Answer:
slope = - [tex]\frac{3}{2}[/tex]
Step-by-step explanation:
note that BC is perpendicular to AB, hence the slope of BC is the negative reciprocal of the slope of AB
[tex]m_{BC}[/tex] = - [tex]\frac{1}{2/3}[/tex] = - [tex]\frac{3}{2}[/tex]
a boat can travel 176 kilometers on 88 liters of gasoline. How much gasoline will it need to go 250 kilometers? I NEED TO QUICK THANK U GUYS
Answer:
125 liters of gasoline
Step-by-step explanation:
176/88 = 2
250 / 2 = 125
Question: How many 1 8 lb packages of fudge can be sold from 7 pounds of fudge?
Let us assume that it is 1/8 lb packages of fudge.
So, the question is how many 1/8 lbs of fudge can be sold from 7 pounds of fudge
Answer:
Total amount of fudge = 7 pounds
Portions of division = 1/8 pounds
So, number of packages that can be made from 7 pounds are =
[tex]\frac{7}{\frac{1}{8}}[/tex]
= [tex]7\times8=56[/tex]
Hence, 56 packages of 1/8 lbs each can be made from 7 pounds fudge.
Write an absolute value inequality that describes the acceptable weights, w, of a 20-ounce bottle of sports drink.
Answer: [tex]0\leq w\leq 20[/tex]
Step-by-step explanation:
Since, Here w represents the weight of the bottle.
And, According to the question, he acceptable weights, w, of a 20-ounce bottle of sports drink.
That is, weight of the bottle can not be higher than 20 or the it can be atleast 20.
Therefore, [tex]w\leq 20[/tex]
And, the weight can not be negative.
Therefore, [tex]0\leq w[/tex]
Thus, the required inequality is,
[tex]0\leq w\leq 20[/tex]
What is the slope-intercept equation for the line below? (0, 4) (4, 1)
Answer:
The equation of the line would be y = 5/4x - 4
Step-by-step explanation:
To find the equation of any line, start by finding the slope using the slope formula.
m(slope) = (y2 - y1)/(x2 - x1)
m = (-4 - 1)/(0 - 4)
m = -5/-4
m = 5/4
Now that we have the slope, use that and either point to get the equation of the line
y - y1 = m(x - x1)
y + 4 = 5/4(x - 0)
y + 4 = 5/4x
y = 5/4x - 4
The equation of the line would be y = (5/4) x - 4. Hence, option B is correct.
What is an equation?An equation is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.
To find the equation of any line, start by finding the slope using the slope formula.
m(slope) = (y₂ - y₁)/(x₂ - x₁)
m = (-4 - 1)/(0 - 4)
m = -5/-4
m = 5/4
Now that we have the slope, use that and either point to get the equation of the line.
y - y₁ = m(x - x1)
y + 4 = 5/4(x - 0)
y + 4 = 5/4x
y = 5/4x - 4
Hence, option B is correct.
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[tex] \frac{1}{2} \div \frac{1}{5} \times \frac{2}{5} [/tex]
Answer:
[tex]\frac{25}{4}[/tex]
Step-by-step explanation:
You have to use Order of Operations so you MUST multiply first which gave me [tex]\frac{2}{25}[/tex] and in order to divide that you must make it a reciprocal and that's how I got the answer
Divide by a fraction means the same as multiply by its reciprocal.
[tex]\dfrac{1}{2}\div\dfrac{1}{5}\times\dfrac{2}{5}=\dfrac{1}{2}\times\dfrac{5}{1}\times\dfrac{2}{5}\\\\=\dfrac{1}{\not2_1}\times\dfrac{5}{1}\times\dfrac{\not2^1}{5}=\dfrac{1}{1}\times\dfrac{\not5^1}{1}\times\dfrac{1}{\not5_1}=1\times1\times1=1\\\\Answer:\ \boxed{\dfrac{1}{2}\div\dfrac{1}{5}\times\dfrac{2}{5}=1}[/tex]
given abc with a(-4 -2), b(4,4), and c(18,-8). write the equation of the line that contains the altitude that passes through b in standard form
check the picture below.
so red line of BD is perpendicular to AC, hmmmm let's firstly find the slope of AC, bearing in mind that perpendicular lines have negative reciprocal slopes.
[tex]\bf A(\stackrel{x_1}{-4}~,~\stackrel{y_1}{-2})\qquad C(\stackrel{x_2}{18}~,~\stackrel{y_2}{-8}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{-8-(-2)}{18-(-4)}\implies \cfrac{-8+2}{18+4} \\\\\\ \cfrac{-6}{22}\implies -\cfrac{3}{11} \\\\[-0.35em] \rule{34em}{0.25pt}[/tex]
[tex]\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{-\cfrac{3}{11}}\qquad \qquad \qquad \stackrel{reciprocal}{-\cfrac{11}{3}}\qquad \stackrel{negative~reciprocal}{\cfrac{11}{3}}}\impliedby \textit{BD's slope}[/tex]
so we're really looking for the equation of a line whose slope is 11/3 and runs through B(4,4). Keeping in mind that
standard form for a linear equation means
• all coefficients must be integers, no fractions
• only the constant on the right-hand-side
• all variables on the left-hand-side, sorted
• "x" must not have a negative coefficient
[tex]\bf B(\stackrel{x_1}{4}~,~\stackrel{y_1}{4})~\hspace{10em} slope = m\implies \cfrac{11}{3} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-4=\cfrac{11}{3}(x-4)[/tex]
[tex]\bf \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{3}\textit{ to do away with the denominators}}{3(y-4)=3\left( \cfrac{11}{3}(x-4) \right)\implies 3y-12=11(x-4)} \\\\\\ 3y-12=11x-44\implies 3y=11x-32 \\\\\\ -11x+3y=-32\implies \blacktriangleright 11x - 3y= 32\blacktriangleleft[/tex]
Final answer:
The equation for the altitude passing through point B(4,4) is in standard form as 11x - 3y = 32. This was found by calculating the slope of AC, finding the perpendicular slope, and then applying it with point B to find the equation of the line.
Explanation:
To find the equation of the altitude that passes through point B(4,4) of the triangle ABC with vertices A(-4,-2), B(4,4), and C(18,-8), we need to determine the slope of line AC and then find the perpendicular slope that passes through B.
Firstly, we calculate the slope of AC:
The slope of the altitude will be the negative reciprocal of the slope of AC because the altitude is perpendicular to AC. Hence,
Now we use the point-slope form of the equation of a line using point B:
Rewriting in standard form (Ax + By = C), we get:
So, the standard form of the equation of the altitude passing through point B is 11x - 3y = 32.
PLEASE HELP ME!!!!!!!
Four different coins are used in Australia with values of 5, 10, 20, and 50 cents. The Australian coins in Farmer Tim's pocket have a total value of $3.95, and he has at least one of each coin. What is the smallest number of coins that he could have in his pocket?
Answer:
11
Step-by-step explanation:
Since Farmer Tim has one of each coin, 50+20+10+5=85 cents are accounted for, leaving 395 - 85 = 310 cents for the remaining coins. We can try minimizing the number of coins that add up to 310 cents by using as many large denominations as possible.
The largest denomination is 50 cents, so we can take six 50 cent coins, which add up to 6 times 50 = 300 cents. We then can take one 10 cent coin. Thus, we have a combination of seven coins that up to 310 cents.
Therefore, the smallest number of coins that Farmer Tim could have is 4 + 7 = 11.
Find the absolute value of |-15|
Answer:
15 PLEASE GIVE BRAINLIEST
Step-by-step explanation:
Absolute value is always positive.
Answer:
Step-by-step explanation: Absolute value of -15 is 15. Absolute value is the distance of a number on the number line from 0. Even though it is a negative, it is a positive because it is a number of units from number line. Hope it helps!!☺☻ Please give Brainliest!
Please help, ASAP:
A candy mixture is made from 6 pounds of sugar sticks of $10 per pound and 14 pounds of jelly beans of $8 per pound. Find the price of the candy mixture per pound.
Convert 5.4 ⋅ 103 to standard form. 0.0054 0.00054 5,400 54,000
Answer:
The correct option is C. 5,400
Step-by-step explanation:
Consider the provided number.
[tex]5.4\cdot 10^3[/tex]
If the exponent of 10 is a positive number then you need to move the decimal point right as much as the exponent value.
If the exponent of 10 is a negative number then you need to move the decimal point left as much as the exponent value.
Now consider the provided number.
[tex]5.4\cdot 10^3[/tex]
Here the power of 10 is positive, so move the decimal point right as shown.
[tex]5400[/tex]
Hence, the correct option is C. 5,400
what is
[tex]2x + 4 \geqslant 24[/tex]
please help!!!
[tex]2x+4\geq24\qquad\text{subtract 4 from both sides}\\\\2x\geq20\qquad\text{divide both sides by 2}\\\\\boxed{x\geq10\to x\in[10;\ \infty)}[/tex]
The linear inequality y ≤ 3/2x + 3/2
is graphed. Determine a solution for the inequality.
A) (0, 2)
B) (1, 3)
C) (-2, 0)
D) (-3, 1)
Answer:
it's (B)
Step-by-step explanation:
To find a solution for the linear inequality y ≤ (3/2)x + (3/2), we need to graph it and find the region that satisfies the inequality. The correct solution for the inequality is (-2, 0).
Explanation:To determine a solution for the linear inequality, y ≤ (3/2)x + (3/2), we need to graph it and find the region that satisfies the inequality. This inequality represents a line with a slope of 3/2 and a y-intercept of 3/2. Starting from the y-intercept, we can draw a line that goes up 3 units vertically and 2 units horizontally, and another line that goes down 3 units vertically and 2 units horizontally. Shade the region below the line to include the points that satisfy the inequality. The correct solution for the inequality is (C) (-2, 0).
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1. What is the value of x? Show your work to justify your answer.
2. What is the value of the exterior angle? Show your work to justify your answer.
Answer:
x=72 and the exterior angle is 154
Step-by-step explanation:
We will call the unknown angle in the triangle y. Angle y and the angle (2x +10) form a straight line so they make 180 degrees.
y + 2x+10 =180
Solve for y by subtracting 2x+10 from each side.
y + 2x+10 - (2x+10) =180 - (2x+10)
y = 180-2x-10
y = 170-2x
The three angles of a triangle add to 180 degrees
x+ y+ 82 = 180
x+ (170-2x)+82 = 180
Combine like terms
-x +252=180
Subtract 252 from each side
-x+252-252 = 180-252
-x = -72
Multiply each side by -1
-1*-x = -72*-1
x=72
The exterior angle is 2x+10. Substitute x=72 into the equation.
2(72)+10
144+10
154
Answer: x=72 and the exterior angle is 154
Step-by-step explanation:
We will call the unknown angle in the triangle y. Angle y and the angle (2x +10) form a straight line so they make 180 degrees.y + 2x+10 =180Solve for y by subtracting 2x+10 from each side.y + 2x+10 - (2x+10) =180 - (2x+10)y = 180-2x-10y = 170-2xThe three angles of a triangle add to 180 degreesx+ y+ 82 = 180x+ (170-2x)+82 = 180Combine like terms-x +252=180Subtract 252 from each side-x+252-252 = 180-252-x = -72Multiply each side by -1-1*-x = -72*-1x=72The exterior angle is 2x+10. Substitute x=72 into the equation.2(72)+10144+10154
Please help ASAP!!!
A six-sided number cube is rolled. What is the probability of getting a 3 and then a 4, given that the first number rolled was a 3?
1. 1/3
2. 1/6
3. 1/36
4. 1/2
The probability of getting a 3 and then a 4, given that the first number rolled was a 3 on a six-sided number cube is 1/36.
The probability of getting a 3 and then a 4, given that the first number rolled was a 3 on a six-sided number cube:
Probability of rolling a 3 on the first roll: 1/6
Since each roll is independent, the probability of rolling a 4 after rolling a 3: 1/6
Therefore, the overall probability of getting a 3 and then a 4: 1/6 × 1/6 = 1/36
Please help me with NUMBER 7 !! Thank you so much! 20 points!! :))
Answer:
x<-3 or x>-1
Step by step explanation:
Start with -5x>15. To get x by itself, we have to divide each side by -5. When we do that we get x<-3. (Don't forget to flip the sign when dealing with negative · and ÷.) Now answer the second equation. x-5>-6 To get x by itself, add 5 to both sides to get x>-1. Now we have x<3 or x>-1.
f(x) = x − 3 and g(x) = 2x + 8 Which ordered pair is a solution for the system?
I put it into Desmos and got (-11, -14)
Use the substitute method to solve the system of equations.
3x+y=10
y=6x+1
A. (7,1)
B. (1,7)
C. (-7,-1)
D. (-1,-7)
Answer:
B
Step-by-step explanation:
Put the second y into the first equation
3x + y = 10 substitute for y
3x + 6x + 1 = 10 Combine like terms on the left
9x + 1 = 10 Subtract 1 from both sides
9x = 10 - 1 Combine the right.
9x = 9 Divide by 9
x = 9/9 Divide
x = 1
The answer is right there. Only B is possible
y = 6x + 1
y = 6(1) + 1
y = 6 + 1
y = 7
Answer B
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Identify the type, center, and foci of the conic section. 11x2 – 2y2 + 66x – 16y + 45 = 0
a.ellipse with center (–3, 4), foci at (–3, 4 ± sqrt13)
b.hyperbola with center (3, 4), foci at (4 ±sqrt13, 3)
c. hyperbola with center (–3, –4), foci at (–3 ± sqrt13, –4)
ellipse with center (3, –4), foci at (3, –4 ±sqrt13 )
Answer:
Correct choice is C.
Step-by-step explanation:
The conic section is represented by equation
[tex]11x^2-2y^2 + 66x-16y + 45 = 0.[/tex]
First, simplify this equation:
[tex](11x^2+66x)+(-2y^2-16y) + 45 = 0,\\ \\11(x^2+6x)-2(y^2+8y)+45=0,\\ \\11(x^2+6x+9-9)-2(y^2+8y+16-16)+45=0,\\ \\11((x+3)^2-9)-2((y+4)^2-16)+45=0,\\ \\11(x+3)^2-2(y+4)^2-99+32+45=0,\\ \\11(x+3)^2-2(y+4)^2=22,\\ \\\dfrac{(x+3)^2}{2}-\dfrac{(y+4)^2}{11}=1.[/tex]
This is the equation of hyperbola with center at point (-3,-4), real semiaxis [tex]a=\sqrt{2}[/tex] and imaginary semiaxis [tex]b=\sqrt{11}.[/tex] Then the distance from the center to the focus is
[tex]c=\sqrt{a^2+b^2}=\sqrt{(\sqrt{2})^2+(\sqrt{11})^2}=\sqrt{2+11}=\sqrt{13}.[/tex]
Then foci are placed at points [tex](-3-\sqrt{13},-4),\ (-3+\sqrt{13},-4).[/tex]
Thus, correct choice is C.
Answer:
the answer is c
Step-by-step explanation:
I looked it up and found if on a trust worthy website.
witch multiples of 24 are not factors of 24
Answer:
A factor of 24 is a number that can be multilied by another number (normally whole (not fraction or decimal) numbers) so a factor must be less than the number any multiple of 2 greater than 24 will work so just any even number greater than 24 exg 26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60, and so on.
Step-by-step explanation:
Not all multiples of a number are its factors. In the case of the number 24, only the multiples that can divide evenly into 24, which include 1, 2, 3, 4, 6, 8, 12, and 24, can be considered its factors. Higher multiples like 48, 72 or 96 are not factors as they do not divide into 24.
Explanation:In mathematics, the multiples of a number are obtained by multiplying that number by any integer. The factors of a number, on the other hand, are the numbers that you can evenly divide into that number. Therefore, for the number 24, its multiples include 24, 48, 72, 96, and so on.
However, not all multiples of 24 are factors of 24. A factor must divide into 24 with no remainder, which isn't the case with greater multiples of 24. For instance, 48, 72, 96 etc. are multiples of 24, but they are not factors of 24 because they cannot divide evenly into 24.
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Simplify (m+13)-(p+25)
The simplified expression for (m+13)-(p+25) is m - p - 12.
Explanation:To simplify the expression (m+13)-(p+25), we can distribute the negative sign to both terms inside the parentheses:
[tex]\[m + 13 - p - 25.\][/tex]
Next, combine like terms by grouping the variables (m and -p) and the constants (13 and -25):
[tex]\[m - p + 13 - 25.\][/tex]
Now, simplify the constants:
[tex]\[m - p - 12.\][/tex]
So, the final answer is m - p - 12. This expression represents the simplified form of the given algebraic expression.
In the original expression, (m+13)-(p+25), we subtracted the entire quantity (p+25) from (m+13). Distributing the negative sign, we subtracted p and 25 individually. Combining like terms involved combining the variables (m - p) and constants (13 - 25). The final result is m - p - 12, where m and p are coefficients of the respective variables, and 12 is the simplified constant term.
In summary, the expression (m+13)-(p+25) simplifies to m - p - 12 by applying the principles of combining like terms and distributing the negative sign. This simplified form is a more concise representation of the original expression.
the area a of rectangle is 25 in square the formula for area is a equals 2L W rectangle the area formula to solve for l
Answer:
25/w = l
Step-by-step explanation:
We know that the formula for the area of a rectangle is
A = l*w
We know the area is 25
Substituting this into the equation
25 = l*w
We are to solve for l, by dividing each side by w
25/w = lw/w
25/w = l
To find the length (L) of a rectangle when the area (A) is 25 square inches, you use the formula L = A/W, substituting A with 25 and W with the given width.
To solve for the length (L) of a rectangle with a known area (A), you first need the formula for a rectangle's area, which is A = L × W, where L is the length and W is the width of the rectangle. Given that the area (A) is 25 square inches and the area formula has been incorrectly stated as A = 2LW, we should correct it to A = LW.
If you have a specific width (W), you can rearrange the formula to solve for L by dividing both sides by W, resulting in L = A/W.
Using an example, if we know the width (W) is 5 inches, we could substitute into the formula:
L = A/W
L = 25 in2/5 in = 5 in
Therefore, the length (L) of the rectangle would be 5 inches.
I need help ASAP pleaseSolve for y Y+1.5=7.26
Answer:
5.76
Step-by-step explanation:
If you subtract 7.26 by 1.5 by puting the 1.5 under the 7.26 you would get that and put y=5.76.
Answer:
Y=1.05 = 7.26
Y = 7.26 - 1.05 - 6.21
Step-by-step explanation:
Please help and show work
Answer:
The ratio is 1:3
Step-by-step explanation:
People can do this in different ways.
Firstly, set some variables for cydlinder A:
Diameter = 18
Height = 1
Radius = 18 ÷ 2 = 9
Area of a cylinder is [tex]\pi r^{2} h[/tex]
Plug values in:
[tex]\pi 9^{2} 1[/tex] = 81π
Diameter = 18 ÷ 3 = 6
Height = 1 * 3 = 3
Radius = 6 ÷ 2 = 3
[tex]\pi3^{2}3 = 27\pi[/tex]
Cylinder b is 3 times less than cylinder a:
81π ÷ 27π = 3
So that means three lots of cylinder b is equal to one of cylinder a.
Meaning the ration is 1:3
A water yank holds 18,000 gallons. How long will it take for the water level to reach 6,000 gallons if the water is used at an average rate of 450 gallons per day?
Answer:
see below PLEASE GIVE BRAINLIEST
Step-by-step explanation:
18,000 - 6000 = 12,000
12,000 ÷ 450 = 26.66 = 26 days 16 hours
Three hens can lay 3 eggs in 3 days.In how many days can 7 hens lay 7 eggs?
Answer: 3 days
Step-by-step explanation: It would take 3 days for seven hens to 7 lay eggs because each hen lays an egg each day.
1 hen/1 egg = 3 days
7 hens/7 days = 14 eggs
7 hens/3 days = 7 eggs
Answer:
3 days
Step-by-step explanation:
Three hens lay 3 eggs in 3 days
We have to find the days in which 7 hens lay 7 eggs
Hen/egg=[tex]\frac{3}{3}[/tex]
Hen/egg=1
Using unitary method
1 hen lays 1 egg in 3 days
1 hen lays in 1 day =[tex]\frac{1}{3}[/tex]eggs
7 hens lay 7/3 eggs in 1 day
7 hens lay 1 egg=[tex]\frac{3}{7}[/tex]days
7 hens lay 7 eggs=[tex]\frac{3}{7}\times 7[/tex]
7 hens lay 7 eggs=3 days
Hence, 7 hens lay 7 eggs in 3 days
The area of a rectangular dog pen is 8 1/2 square feet. If the width is 3 2/5 feet, what is the length ,in feet ?
Answer:
2 1/2 ft
Step-by-step explanation:
Area is given by the formula
A = l*w
We know the area is 8 1/2
Changing this to an improper fraction 8 1/2 = (2*8 +1)/2 = 17/2
The width is 3 2/5 as an improper fraction = (5*3+2)/5 = 17/5
A = l*w
17/2 = l* 17/5
Multiply each side by 5/17
17/2 * 5/17 = l* 17/5 * 5/17
5/2 = l
2 1/2 = l
PLEASE ANSWER I WILL GIVE YOU BRAINLIEST
Simplify.
What is the value of the expression? 1/5 (-22.38 - 10.12)
Enter your answers, as a decimal to tenths
Answer:
The answer is 7 if you round 6.5
Step-by-step explanation:
1/5(-22.38 - 10.12)
1/5 (-32.5)
= -6.5
Which of the following is a correct interpretation of the expression 6-13?
Answer:
The answer is C
Step-by-step explanation:
Subtraction goes left on the number line
You always start with the first number on the number line
What are the first 4 terms of the arithmetic sequence in the graph?
Look at the picture.
[tex]a_1=4\\\\a_2=6\\\\a_3=8\\\\a_4=10[/tex]
Answer:
Start from bottom to top. They are asking for the y-intercept of the dot. The order is as follows: 4, 6, 8, 10.
Ryan made a cd of his favorite songs. There are 42 minutes of time on Cd. He records 14 songs. What is the average length of each song?