Answer:
q = 4
Step-by-step explanation:
given p and q vary inversely then the equation relating them is
p = [tex]\frac{k}{q}[/tex] ← k is the constant of variation
to find k use the condition p = 29 when q = 16 , then
29 = [tex]\frac{k}{16}[/tex] ( multiply both sides by 16 )
464 = k
p = [tex]\frac{464}{q}[/tex] ← equation of variation
when p = 116 , then
116 = [tex]\frac{464}{q}[/tex] ( multiply both sides by q )
116q = 464 ( divide both sides by 116 )
q = 4
Taryn had 7/8 of a pound of sugar. She used some
of the sugar to make muffins. She has 3/8 of a
pound of sugar left. How much sugar did she use to
make muffins?
Answer: 1/2
Step-by-step explanation:
7/8 - 3/8 = 4/8
4/8 = 1/2
Answer:
she used 4/8 of the sugar
Step-by-step explanation:
Solve the linear inequality. Other than ∅, graph the solution set on a number line.
Find the solution set in interval notation.
12x-8≤6x-15
The solution for the linear inequality, in interval notation, is [tex]\:(-\infty \:,\:-\frac{7}{6}][/tex].
InequalityIt is an expression mathematical that represents a non-equal relationship between a number or another algebraic expression. Therefore, it is common the use of follow symbols: ≤ (less than or equal to), ≥ (greater than or equal to), < (less than) and > (greater than).
The solutions for inequalities can be given by: graph in a number line or numbers.
For solving this exercise, it is necessary to find a number solution for the given inequality.
12x-8≤6x-15
12x-6x≤ -15+8
6x≤-7
x≤ -7/6
Read more about inequalities here.
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Find the length of the line below.
A. 2 in.
B. 2 3/16 in.
C. 2 5/16 in.
D. 3 in.
Answer:
A)
Step-by-step explanation:
Starting point is at o and ending point at 2.
So, 2 in
Write the ratio 4/5 over 7/5 in its simplest form! Need Answer ASAP
Answer:
[tex]\frac{4}7[/tex]
Step-by-step explanation:
Just as a reminder, to find the ratio of 2 numbers, you divide the first by the second, and to divide 2 fractions, you multiply the dividend by the reciprocal of the divisor.
In this case, that would be:
[tex]\frac{\frac{4}{5}}{\frac{7}{5}}[/tex]
[tex]= \frac{4}{5} \cdot\frac{5}{7}[/tex]
=[tex]\frac{4}7[/tex]
I hope this helped you.
Jack wants to buy carpet to cover his whole living room, except for the tiled floor. The tiled floor is 5
3
4
Mixed number
ft by 3
1
2
ft. Find the area the carpet needs to cover.
The area of the floor the carpet needs to cover is 20 1/8 cm².
What is the area the carpet needs to cover?The floor has the shape of a rectangle. A rectangle is a 2-dimensional quadrilateral with four right angles.
Area of a rectangle = length x width
5 3/4 x 3 1/2
23/4 x 7/2 = 161/8 = 20 1/8 cm²
To learn more about how to calculate the area of a rectangle, please check: https://brainly.com/question/16595449
plss help me plss #2
Answer:
8
Step-by-step explanation:
2 ÷ 1/4 = 8
You can draw 2 squares and make them into quarters for your diagram. Hope this helped!
Answer: There are 8 1/4 inches in 2 inches.
Step-by-step explanation:
1/4 x 4 = 1, so 1/4 x 8 = 2
Diagram can be made to look as splitting 2 inches into 8 parts.
Find the value g(-2), where g is defined below.
g(x) = 2x^2- 4x – 4
Answer:
12
Step-by-step explanation:
For this question, simply plug in -2 for x:
[tex]g(-2)=2(-2)^2-4(-2)-4\\g(-2)=2(4)+8-4\\g(-2)=8+8-4\\g(-2)=12[/tex]
Hope this helps!!
Which graph represents a proportional relationship?
Answe point me
Step-by-step explanation:
Answer:A
Step-by-step explanation:
Based on the measures shown, could the figure be a parallelogram?
A Yes, one pair of opposite sides could measure
10 in., and the other pair could measure 13 in.
B Yes, one pair of opposite sides could measure
10 in., and the other pair could measure 8 in.
C No, there are three different values for x when each expression is set equal to 10.
D No, the value of x that makes one pair of sides congruent does not make the other pair of sides congruent.
–5.4(–0.7 + u) =
What is the answer?
Answer:
u = 7\/10
Step-by-step explanation:
(a-b+c)-(c+b)
I literally tried so many times i dont get it
Answer:
a - 2b
Step-by-step explanation:
❖ Step 1: Distributive negative sign.
[tex](a-b+c)+(-1)(c)+(-1)(b)[/tex] [tex]a-b+c-c-b[/tex]❖ Step 2: Combine like terms.
[tex](a)+(-b-b)+(c-c)[/tex] [tex]a-2b[/tex]Therefore, the answer is a - 2b.
Have a lovely rest of your day/night, and good luck with your assignments! ♡
Answer:
a-2b
Step-by-step explanation:
(a-b+c)-(c+b)
Distribute the minus sign to the terms in the second parenthesis
a-b+c-c-b
Combine like terms
a-b+c-c-b
a-b-b+c-c
Cancel like terms
a-2b
Find the value of:
a) 8
9
×
−3
4
Step-by-step explanation:
89 multiplied by negative 34 gives a negative answer, since positive multiplied by negative is negative hence,
(89) × (-34) = -3026
What is the value of x in the figure?
Enter your answer in the box.
x=
A little square marked on angle means that the angle is 90 degrees.
By the vertical angle theorem, angles opposite each other are equal thus the angle opposite the angle with the little square is also 90 degrees.
That angle is split into two angles that is off measure 22 degrees and x degrees
-- x + 22 = 90 --> x = 68.
Hope that helps!
Answer:
68
Step-by-step explanation:
[tex] \hookrightarrow \: x + 22 = 90(complementary \: angles) \\ [/tex]
[tex] \hookrightarrow \: x + 22 = 90 \\ \hookrightarrow \: x = 90 - 22 \\ \hookrightarrow \: x = 68[/tex]
20 students in total. 10
play sports and 12 play music. 2 of them
don't play anything and some are play
both. What's the percentage for students
play both?
Answer:
20%
the above was solved using set
Please help asap! I will gave brainlest!
Angle MNP ~ Angle HJK.
Both triangles are isosceles. if m
Answer:
Angles H, J, M, N
Step-by-step explanation:
Since m<p is 90 degrees it must be the largest angle so both triangles have angle 45-45-90. m<P is equal to m<K. This means that angle h, j, m, and n are equal.
angles M, N, and J.
try drawing diagrams to help you figure out the problem :)
Find the area of the kitchen
Find the area (hint: find the value of x first)
Answer:
C. 128 in²
Step-by-step explanation:
We know that the opposite sides of rectangles are congruent, so 8 = 2x. If we divide 8 by 2 and 2x by 2, we get x = 4.
This means that the other side length, (3x + 4), equals 3(4) + 4 = 12 + 4 = 16 inchesNow, the area of a rectangle is l × w, where l = length and w = width. The dimensions of this rectangle are 8 and 16, so 8 × 16 = 128 in².
Damon plotted a point on the grid. He says that the first number of the ordered pair is negative and the second number of the ordered pair is positive. Based upon this information, which of the points below could be Damon's?
A. H
B. J
C. K
D. L
Answer:
A) H you have to run before you can climb is what my teacher told me when looking at a graph so when reading the problem you have to run left for negative then climb for positive leaving the answer being a) h
The amount of television viewed byâ today's youth is of primary concern to Parents Against Watching Televisionâ (PAWT). 300 parents of elementaryâ school-aged children were asked to estimate the number of hours per week that their child watches television. The mean and the standard deviation for their responses were 12 and 3â, respectively. PAWT constructed aâ stem-and-leaf display for the data that showed that the distribution of times was aâ symmetric, mound-shaped distribution. Give an interval where you believe approximatelyâ 95% of the television viewing times fell in the distribution.
a. less than 9 and more than 15 hours per week
b. between 3 and 21 hours per week
c. between 6 and 18 hours per week
d. less than 18
Answer:
Option C. between 6 and 18 hours per week
Step-by-step explanation:
We are given that distribution of times is symmetric and mound shaped and this implies that data is normally distributed.
We also know that in the normal distribution the 95% of data lies within 2 standard deviations i.e. mean± 2*standard deviation.
So, 95% of the television viewing times falls in interval
mean± 2*standard deviation
12±2*3
12±6
[6,18]
Thus, [6,18] is an interval where you believe approximately 95% of the television viewing times fell in the distribution.
Which set of coordinate pairs do NOT represent a linear function?
(-4, -12), (-3,-10), (-2, -8), (-1,-6)
O (-4, -17), (-3, -10), (-2,5), (-1,2)
O (1, -7), (2, -10), (3, -13), (4, -16)
O (1, 1), (2, 4), (3, 7), (4, 10)
Answer:
(-4, -17), (-3, -10), (-2,5), (-1,2)
Step-by-step explanation:
All the coordinates are represent linear function.
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
The coordinates are,
⇒ (-4, -12), (-3,-10), (-2, -8), (-1,-6)
⇒ (-4, -17), (-3, -10), (-2,5), (-1,2)
⇒ (1, -7), (2, -10), (3, -13), (4, -16)
⇒ (1, 1), (2, 4), (3, 7), (4, 10)
Now,
We know that;
A relation between a set of inputs having exactly one output each is called a linear function.
Clearly, All the coordinate have exactly one output for every input.
Learn more about the mathematical expression visit:
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How many solutions does the equation: 4x+2=12x+6 have?
what's the área of this triangle?
Answer:
192 SQUARE FEET
Step-by-step explanation:
Area of a triangle= 1/2 ×base×height
1/2 of the base =32/2 ft
=16 ft
Let the height be A ft and another side(16 ft) be B ft
We know that, A^2 + B^2 =Hypotenuse^2
OR, A^2 + 16^2 = 20^2
OR, A^2= 400-256
OR, A^2 =144
OR, A= Square root of 144
OR, A=12 ft
By the problem,
1/2 ×Base×Height =Area of half of the triangle
1/2 ×16×12= Area of half of the triangle
96=Area of half of the triangle
AREA OF THE TRIANGLE=96 ×2
AREA OF THE TRIANGLE=192 SQUARE FEET.
HOPE IT HELPS
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What is the probability of getting a 7 of spades in a deck of 52 cards?
Answer:
I'm sure it's 1/52
Step-by-step explanation:
because if there is 52 cards and one 7 of spades then it would be a 1 out of 52 chance
*Suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 12 feet, then hits the floor and rebounds to 9.6 feet.
Write an explicit formula for the sequence.
Also, How high will the ball rebound after its fourth bounce?
Answer:
The explicit formula is [tex]a_n=15(\frac{4}{5})^{n-1}[/tex].
Step-by-step explanation:
First, we need to find the common ratio. We know this is a geometric sequence because the decrease from one term to the next is not a constant number.
To find the constant ratio, we can take the [tex]2^{nd}[/tex] term and divide by the [tex]1^{st}[/tex] term:
[tex]\frac{2nd}{1st}=\frac{12}{15}=\frac{4}{5}[/tex]
So, our common ratio is [tex]r=\frac{4}{5}[/tex].
We already know our initial term, [tex]a_0[/tex] is 15, so we get:
[tex]a_n=a_0(r)^{n-1}\\a_n=15(\frac{4}{5})^{n-1}[/tex]
Determine whether f(x) = –52 – 10x + 6 has a maximum or a minimum value. Find that value and explain how you know.
Answer:
minimum
Step-by-step explanation:
Because of the negative infront of 52. The graph opens downward which makes it minimum. Hope this helps
Four years ago Ravi was 8 years older than Priya. If he is now 3times as old as she is, find their present ages?
Answer:
24
Step-by-step explanation:
Hope this helps and please mark me brainliest :D
consider the graph
6
4
2
What is the midline? urte as an equation)
What is the period of the function?
What is the amplitude of the function?
What is the equation of the function? f(x)=
Help please
Answer:
[tex]\displaystyle \boxed{y = -3} \\ \boxed{\pi} \\ \boxed{N/A} \\ f(x) = \boxed{-2cot\:(x + \frac{\pi}{2}) - 3}[/tex]
Step-by-step explanation:
[tex]\displaystyle f(x) = Acot(Bx - C) + D \\ \\ \\ Vertical\:Shift \hookrightarrow D \\ Horisontal\:[Phase]\:Shift \hookrightarrow \frac{C}{B} \\ Wavelength\:[Period] \hookrightarrow \frac{\pi}{B} \\ Amplitude \hookrightarrow |A| \\ \\ \\ Vertical\:Shift \hookrightarrow -3 \\ Horisontal\:[Phase]\:Shift \hookrightarrow \frac{C}{B} \hookrightarrow \boxed{-\frac{\pi}{2}} \hookrightarrow \frac{-\frac{\pi}{2}}{1} \\ Wavelength\:[Period] \hookrightarrow \frac{\pi}{2} \\ Amplitude \hookrightarrow N/A[/tex]
OR
[tex]\displaystyle f(x) = \boxed{2tan\:x - 3} \\ \\ f(x) = Atan(Bx - C) + D \\ \\ \\ Vertical\:Shift \hookrightarrow D \\ Horisontal\:[Phase]\:Shift \hookrightarrow \frac{C}{B} \\ Wavelength\:[Period] \hookrightarrow \frac{\pi}{B} \\ Amplitude \hookrightarrow |A| \\ \\ \\ Vertical\:Shift \hookrightarrow -3 \\ Horisontal\:[Phase]\:Shift \hookrightarrow 0 \\ Wavelength\:[Period] \hookrightarrow \frac{\pi}{2} \\ Amplitude \hookrightarrow N/A[/tex]
Here is all the information you will need. Now, what you need to know is that ALL tangent, secant, cosecant, and cotangent functions have NO amplitudes. Also, keep in mind that although this IS a tangent graph, if you plan on writing your equation as a function of cotangent, then there WILL be a horisontal shift, meaning that a C-term will be involved. As you can see, the photograph on the right displays the trigonometric graph of [tex]\displaystyle f(x) = 2cot\:x - 3,[/tex]in which you need to replase "tangent" with "cotangent", then figure the appropriate C-term out that will make the graph horisontally shift and map onto the tangent graph [photograph on the left], accourding to the horisontal shift formula above. Also keep in mind that the −C gives you the OPPOCITE TERMS OF WHAT THEY REALLY ARE, so you must be careful with your calculations. So, between the two graphs, we can tell that the cotangent graph [photograph on the right] is shifted [tex]\displaystyle \frac{\pi}{2}\:unit[/tex]to the right, which means that in order to match the tangent graph [photograph on the left], we need to shift the graph BACKWARD [tex]\displaystyle \frac{\pi}{2}\:unit,[/tex]which means the C-term will be negative, and by perfourming your calculations, you will arrive at [tex]\displaystyle \boxed{-\frac{\pi}{2}} = \frac{-\frac{\pi}{2}}{1},[/tex]but we are NOT YET DONE. Although we shifted the graph back into position, remember, cotangent is graphed in REVERCE, so we need to insert a negative in front of the amplitude term, and with that, the cotangent graph of the tangent graph, accourding to the horisontal shift, is [tex]\displaystyle f(x) = -2cot\:(x + \frac{\pi}{2}) - 3.[/tex]Now, with all that being said, we can move forward. To find the period in this case, you need to take a look at the distanse between each vertical asymptote. Now, accourding to this graph, the vertical asymptotes are at [tex]\displaystyle -\frac{\pi}{2} = x\:and\:\frac{\pi}{2} = x.[/tex]From here, you will then find the distanse between these asymptotes by simply perfourming the operation of Deduction, and doing that will give you [tex]\displaystyle \boxed{\pi} = \frac{\pi}{2} + \frac{\pi}{2}.[/tex]So, the period of this function is [tex]\displaystyle \pi.[/tex]Now, you will instantly get the jist of the horisontal shift by looking at the above formula. Just keep in mind that the −C gives you the OPPOCITE TERMS OF WHAT THEY REALLY ARE, so you must pay cloce attention to what is given to you inside those parentheses. Finally, the midline is the centre of your graph, also known as the vertical shift, which in this case is at [tex]\displaystyle y = -3.[/tex]
Well, that just about wraps it up. Now that everything has been explained, you should understand it better. If you still have questions, do not hesitate to comment any you have.
I am delighted to assist you at any time.
soIve for x. Show your work or no credit 1) -8x + 10x - 5 = 35
Answer:
x=20
Step-by-step explanation:
Concert tickets cost $70 each. A college student ordered some tickets online. There
was a service fee of $3.50 per ticket. The student has $367.50. How many tickets
did can he order?
Answer:
The college student can get 5 concert tickets
Step-by-step explanation:
$367.50÷(70+$3.50)