To ensure Trisha has at least 5 times as many key chains as thumb drives in each gift bag, the inequality x ≥ 5y can be used, where x is the number of key chains and y is the number of thumb drives. Considering she needs to make at least 50 bags, the inequality x + y ≥ 50 is also relevant.
For Trisha to satisfy the condition of having at least 5 times as many key chains as thumb drives in each gift bag, the following inequality can represent her situation:
x ≥ 5y
Here, x is the number of key chains and y is the number of thumb drives. Trisha must also create at least 50 gift bags, so another inequality to consider is the total number of gift bags:
x + y ≥ 50
Since Trisha has 25 thumb drives (y) and 200 key chains (x), she is limited by the number of thumb drives. The maximum number of gift bags she can create with one thumb drive in each is 25 bags, which means she can use up to 125 key chains (5 times 25). Thus, Trisha can satisfy the requirement by using all 25 thumb drives and up to 125 key chains, ensuring there's a minimum of one thumb drive or key chain per bag.
What are the slope and y-intercept of the graph of y=−13x+1 ? A. slope: −13; y-intercept: 1 B. slope: 13; y-intercept: −1 C. slope: 1; y-intercept: −13 D. slope: 13; y-intercept: 1
Answer:
The correct answer is A) slope: -13 Intercept: 1
Step-by-step explanation:
When you have something in slope-intercept form, the slope is always the coefficient of x, which in this case is -13.
The intercept is always the constant at the end of the equation, which in this case is 1.
Answer:
a)
Step-by-step explanation:
y=3x, is this in standard form? And if not can i get an explanation on why not?
Answer: i would say no
Step-by-step explanation:
To write a linear equation in standard form, move each variable term to the left side of the equation and simplify.
Ax+By=C
Since x
is on the right side of the equation, switch the sides so it is on the left side of the equation.
3x=y
Move y
to the left side of the equation because it contains a variable.
3x−y=0
Answer:
no but see explanation
Step-by-step explanation:
the equation of a line in standard form is
Ax + By = C ( A is a positive integer and B, C are integers )
rearrange y = 3x into this form
subtract y from both sides
0 = 3x - y, hence
3x - y = 0 ← in standard form
Write an equation that represents the line.
Use exact numbers.
The calculated equation of the line is y = 3/4x - 4.5
How to determine the equation of the lineFrom the question, we have the following parameters that can be used in our computation:
The graph
A linear equation is represented as
y = mx + c
Where
c = y when x = 0
m = slope
Using the above as a guide, we have the following:
m = (-6 + 3)/(-2 - 2)
m = 3/4
So, we have
y = 3/4x + c
Using the points, we have
3/4 * 6 + c = 0
Evaluate
c = -4.5
So, we have
y = 3/4x - 4.5
Hence, the equation is y = 3/4x - 4.5
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How do I divide 4 digit by 1 digit
Answer:
long division
Step-by-step explanation:
3000/3= 1000
Answer:
Good, now we’re going to explain how to solve a 3-digit division problem in 5 simple steps.
Step #1. Observe how many digits the divisor has.
In our example, the divisor has 3 digits.
Step-by-step explanation:Good, now we’re going to explain how to solve a 3-digit division problem in 5 simple steps.
Step #1. Observe how many digits the divisor has.
In our example, the divisor has 3 digits. Step #2. In the dividend, start with the same number of digits that you found in Step #1.Step #3. Compare the 3 digits from the dividend and divisor.
If the dividend’s number is greater, we can begin dividing. In our example, we see that 389 is greater than 125, so let’s get started!
If the dividend’s number is less than the divisor, we must use another digit from the dividend. We’ll look at an example of this situation at a different time.
Step #4. Divide the dividend’s numbers by the divisor’s numbers.
Divide the dividend’s first number (which is 3 in our example) by the divisor’s first number (1). 3 by 1 is 3. Then, we multiply our divisor (125) by 3 and see that it fits in (in other words, that it’s less than) the dividend’s 3 numbers. So, we place the result underneath the dividend’s 3 digits and subtract.
Plz help I need this by today
Answer:
the answers are below
Step-by-step explanation:
I don't know which one you needed help on
First one: 128x=96 --> x=3/4 so 96 is 75% of 128
Second one: 7^2=49, then use distributive property for the second part (3*5.2) and (3*-2.8)---> 49+15.6-8.4= 56.2
Third one: find the greatest common factor between 7x and 56 (it is 7 since seven can go into 56)---> 7(x+8)
11.REINFORCE The lengths of three sides of a triangle are 2x, 3x - 4, and x+4. Find a value of x that makes the triangle equilateral.
Answer:
x=4
Step-by-step explanation:
It suffices to equate any two sides and then check whether the solution is valid for the third side.
Taking 2x and 3x-4 and equating:
2x = 3x-4
x = 4
This means the sides are both of length 8. Now check whether for x=4 the third side is also of length 8:
x+4=4+4=8
which indeed works out confirming x=4 being a valid solution
Final answer:
To determine a value for x that results in an equilateral triangle with side lengths 2x, 3x - 4, and x + 4, we equate the three expressions and solve for x, finding that x = 4 satisfies the condition of equal side lengths.
Explanation:
To find a value of x that makes the triangle equilateral, we set all three sides equal to each other because an equilateral triangle has all sides of the same length. Given the side lengths as 2x, 3x - 4, and x + 4, we can set up two equations:
2x = 3x - 4
2x = x + 4
Solving the first equation for x gives us:
2x = 3x - 4
x = 4
Solving the second equation for x gives us:
2x = x + 4
x = 4
Both equations yield x = 4 as the solution. Therefore, if x is 4, the lengths of the sides of the triangle will be 8, 8, and 8 respectively, which satisfies the conditions of an equilateral triangle.
PLEASE HELP!!!!!!!!!!!!
Which number(s) below belong to the solution set of the inequality? Check all that apply.
“5x>145”
A. 55
B. 31
C. 10
D. 8
E. 11
F. 29
x > 29 so,
A. 55
B. 31
Answer:
A.55
B.31
F.29
Step-by-step explanation:
for his phone service John pays a monthly fee of $13 and he pays an additional $0.06 per minute of use the least he has been charged in a month is $73.96
what are the possible numbers of minutes he has used his phone in a month. Use M for the number of minutes and solve your inequality for M
Answer:
m ≥ 1016
Step-by-step explanation:
13+0.06M≥73.96
0.06M ≥ 60.96
m ≥ 1016
In an experiment, a student randomly chooses an answer to two multiple-choice questions. The first question has 4 answers to choose from, and the second question has 5 answers to choose from. How many outcomes are in the sample space? Enter your answer in the box.
Answer:
20
Step-by-step explanation:
Since you have 2 different questions to gather outcomes from, you multiply the amount of choices each has. Obviously, 4 * 5 = 20 so the answer is 20.
Using it's concept, it is found that there are 20 outcomes in the sample space.
The sample space is the set that contains all possible outcomes for an experiment.
In this problem:
For the first question, there are 4 possible outcomes.For the second question, there are 5 possible outcomes.The outcomes in the first question are independent of the outcomes in the second question, hence there are 4 x 5 = 20 outcomes in the sample space.
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5y = 135 help me
what does y equal?
Answer:
27
Step-by-step explanation:
Solve for y:
5 y = 135
Divide both sides of 5 y = 135 by 5:
(5 y)/5 = 135/5
5/5 = 1:
y = 135/5
The gcd of 135 and 5 is 5, so 135/5 = (5×27)/(5×1) = 5/5×27 = 27:
Answer: y = 27
Answer:
y = 27
Step-by-step explanation:
Divide both sides of the equation by 5.
[tex]\frac{5y}{5}[/tex] = [tex]\frac{135}{5}[/tex]
[tex]y = 27[/tex]
To check if this is true, substitute 27 back into the original equation.
[tex]5y=135[/tex]
[tex]5(27)=135[/tex]
[tex]135=135[/tex]
how many points of intersection are there between line A and line B if they contain points listed?
Line A: (-4,9) and (0,-3)
Line B: (4, -9) and (0, 3)
a. zero
b. one
c. two
d. infinite
Answer:
Zero
Step-by-step explanation : If you plot the points on a graph, you would notice they have the same slope but different y intercepts. This means they are Parallel lines and have no slope (Or Zero slope). Hope this helps!
The lines are parallel and will never intersect, so the answer is zero points of intersection.
Explanation:First, we can determine the slopes of the two lines. Line A has a slope of (change in y)/(change in x) = (-3 - 9)/(0 - (-4)) = -12/4 = -3. Line B has a slope of (3 - (-9))/(0 - 4) = 12/(-4) = -3. Since the slopes are equal, the lines are parallel and will never intersect. Therefore, the answer is a. zero points of intersection.
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at a maximum speed, an airolane travels 1680 miles against the windin 5 hours. Flying with the wind, the plane can travel the same distance in 4 hours. Let x br the maximum speed of the plane and y be the speed of the wind. What is the speed of the plane with no wind?
Answer:
Plane Speed (x) = 378 mph
Step-by-step explanation:
Equation
d = r * t
Givens
With the wind
d = 1680 milest = 4 hoursr = x + yAgainst the wind
d = 1680t = 5 hoursr = x - yEquation
The distances are the same, so you can solve for x in terms of y and then deal with the actual distance.
(x + y)*4 = (x - y)*5 Remove the brackets on both sides
Solution
4x + 4y = 5x - 5y Subtract 4x from both sides4y = -4x + 5x - 5y Combine4y = x - 5y Add 5y to both sides 5y + 4y = xx = 9ySolution part 2
Now take one of the distance formulas and solve for x first then y.
(x - y)*5 = 1680 Substitute 9y for x(9y - y)*5 = 1680 Subtract on the left8y * 5 = 1680 Multiply on the left40y = 1680 Divide by 40 y = 1680/40 y = 42 That's the speed of the wind.(x - y)*5 = 1680 Substitute the wind speed for y (x - 42)*5 = 1680 Divide both sides by 5(x - 42) = 1680 / 5 Do the division on the right(x - 42) = 336 Add 42 to both sides.x = 336 + 42x = 378 mph Plane's speedElimination Method 7x=3y+45 4x+5y=19 (Show it step by step please!)
[tex]\left\{\begin{array}{ccc}7x=3y+45&|\text{subtract 3y from both sides}\\4x+5y=19\end{array}\right\\\left\{\begin{array}{ccc}7x-3y=45&|\text{multiply both sides by 5}\\4x+5y=19&|\text{multiply both sides by 3}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}35x-15y=225\\12x+15y=57\end{array}\right}\qquad|\text{add both sides of the equations}\\.\qquad47x=282\qquad\text{divide both sides by 47}\\.\qquad \boxed{x=6}\\\\\text{Put the value of x to the second equation}[/tex]
[tex]4(6)+5y=19\\\\24+5y=19\qquad\text{subtract 24 from both sides}\\\\5y=-5\qquad\text{divide both sides by 5}\\\\\boxed{y=-1}\\\\Answer:\ \boxed{x=6\ and\ y=-1}[/tex]
6,-1 this is the answer
NEED HELP ASAP! (Will give 24 points and mark Brainliest!)Malik wants to have at least $30 in his bank account so that he can purchase some songs. When he starts saving he has $8, he is given $7 by his aunt, and then earns another $10 mowing lawns. At least how much more does he need?
a) Write an inequality representing this situation.
b) Solve the inequality and interpret the solution.
c) Is the solution reasonable?
Answer:
x≥5
Step-by-step explanation:
A) 8+7+10+x ≥ 30
B) 8+7+10+x ≥ 30
First add 8, 7 and 10
8+7+10=25
25+x ≥ 30
Now subtract 25 from both sides (25-25) and (30-25)
x≥5
Answer:
I believe its B but im not to sure with this question sorry
Step-by-step explanation:
What are the quotient and remainder of (3x^4-2x^3+7x-4)/(x-3)
Answer: Remainder: 206
Quotient: 3x³+7x²+21x+70 + [tex]\frac{206}{x-6}[/tex]
Step-by-step explanation: You can either use long division or synthetic division. I will use synthetic division: 3 | 3 -2 0 7 -4... the remainder is 206 and the quotient is 3x³+7x²+21x+70 + 206/x-6
The remainder is 206 and the quotient is ([tex]3x^{4} - 2x^{3} + 7x -4[/tex] -206) /(x - 3)
What is quotient in a division?A result obtained by dividing one quantity by another is called a quotient.
What is remainder in a division?Remainder is the value left after the division.
How to find the quotient and remainder of the division?We know that, if (x - h) divides a function f(x) then f(h) is the remainder.∴ Here the remainder will be putting x = 3 in the dividend.
So, remainder = [tex]3(3)^{4} - 2(3)^{3} + 7(3) - 4[/tex] = 206
We can get the quotient by the quotient remainder rule which saysin a division, dividend is equal to divisor multiplied by quotient plus remainder.
Let the quotient be Q(x)
Here, we can write,
[tex]3x^{4} - 2x^{3} + 7x -4[/tex] = (x - 3)Q(x) + 206
⇒ Q(x) = ([tex]3x^{4} - 2x^{3} + 7x -4[/tex] -206) / (x - 3)
So, the required quotient is ([tex]3x^{4} - 2x^{3} + 7x -4[/tex] -206) / (x - 3)
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Y=x+3 and y=3x+6 system of substitution
[tex]\left \{ {{y=x+3} \atop {y=3x+6}} \right. \\\\ \left \{ {{y=x+3} \atop {3x+6=x+3}} \right. \\\\\left \{ {{y=x+3} \atop {3x-x=3-6}} \right. \\\\\left \{ {{y=x+3} \atop {2x=-3\ /:2}} \right. \\\\\left \{ {{x=-1.5} \atop {y=-1.5+3}} \right. \\\\\left \{ {{x=-1.5} \atop {y=1.5}} \right.[/tex]
[tex]\left\{\begin{array}{ccc}y=x+3&(*)\\y=3x+6&(**)\end{array}\right\\\\\text{Substitute}\ (*)\ \text{to}\ (**):\\\\x+3=3x+6\qquad\text{subtract 3 from both sides}\\\\x=3x+3\qquad\text{subtract 3x from both sides}\\\\-2x=3\qquad\text{divide both sides by (-2)}\\\\\boxed{x=-1.5}\\\\\text{Put the value of x to}\ (*)\\\\y=-1.5+3\\\\\boxed{y=1.5}\\\\Answer:\ \boxed{x=-1.5\ and\ y=1.5\to(-1.5;\ 1.5)}[/tex]
Please answer quickly
Consider the function f(x)=−2/3x+5 .
What is f(−1/2) ?
Enter your answer as a simplified fraction.
Answer:
[tex]\frac{16}{3}[/tex]
Step-by-step explanation:
To evaluate substitute x = - [tex]\frac{1}{2}[/tex] into f(x)
f( - [tex]\frac{1}{2}[/tex])
= - [tex]\frac{2}{3}[/tex] × - [tex]\frac{1}{2}[/tex] + 5
= [tex]\frac{1}{3}[/tex] + 5
= [tex]\frac{1}{3}[/tex] + [tex]\frac{15}{3}[/tex] = [tex]\frac{16}{3}[/tex]
if D is the midpoint of line AC, C is the midpoint of line AB, and BD=12, what is the length of line AB
Look at the picture.
x + 2x = 12
3x = 12 divide both sides by 3
x = 4
AB = 12 + x
therefore AB = 12 + 4 = 16
Answer: AB = 16.write this as a algebraic expression (the quotient of 4 and a number)
Answer:
4/n
Step-by-step explanation:
An algebraic expression is in terms of variables and constants.
quotient means division
the quotient of 4 and a number
4/n
What could be the next statement that Ivan makes his proof?
Answer: Choice A) Triangle ABC is similar to triangle ACD by AA
AA stands for Angle Angle. Specifically it means we need 2 pairs of congruent angles between the two triangles in order to prove the triangles similar. Your book might write "AA similarity" instead of simply "AA".
For triangles ABC and ACD, we have the first pair of angles being A = A (angle A shows up twice each in the first slot). The second pair of congruent angles would be the right angles for triangle ABC and ACD, which are angles C and D respectively.
We can't use AAS because we don't know any information about the sides of the triangle.
there are 18 oranges in box A and 36 in box B. What is the ratio of the oranges in Box A to Box B?
Answer:
hello there the answer is 36:18
Step-by-step explanation:
because it dosent matter which number is bigger it matters about the oder they ask to put it in and in this case a to b =36to18
Hey there!
[tex]\boxed{BoxA: 18}[/tex]
[tex]\boxed{BoxB:36}[/tex]
You could have your [tex]ratio[/tex] to look like this: [tex]18:36[/tex] (most likely going to be your answer if you are looking for the ratio of the number)
BUT if you're trying to solve your [tex]ratio[/tex] then....Both terms go into [tex]18[/tex], [tex]9[/tex], and [tex]2[/tex]
[tex]\frac{18}{2}[/tex] [tex]= 9[/tex]
[tex]\frac{36}{2} = 18[/tex]
[tex]\boxed{9:18}[/tex]
[tex]\frac{18}{9} = 2[/tex]
[tex]\frac{36}{9} = 4[/tex]
[tex]\boxed{2:4}[/tex]
[tex]\frac{18}{18} = 1[/tex]
[tex]\frac{36}{18} = 2[/tex]
[tex]\boxed{1:2}[/tex]
Answer: [tex]\boxed{36:18}[/tex] or [tex]\boxed{18:36}[/tex]
Good luck on your assignment and enjoy your day!
~[tex]LoveYourselfFirst:)[/tex]
The volume of a small packing box is "3x2 + 3x" in3 smaller than a large packing box with a volume of "5x2 − 2x + 10" in3. Find a single expression that represents the size of a small packing box. A) 2x2 − 2x + 10 B) 2x2 − 5x + 10 C) 8x2 − 5x + 10 D) 8x2 + x + 10
Answer:
B
Step-by-step explanation:
subtract the volume of the small box from the large box, that is
5x² - 2x + 10 - (3x² + 3x)
= 5x² - 2x + 10 - 3x² - 3x ( collect like terms )
= 2x² - 5x + 10 → B
The answer is:
B. (5x2 − 2x + 10) − (3x2 + 3x) = 2x2 − 5x + 10)
(In terms of pi )what's the surface area of a cylinder with a 14cm diameter and a heigth of 18cm.
ive done the math and got 1099 or something but that isnt one of the options on my assignment.
Answer:
= 1099 cm^2
Step-by-step explanation:
The surface area of a cylinder is found by using the formula
SA=2πrh+2πr^2
We know the diameter. To find the radius, we take the diameter and divide by 2.
r =d/2
r =14 cm/2 = 7 cm
h = 18 cm
Substituting what we know
SA = 2 * pi * 18 * 7 + 2 * pi * (7)^2
= 252 *pi + 2* pi *49
= 252 pi + 98 pi
= 350 * pi
Let pi be approximated by 3.14
SA = 350 * 3.14
= 1099 cm^2
The sum of the digits of the number 2016 is 9.What is the least number greater than 2016 whose sum of the digits is 9
Answer:
2025 if Im not wrong...
Step-by-step explanation:
I'm really confused on this one... plz help me!
~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~°~
Consider the situation where the Robinson family is driving home from visiting their relatives The table driving a certain amount of time, x shows how many miles, y, remain after Use the table, choose all that are correct.
A) The function that models the situation is y- 325 25x
B) The function that models the situation is y- 350-50x
C) The rate of change defined by the function is 50
D) The initial value defined by the function is 350
Answer: Choice B and choice D
The function that models the situation is y = 350 - 50x
The initial value defined by the function is 350
====================================================
Explanation:
Each time you increment (increase) x by 1/2 = 0.5 an hour, the y value drops by 25. So this means that each increase of 1 full hour means y drops by 50. The rate of change is -50, not positive 50, so this rules out choice C (which is fairly close but not quite there)
The initial value is 350 because we go backwards on the table. If x decreases by 0.5 hr, then y increases by 25 miles. So we add 25 to the y value in the first row to get 325+25 = 350 as our starting value. This is how far it is from the Robinson home to their relatives' house, which is why choice D is one of the answers.
The other answer is choice B because m = -50 is the slope or rate of change, and b = 350 is the starting value (y intercept), so y = mx+b turns into y = -50x+350 and that's equivalent to y = 350 - 50x. All I did was swap the values since we can add in any order. Because choice B is the proper function, this rules out choice A as an answer.
The function that models the situation is y = 350 - 50x. The rate of change defined by the function is 50. The initial value defined by the function is 350.
Explanation:The function that models the situation is y = 350 - 50x.
B) The function that models the situation is y = 350 - 50x.
C) The rate of change defined by the function is 50.
D) The initial value defined by the function is 350.
To determine the function that models the situation, we can use the table provided.
The table represents the relationship between the amount of time, x, and the remaining distance, y, after driving for that amount of time.
Since the remaining distance decreases as the amount of time increases, we can conclude that the function is a linear function with a negative slope.
The slope represents the rate of change, which is the amount by which y decreases for each unit increase in x.
In this case, the rate of change is 50, meaning that for every hour of driving, the remaining distance decreases by 50 miles.
The initial value of 350 represents the distance remaining when no time has passed (x = 0).
This means that when the family starts their drive, they have 350 miles left to travel.
Therefore, option D is correct.
Drag each expression to show whether it is equivalent to 8(t+8),8t +8, or neither
Answer:
Box-1:
Neither
Box-2:
[tex]8(t+8)[/tex]
Box-3:
[tex]8(t+8)[/tex]
Box-4:
[tex]8t+8[/tex]
Box-5:
Neither
Box-6:
[tex]8t+8[/tex]
Step-by-step explanation:
We can verify each box
Box-1:
[tex](8+t)+(8+8)[/tex]
we can simplify it by combining like terms
[tex]=8+t+8+8[/tex]
[tex]=8+t+16[/tex]
[tex]=t+24[/tex]
none of them matches
so, Neither
Box-2:
[tex]8t+64[/tex]
we can write as
[tex]8\times t+8\times 8[/tex]
now, we can factor out 8
[tex]8(t+8)[/tex]
Box-3:
[tex]8\cdot t+8\cdot 8[/tex]
we can factor out 8
[tex]8(t+8)[/tex]
Box-4:
[tex]4t+8+4t[/tex]
we can combine like terms
[tex]4t+4t+8[/tex]
[tex]8t+8[/tex]
Box-5:
[tex]8t+16[/tex]
we can factor common term
[tex]8\times t+8\times 2[/tex]
now, we can factor out 8
[tex]8(t+2)[/tex]
so, we can see that none are matching
so, Neither
Box-6:
[tex]4(2t+2)[/tex]
we can distribute 4
[tex]4\times 2t+4\times 2[/tex]
we can simplify it
[tex]8t+8[/tex]
simple answer
8(t+8):
(8 • t) + (8 • 8)
8t + 64.
8t + 8:
4t + 8 + 4t
4(2t + 2)
Neither:
(8 + t) + (8 + 8)
8t + 16
pls mark brainlist
Your realized income is $36,864.00/yr. Your fixed and housing expenses are 32% and your savings are 15% of your realized income per month. How much discretionary money do you have, excluding savings, per month?
Answer:
You will have $1628.16 per month in discretionary money.
Step-by-step explanation:
In order to find the amount of money you have left for discretionary purposes at the end of the money, you need to calculate the total amount of your monthly pay is going towards expenses and savings. Since there are 12 months in a year, your monthly income is $3072. Of that amount, you spend 32% on housing and 15% on savings, for a total of 47%. The remaining percentage of your income would be considered discretionary, which would account for 53%. To find the amount of money, you take your monthly income and multiply it by 53%, or .53, which gives you $1628.16.
The discretionary money for a month is $1628.16, excluding savings per month.
What is discretionary money?The discretionary money is the leftover money in the income after excluding the savings and expenditures.
Calculating the discretionary money for the given income:The given realized income is $36,864.00/yr
Then for a month, the realized income = $36,864/12
= $3072/month
Fixed and housing expenses are 32% of the realized income/month
= $3072 × [tex]\frac{32}{100}[/tex]
= $983.04
Savings are 15% of the realized income/month
= $3072 × [tex]\frac{15}{100}[/tex]
= $460.8
Then subtracting these from the realized income per month to get the discretionary money
Discretionary money (per month) = $3072 - $983.04 - $460.8
= $1628.16
So, the discretionary money left after excluding savings is $1628.16/month.
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Find the slope of the line passing through the pair of points. (−4, 5) and (0, 2)
A. undefined
B. 34
C. −34
D. 43
The formula of a slope:
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
We have the points (-4, 5) and (0, 2). Substitute:
[tex]m=\dfrac{2-5}{0-(-4)}=\dfrac{-3}{4}=-\dfrac{3}{4}[/tex]
Answer: C. -3/4Slope of the line passing through the pair of points (−4, 5) and (0, 2) is option C. -3/4.
What is Slope?Slope of a line is the ratio of the change in y coordinates to the change in the x coordinates of two points given.
Slope can also be defined as the tangent of the angle that the line is making with the positive X axis.
Given are two points on a line.
(−4, 5) and (0, 2)
We have to find the slope of the line.
Slope = Change in y coordinates / Change in x coordinates
= (2 - 5) / (0 - -4)
= -3/4
Hence the slope of the line through the two points is -3/4.
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Aisha owns an apparel store. She bought some shirts and jeans from a wholesaler for $3,900. Each shirt cost $12 and each pair of jeans cost $28. If she sold the shirts at 70% profit and jeans at 125% profit, her total profit was $3,885. How many shirts and jeans did she buy from the wholesalers? 101 shirts and 96 jeans 129 shirts and 84 jeans 150 shirts and 75 jeans 160 shirts and 71 jeans
Answer:
150 shirts and 75 jeans
Step-by-step explanation:
s = shirts
j = jeans
12s+28j = 3900
The profit on the shirts is 70 percent so we multiply 12 by .7
12*.7 = 8.4
The profit on the jeans is 125 percent so we multiply 28 by 1.25
The profit was 3885
28*1.25 = 35
8.4s+ 35j=3885
We now have 2 equations and 2 unknowns
12s+28j = 3900
8.4*s+ 35j=3885
I am going to solve by elimination
Multiply the first equation by -.7
-.7 (12s+28j )= -.7*3900
-8.4s -19.6j=-2730
Add this to the second equation
-8.4s -19.6=-2730
8.4s+ 35j=3885
------------------------
15.4j = 1155
Divide each side by 15.4
15.4j/15.4= 1155/15.4
j = 75
Now we need to find the shirts.
We will substitute j=75
12s+28(75) = 3900
12s +2100 = 3900
Subtract 2100 from each side
12s = 3900-2100
12s = 1800
Divide by 12
12s/12 = 1800/12
s =150
How many numbers between 1 and 100 (inclusive) are divisible by 3 and 4?
Answer:
For the number 3 there are 33 numbers divisible by 3 from 1 to 100. If you want the number divisible by both 3 and 4 it is 58 . 58 - 8 = 50 numbers by 3 or 4. Hope I helped