(x):
[tex]f(x) = 2x-4\\\\f(-2) = 2x-4[/tex]
Then, substitute -2 as x in the equation itself:
[tex]f(-2) = 2(-2) - 4[/tex]
Then, simplify by multiplying 2(-2):
[tex]f(-2) = 2(-2) - 4\\\\f(-2) = -4 - 4[/tex]
Finally, simplify by performing the final arithmetic:
[tex]f(-2) = -4 - 4\\\\f(-2) = -8[/tex]
Final AnswerTherefore, f(-2) = -8.
If m/3 = 4x + 10 and m/4 = 5x
find m/4.
Answer:
m/4 = 3x - 30
Step-by-step explanation:
Hello!
Let's subtract the second equation from the first equation:
[tex]\frac m3 = 4x + 10\\\frac m4 = 5x[/tex][tex]\frac m3 - \frac m4 = 4x + 10 - 5x[/tex]Now, solve for m.
Solve for m[tex]\frac m3 - \frac m4 = 4x + 10 - 5x[/tex]Multiply both sides by 12 to get rid of the denominators
[tex]4m - 3m = 48x + 120 - 60x[/tex][tex]-m = 120 - 12x[/tex][tex]m = 12x - 120[/tex]Plug in 12x - 120 for m in m/4
Find m/4[tex]\frac m4; m = 12x - 120[/tex][tex]\frac{12x - 120}{4}[/tex][tex]\frac{4(3x - 30)}{4}[/tex][tex]3x - 30[/tex]The value of m/4 is 3x - 30.
Cari is searching online for airline tickets. Two weeks ago, the cost to fly from Hartford to Orlando was $225. Now the cost is $310. What is the percent increase? Responses 38% 38% 27% 27% 73% 73%
The percentage increase in the cost of the airline tickets is 38%.
What is the percentage increase?Percentage is the fraction of a number out of hundred. The sign that is used to represent percentages is %. Percentage is a measure of frequency. In order to convert a value to a percentage, multiply the value by 100.
in order to determine the percentage increase, multiply the fraction of the change in price and the initial price by 100.
Percentage increase = (change in price / initial price) 100
Change in price = new price - initial price = $310 - $225 = $85
Initial price = $225
($85 / $225) x 100 = 38%
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What is the area of the square aboye?
156 square units
52 square units
65 square units
169 square units
OA.
OB.
OC.
OD.
13 units
Will mark brainiest
The area of the square with a side length of 13 units is 169 square units.
What is the area of the given square?A square is simply a regular quadrilateral having all four sides and angles equal.
The area of a square is expressed as;
A = a²
Where a is the side length.
Given the data in the question;
Side length of the square a = 13 unitsArea A = ?To determine the area of the square, plug the given value into the area of square formula and solve for A.
A = a²
A = ( 13 )²
Area A = 169 square units.
Therefore, the area of the square is 169 square units.
Option D) is the correct answer.
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Write an equation of a line that is parallel to 6x-2y=4 and goes through (-5,2)
Answer:
y = -1/3 x + 1/3
Step-by-step explanation:
In the picture.
What is 6 2/3 divided 1/5
Hello!
Let's solve:
[tex]\text{Write down the equation}\\\dfrac{6\dfrac{2}{3} }{\dfrac{1}{5} } \\\\\\\text{Convert the nominator, a mixed partial fraction to an improper fraction}\\\dfrac{\dfrac{20}{3} }{\dfrac{1}{5} } \\\\\\\text{When dividing by a fraction, flip the fraction over and multiply its reciprocal}\\\dfrac{20}{3} *\dfrac{5}{1} = \dfrac{100}{3} \\\\\\\text{Convert the improper fraction back mixed partial fraction}\\\dfrac{100}{3} =33\dfrac{1}{3}[/tex]
Answer: [tex]\dfrac{100}{3} \text{ or }33\dfrac{1}{3}[/tex]
Hope that helps!
Problem 2 Charlie estimates the height of a building to be 924 feet. Charlie's father tells him that his estimate has a 20% error. Explain why this is not enough information for Charlie to find the actual height of the building. Based on this information, what are the two possible values for the actual height of this building?
The actual height of the building is 739.2 feet.
Given the height of a building estimated by Charlie is 924 feet.
His father said that there is 20% error in the estimation.
we should determine 20% of the estimated height.
⇒ height = 924 feet
⇒ error = 20%
⇒ 924 × 20/100
⇒ 924/5
= 184.8 feet
Subtract the error in height with the height given.
⇒ estimated height - error in height
⇒ 924 - 184.8
= 739.2 feet.
hence the actual height is 739.2 feet.
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What is the slope of 7x + 2y = -10
2u - 17 = 11 solve for u simplify your answer as much as possible
Answer:
u = 14
Step-by-step explanation:
2u - 17 = 11
add 17 to both sides:
2u - 17 + 17 = 11 + 17
2u = 28
divide both sides by 2:
2u/2 = 28/2
u = 14
Diane wants to measure the height of a tree. She sights the top of the tree, using a mirror that is lying flat on the ground. The mirror is 35 ft from the tree, and
Diane is standing 7.9 ft from the mirror, as shown in the figure. Her eyes are 6 ft above the ground. How tall is the tree? Round your answer to the nearest foot.
The tree is approximately 27 ft tall if the answer is rounded off to the nearest foot when the similar triangle formula is applied.
What are properties of similar triangles?Two triangles can be said to be similar if their corresponding angles are seen as congruent and thereafter their corresponding sides are in proportion.
What are the 3 similar triangles?Similar Triangles Definition
Angle - Angle (AA)
Side - Angle - Side (SAS)
Side - Side - Side (SSS)Similar triangles are triangles that have the same shape, but their sizes may vary.
If Diane, mirror, and the exact bottom of the tree are placed as points on the ground all lying on one line, then the two right triangles can be stated as:
LEFT: y and 35 as the legs and unknown hypotenuse.
RIGHT: 6 and 7.9 as the legs and unknown hypotenuse.
The two angles pointed at the mirror are seen as of same measure that means that 35 and the hypotenuse of LEFT triangle makes same angle measure as the 7.9 and the hypotenuse of that of the RIGHT triangle.
Since these two are seen as similar triangles,
y/35 = 6/7.9
⇒y = 26.58
⇒ y ≈ 27 ft
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Deion's cab company charges a one-time pickup fee of $2 for every ride, as well as a $1.10 charge for each mile traveled. Find the rate of change.
Answer:
p=2+1.1m
Step-by-step explanation:
p=price, m=miles
Which of the given number sequences represents an arithmetic sequence?
A) 32, 16, 8, 4, 2,...
B 5, 10, 20, 40, 80,...
C)-4, -1/2, 3, 13/2, 10,…
D) 4, 8/3, 16/9, 32/27, 64/81,…
-4, -1/2, 3, 13/2, 10,… represents an arithmetic sequence.
An arithmetic sequence progresses with a common difference which is the difference of consecutive terms.
So for each of the number sequences, we will try to check if the consecutive terms has a common difference.
A) 32, 16, 8, 4, 2,...
16-32 = -16
8-16 = -8
4-8 = -4
2-4 = -2
As the differences of consecutive terms are not same, this sequence is not an arithmetic sequence.
B)5, 10, 20, 40, 80,...
10-5 = 5
20-10 = 10
40-20 = 20
80-40 = 40
Here also the differences of consecutive terms are not same, this sequence is not an arithmetic sequence.
C) -4, -1/2, 3, 13/2, 10,…
-1/2- -4 = 7/2
3- -1/2 = 7/2
13/2-3 = 7/2
10-13/2 = 7/2
This sequence has a common difference and hence is an arithmetic sequence.
D) 4, 8/3, 16/9, 32/27, 64/81,…
8/3-4 = -4/3
16/9-8/3 = -8/9
32/27-16/9 = -16/27
64/81-32/27 = -32/81
Here also the differences of consecutive terms are not same, this sequence is not an arithmetic sequence.
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Find the sum of two hundred even numbers from 0 to 398
The sum of two hundred even numbers in the sequence from 0 to 398 is 39800
Sum of an APTo find the sum of two hundred even numbers from 0 to 398, we can use the formula of sum of an arithmetic progression.
[tex]S_n = \frac{n}{2}[2a(n-1)]d[/tex]
n = number of termsa = first termd = common differenceThe number of terms given here is 200, the first term is 0 and the common difference is 2
Substituting the values into the equation
[tex]S_n = \frac{n}{2}[2a+(n-1)]d\\S_n = \frac{200}{2}[2*0+(200-1)*2\\S_n = 100(0+199)*2\\S_n = 39800[/tex]
The sum of two hundred even numbers from 0 to 398 is 39800
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Which answer choice is not a correct method to illustratethe answer to this problem?876 ÷ 43 = ?A) 876 ÷ 43 ≈ 20 B) 876 ÷ 43 = 20 16/43C) 876 ÷ 43 = 20.16D) 876 ÷ 43 = 20r16 note: the r stands for reminder
The answer to this question represents the possible choices that we have when solving a division.
When solving this division operation, and we use technology, we get the following result:
[tex]\frac{876}{43}=20.3720930233[/tex]Then, we can conclude that:
First CaseWe can conclude that the answer to this division is, approximately, 20. This could be an answer to this operation.
Second CaseIn this case, we can see the integer part of the answer, 20, and a fraction:
[tex]20\frac{16}{43}=20+\frac{16}{43}[/tex]And we know that:
[tex]undefined[/tex]Please help me. I fell asleep during class on accident and I missed steps on how to do this.
Reason:
The equation is in y = mx+b form where
m = 20 = slope
b = 0 = y intercept
The slope is the rate of change. It tells us how fast y increases.
slope = rise/run = 20 = 20/1
rise = 20 = increase the earnings by 20 dollars
run = 1 = each time the number of hours go up by 1
8 circles and 20 squares what is the simplest ratio of total shapes
Answer
8:28 Hope this helps.
A Student recorded a temperature of 75 degrees Fahrhet at
hour 9 and 95 degrees fahreneit at hour 13.
- which caculation could be used to determine the avenge
rate of change between this two temperatures?
At hour 9, the temperature recorded was = 75 degrees
At hour 13, the temperature recorded was = 95 degrees
The rate of change = Change in the temperature / Change in the time
⇒ The rate of change = 95 - 75 degrees / 13 - 9 hour
⇒ The rate of change = 20 degrees / 4 hours
⇒ The rate of change = 5 degrees per hour
What is meant by the Rate of change?The rate of change (ROC) measures how quickly a variable varies over a predetermined amount of time. When discussing momentum, the term ROC is frequently used. It is typically defined as the ratio of a change in one variable to a matching change in another.The momentum of a variable is represented by the rate of change, which is a mathematical term that describes the percent change in value over a specified period of time. Because it enables investors to identify trending securities and other trends, rate of change is a crucial financial term.Acceleration and deceleration are examples of rates of change with regard to speed or velocity. The slope of the line of best fit is used in statistics and regression modeling to determine the rate of change. It is the growth rate of the population. Momentum is a term frequently used in financial markets to describe rate of change.To learn more about the Rate of change, refer to:
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What is the answerrrrrrr
Answer:
c
Step-by-step explanation:
c
if test scores for an exam were normally distributed with a mean of 75 and a standard deviation of 5, find the probability that a randomly selected student scored less than 82
The probability that a randomly selected student in the class test scored marks which is less than 82 is 0.9192
It is given that in a test, the scores for an exam normally distributed has a mean of 75 and a standard deviation of 5. We have been asked to find the probability that a randomly selected student scored less than 82.
From the question we have,
Mean = 75
Standard deviation (SD) = 5
Therefore, the probability that a randomly chosen student has a score of less than 82 is represented as:
(P) Probability ( X < 82) = P { Z < [tex]\frac{82-75}{5}[/tex] }
= P {Z < 7/5}
= P {Z <1.4}
= Area from - ∞ to 1.4
= 0.9192
From the z table the area under the normal curve that corresponds to 1.4 is 0.9192
Hence the required probability of that a randomly selected student scored less than 82 is 0.9192
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Find the sum of 1\5 And 7\10. The expression Written in equivalent form with Common denominator is.... The sum is.....
The Solution:
Given the fractions below:
[tex]\frac{1}{5}\text{ and }\frac{7}{10}[/tex]We are asked to find the sum of the above two fractions.
[tex]\frac{1}{5}+\frac{7}{10}[/tex]The Lowest Common Multiple (LCM) of 5 and 10 is 10
[tex]\frac{2+7}{10}=\frac{9}{10}[/tex]Thus, the correct answer is
[tex]\frac{9}{10}[/tex]A delivery truck drives three routes in one day. The first route is 123 miles long, the second
route is 10 miles long, and the third route is 15 miles long.
What is the total number of miles the delivery truck drives?
To calculate the total number of miles the delivery truck drove, we add the lengths of the three routes together.
-> It drove 123 + 10 + 15 = 148 (miles).
The product of -3 and x is 18
Answer:
-6
Step-by-step explanation:
-3x = 18
divide both sides by -3
18 ÷ -3 = -6
Please help I beg of y’all
Answer:
I think its 180
Step-by-step explanation:
write an equation of the line in slope intercept format (-3,3) (0,-1)
write an equation of the line in slope intercept format (-3,3) (0,-1)
the equation of the line is
y=mx+b
so
step 1
Find the slope
m=(-1-3)/(0+3)
m=-4/3
step 2
Find the equation
we have
m=-4/3
b=-1 ----> is given
substitute
y=-(4/3)x-1find w, given that the line joining a(3,4) to b(w,-5) is perpendicular to a line with slope -2/3
Answer:
w is -3
Step-by-step explanation:
A line with a perpendicular slope with have a slope that is the negative inverse of the reference line. If the reference line is -(2/3), the perpendicular line will have a slope of (3/2).
The line formed by ab: y = (3/2)x + b
We have one given point on line ab with one coordinate known, (3,4), so let's use it to find b:
y = (3/2)x + b
4 = (3/2)*3 + b for (3,4)
4 = (9/2) + b
b = 4 - (9/2)
b = - 0.5
The equation is y = (3/2)x - 0.5
The slope of (3/2) is equal to the Rise/Run of two points on the line: (3,4) and (w,-5):
Rise = (4 - (-5)) = 9
Run = (3 - w)
Slope = 9/(3-w)
(3/2) = 9/(3-w)
(3/2)(3-w) = 9
(9/2) - (3/2)w = 9
9 - 3w = 18
-3w = 9
w = -3
Point b is (-3, -5)
See attached graph.
if a tank holds 2000 gallons of water, andthe water can drain from the tank in 40 min-utes, then torricelli’s law gives the volumevof water remaining in the tank aftertminutesasv
V'(t) = -250(1-(1/40)t)
If we know the time, we can plug in the value for "t" in the above derivative and find how much water drained for the given point of t.
Given:
V =2000( 1- (1/40)t)^2 , where 0≤t≤40.
Here we have to find the derivative with respect to "t"
We have to use the chain rule to find the derivative.
V'(t) = 2 (2000)(1- (1/40)t)d/dt(1- (1/40)t)
V'(t) = 2(2000)(1-(1/40)t(-1/40)
When we simplify the above, we get
V'(t) = -250(1-(1/40)t)
If we know the time, we can plug in the value for "t" and find how much water drained for the given point of t.
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shirt sold at buyer for $7.00 each.
buyer sells shirt for $10.50, what is
his gain?
Answer:
His gain is 3.50$ which is also 50% of 7
Step-by-step explanation:
for next time so you dont gotta waste points all you have to do is go 10.50 -7.00 =3.50 and then just ask go ogle if you are able what percentage is 3.50 of 7.00 because 7.00$ is what he had to pay for so he is making a 50% gain