Answer:
p= 25/100 = 180/x
Step-by-step explanation:
In order to find the computer's original price, you must use the equation p= 25/100 = 180/x and solve for x.
Answer:
0.75p=p-180
Step-by-step explanation:
0.75p=p-180 is your answer
The city school district is considering increasing class size in the elementary schools. However, some members of the school board are concerned that larger classes may have a negative effect on student learning. In words, what would the null hypothesis say about the effect of class size on student learning?
Answer:
The null hypothesis would say that class size has no effect on students learning.
Step-by-step explanation:
Null hypothesis is a type of hypothesis that is used in statistics which proposes that there is no difference between a certain characteristic of a population or the data - generating process.
Now, in this question,the school district is considering increasing class size in the elementary schools but we want to check whether larger classes may have a negative effect on students learning.
Thus, the null hypothesis would reject this claim of larger classes having negative effect on students and say that class size has no effect on students learning.
Plz explain q22 in detail, and if you could the fastest way to do it.
Answer:
Hello,
Step-by-step explanation:
30°=π/6 (rad)
[tex]L=\theta*R=\dfrac{\pi}{6} *120\\\\=20*\pi\\\\\approx{20*3=60\ (cm)}[/tex]
Which of the following is an example of the difference of two squares?
A x2−9
B x3−9
C (x+9)2
D (x−9)2
I know the answer is either A or B i might be wrong tho pls help im not sure.
Answer:
1) What does it mean when a polynomial equation is in standard form?
All terms are on one side of the equation, and zero is on the other side.
2) When factoring 6x2−7x−20 by grouping, how should the middle term be rewritten?
It should be written as 8x−15x.
3) Is the given equation a quadratic equation? Explain.
x(x−6)=−5
The equation is a quadratic equation because there is an x2-term.
4) Which of the following factored forms given below represent the correct factorization of the trinomial x2+10x+16?
(2+x)(8+x)
5) Which of the following is an example of the difference of two squares?
x2−9
Step-by-step explanation:
I hope this helps you out ☺
A binomial whose first term and second term can be squared, and has a subtraction sign between both squared terms represents the difference of two squares, an example of the difference of two squares is:
A. [tex]x^2 - 9[/tex]
Recall:
Difference of two squares is when you have a binomial that is expressed as [tex]x^2 - y^2[/tex].The first and second term of the binomial will have an exponential of 2 wile the subtraction sign will be in the middle.Thus, from the options given, option A: [tex]x^2 - 9[/tex] is an example of a binomial that is the difference of two squares.
This is why:9 can be expressed as [tex]3^2[/tex].
In summary, a binomial whose first term and second term can be squared, and has a subtraction sign between both squared terms represents the difference of two squares, an example of the difference of two squares is:
A. [tex]x^2 - 9[/tex]
Learn more here:
https://brainly.com/question/16139579
Solve this pair of simultaneous equations.
5x + 2y = 20
x + 4y = 13
X=
y=
Answer:
y= 2.5
x= 3
Step-by-step explanation:
multiply eqn 2 by 5
5x +20y =65
eqn 2 -1
20-2)y=65-20
18y=45
y=2.5
x+4×2.5 =13
x+10=13
x=3
here is a pattern made from sticks
Answer:
Where I can't see the pattern made from sticks?
A point on an ellipse is 11 unites from one focus and 7 units from another. What is the length of the major axis? Show your work
Answer:
77
Step-by-step explanation:
Answer:
18
Step-by-step explanation:
x + y = major axis
11 + 7 = 18
What is the possibility that a red or green marble will be selected from a bag containing 9 red marbles, 6 blue marbles , 7 green marbles and 11 yellow marbles
Answer:
16/33
Step-by-step explanation:
We have a bag of :
9 red marbles
6 blue marbles
7 green marbles
11 yellow marbles
Total number of marbles = 33 marbles.
The possibility that a red or green marble will be selected from a bag
P( Red or Green) = P(Red) + P(Green)
In the question we are not told if it is with replacement or without. We do both
With replacement
P( R or G) = P(Red) + P(Green)
P(Red)= 9/33
P(Green) = 7/33
= 9/33 + 7/33
= 16/33
Therefore, the possibility that a red or green marble will be selected from a bag is 16/33
Question Number 19 of 40 - Algebra II Boyle's Law states that, for a fixed amount of gas, the volume of the gas at a constant temperature is inversely proportional to the pressure. If a certain gas occupies 9.84 liters at a pressure of 50 centimeters of mercury (cm Hg), what is the approximate pressure when the volume is increased to 12 liters
Answer:
41 cm Hg
Step-by-step explanation:
PLEASE HELP! Find the coordinates of the vertices of the figure after the given transformation: T<2,3>
A. N′(−1,0),U′(1,5),L′(3,2),H′(1,−2)
B. N′(1,0),U′(3,5),L′(5,2),H′(3,−2)
C. N′(0,−2),U′(2,3),L′(4,0),H′(2,−4
D. N′(1,−1),U′(3,4),L′(5,1),H′(3,−3)
Answer:
The correct option is;
B. N'(1, 0), U'(3, 5), L'(5, 2), H'(3, -2)
Step-by-step explanation:
The coordinates of the pre-image are given as follows;
H(1, -5), N(-1, -3), U(1, 2), and L(3, -1)
The required transformation is T₍₂, ₃₎,which is a translation of (two) 2 units right and an additional translation of (three) 3 units up, which gives the coordinates of the image as follows;
N(-1, -3) transformed by N(-1 + 2, -3 + 3) [tex]\overset{T_{(2,\, 3)}}{\rightarrow}[/tex] N'(1, 0)
U(1, 2) transformed by U(1 + 2, 2 + 3) [tex]\overset{T_{(2,\, 3)}}{\rightarrow}[/tex] U'(3, 5)
L(3, -1) transformed by L(3 + 2, -1 + 3) [tex]\overset{T_{(2,\, 3)}}{\rightarrow}[/tex] L'(5, 2)
H(1, -5) transformed by H(1 + 2, -5 + 3) [tex]\overset{T_{(2,\, 3)}}{\rightarrow}[/tex] H'(3, -2)
The coordinates of the vertices of the given figure after the given transformation, T₍₂, ₃₎, are N'(1, 0), U'(3, 5), L'(5, 2), and H'(3, -2).
Therefore, the correct option is N'(1, 0), U'(3, 5), L'(5, 2), H'(3, -2).
how do i solve 8/12 = 6/x
Answer:
x = 9
Step-by-step explanation:
8/12 = 6/x
We can use cross products
8*x = 12*6
8x = 72
Divide by 8
8x/8 = 72/8
x = 9
how many are 1 raised to 2 ???
Answer:
1
Step-by-step explanation:
1^2
Means 1 multiplied by itself 2 times
1*1
1
On a number line if point A lies -3 and point B lies on 4, what is the length of AB
Answer:
7
Step-by-step explanation:
4-(-3)=
4+3=
7
Answer:
7
Step-by-step explanation: take the absolute value of both numbers and add them together so -3 becomes 3 and 4 stays the same they add up to 7.
PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST!!
A oil company has a large tank that holds the oil before it is distributed. If it costs $3.20 per cubic meter for oil, how much money would it cost to fill the entire tank?
A. $65,280
B. $67,200
C. $68,000
D. 5,440
Answer:
Option A, $65,280Step-by-step explanation:The volume of the tank is,12×20×15+40×(50-15)×12= 3600+16800=20400 cubic metersFor each cubic meter, ... More
The perimeter of a rectangle is 62 cm. The diagonal and width of the rectangle are 25 cm and x cm respectively.
Form a quadratic equation in terms of x based on the situation.
Step 1:
62cm - (25*2)=12cm
62-25=37cm
Length for both sides 25
Width=37cm=x
at old oak farm, there are chicken and horses. there are 120 legs and 48 heads altogether. how many horses and how many chickens are there?
Answer:
24 horses and 12 chicken
Answer
24chickens and 14 horses
Step-by-step explanation:
The marketing department at Quality Home Improvement Center (QHIC) uses simple linear regression analysis to predict home upkeep expenditure on the basis of home value. Predictions of home upkeep expenditures are used to help determine which homes should be sent advertising brochures promoting QHIC's products and services.
Full question :
The Tasty Sub Shop Case:
A business entrepreneur uses simple linear regression analysis to predict the yearly revenue for a potential restaurant site on the basis of the number of residents living near the site. The entrepreneur then uses the prediction to assess the profitability of the potential restaurant site.
And
The QHIC Case:
The marketing department at Quality Home Improvement Center (QHIC) uses simple linear regression analysis to predict home upkeep expenditure on the basis of home value. Predictions of home upkeep expenditures are used to help determine which homes should be sent advertising brochures promoting QHIC’s products and services.
Discuss the difference in the type of prediction in both cases and provide rational of the reasons that these predictions were used.
Answer and explanation:
In the first case, The Tasty Sub Shop Case, the entrepreneur aims to utlilize the predicted values from his regression analysis in ascertaining profit of his potential business. He does this using the values from number of residents in the area(independent variables) to predict the revenue for his business(dependent variables). His predictions using the number of residents in the area are largely because the residents in the area are his target consumers and are the ones to buy food from his restaurant and increase his revenue.
In the other case, the marketing department in QHIC utilizes the predicted values in determining their customers who need to be aware of their products. They get the predicted values(home upkeep expenditure and dependent variable) by plotting their relationship with home value(independent variable) and then use predicted values of home upkeep expenditures in determining their customers who they will market their products to. They do this because predicting home upkeep expenditures will enable them determine what homes can afford or will need their products and services.
one utilizes his predictions at ascertaining profit while the other uses his predictions in determining potential customer base to market products to. The first case is making a revenue/ profitability prediction while the other is making a market prediction
At an elite baseball camp, 60% of players can bat both right-handed and left-handed. If 25% of the players who bat left-handed do not bat right-handed, what is the probability that a player selected at random does not bat left-handed?
Answer:
The probability that a player selected at random does not bat left-handed is 20%.
Step-by-step explanation:
Assume that there are a total of 100 baseball players at an elite baseball camp.
The information provided is:
60% of players can bat both right-handed and left-handed. 25% of the players who bat left-handed do not bat right-handed.That is, the number of players can bat both right-handed and left-handed is,
n (L and R) = 60.
Now, if 25% of the players who bat left-handed do not bat right-handed, then 75% of all left-handed players can also bat right-handed.
⇒ n (L and R) = n (L) × 75%
60 = n (L) × 0.75
n (L) = 60/0.75
n (L) = 80
So there are 80 left handed batters.
Compute the number of only left handed batters as follows:
n (Only L) = n (L) × 25%
= 80 × 0.25
= 20
So there are 20 only left handed batters.
Compute the number of only right handed batters as follows:
Total = n (Only L) + n (Only R) + n (L and R)
100 = 20 + n (Only R) + 60
n (Only R) = 20
Thus, the probability that a player selected at random does not bat left-handed is 20%.
Solve for x.
x = [?]
5x – 16
X + 10
Answer:
If it is expression than answer 6x-6
If it is an equation 5x-16=x+10 than answer is 13/2
Step-by-step explanation:
If you like my answer than please mark me brainliest thanks
[tex]\\ \sf \longmapsto 5x-16=x+10[/tex]
[tex]\\ \sf \longmapsto 5x-x=10+16[/tex]
[tex]\\ \sf \longmapsto 4x=26[/tex]
[tex]\\ \sf \longmapsto x=\dfrac{26}{4}[/tex]
[tex]\\ \sf \longmapsto x=\dfrac{13}{2}[/tex]
Please help!!!.......thx
Step-by-step explanation:
sin and tan are the only ones with p positive valued
Do I just set it equal to 180? or am i wrong
Answer:
AB=18 units.
Step-by-step explanation:
So, one of the angle measures is 6x. Since the shape is an equilateral triangle, this means that all the angles measure 6x. In other words, the total measure of the three angles is 6x+6x+6x=3(6x) or 18x. Recall that a triangle has a total interior angle sum of 180. Therefore, set 18x to 180 and solve for x:
[tex]18x=180\\[/tex]
Divide both sides by 18:
[tex]x=10[/tex]
Therefore, x is equal to 10.
Now, since this is an equilaterial triangle, all three side lengths are the same. Thus, AB=BC=AC. We know that BC is equal to x+8. Find BC:
[tex]BC=x+8\\BC=(10)+8\\BC=18[/tex]
And since all the side lengths are equivalent, this means that side AB is also 18 units.
Answer:
See below.
Step-by-step explanation:
The 3 angles in the triangle add up to 180 degrees
Also, as all 3 sides are equal, all 3 angles are also equal and each has the value 180/3 = 60 degrees.
So 6x = 60
x = 10.
Now AB = BC = x + 8
Therefore AB = x + 8
= 10 + 8
= 18.
PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION!!
Find the distance between (0,3) and (0,-6).
A. 9
B. -9
C. -3
D. 0
Help me figure this out, I don’t understand
Answer:
0,3
1,1
-1,1
-2.55, -10
2.55, -10
Step-by-step explanation:
It's asking for you to graph it and figure out points from the equation.
What you can do is subsitute values for X and solve for Y or use a graphing calculator. I used desmos, an online calculator and looked for coordinates. Also the +3 is the y intercept, which means y is 3 when x is 0.
Divide : 12a²b³ 6a²b by 3ab
Answer:
easy
Step-by-step explanation:
4ab³6a²b
Answer:
[tex] \frac{12 {a}^{2} {b}^{3} 6 {a}^{2}b }{3ab} \\ thank \: you[/tex]
one day shahed was playing with numbers.He wrote 15 fractions using all natural numbers from 1 to 30 exactly once-either as numerator or as denominator.How many of these fractions are most is integers.
Answer:
15
Step-by-step explanation:
half of 30 is 15
he used all the numbers upto 30 once
all the numbers in between arent integers but decimals
The bottom of the swimming pool seem to be raised 3m above with water of refractive index 4/3. The depth of water is:
A. 12m
B. 29m
C. 4m
D. 6m
(will mark the brainliest with explanation)
If the product of two matrices is AB=1/-3/5 over 2/5/7, what are the dimensions of Matrix B if A is a 2x3 matrix?
Answer:
Matrix multiplication is associative: ( A B ) C = A ( B C ) \displaystyle \left(AB\right)C=A\left(BC\right) (AB)C=A(BC).
Matrix multiplication is distributive: C(A+B)=CA+CB,(A+B)C=AC+BC. C ( A + B ) = C A + C B , ( A + B ) C = A C +
given m||n find the value of x
Answer:
x = 127
Step-by-step explanation:
The angles are alternate exterior angles and alternate exterior angles are equal when the lines are parallel
x = 127
Umm can I pls have some help i keep getting the answer wrong and they literally had the same answer i had
Total boxes = 9
Total scarves in each box = s
ATQ
9s+(-9) = 36
9s -9 = 36
9s = 36+9
9s = 45
s = 45/9
s = 5
Value of s is 5
Must click thanks and mark brainliest
Answer:
s = 5
Step-by-step explanation:
9* number of scarves in each box after removing 1 scarf = 36
9 *(s -1) = 36
9s - 9 = 36 {Distributive property}
9s = 36+ 9 {add 9 to both sides}
9s = 45
s= 45/9 {Divide both sides by 9}
s = 5
Pls help ———————————-
Please help me with this problem....5 stars 1 thanks and depending on how you answer brainiest.
Answer:
[tex]\huge\boxed{Probability = \frac{1}{3} }[/tex]
Step-by-step explanation:
Total Magazines = 3
Woman's Day = 1
Probability = No. of Favorable Outcomes / Total no. of Outcomes
Probability = [tex]\frac{1}{3}[/tex]
Answer: [tex]\frac{1}{3}[/tex]
Step-by-step explanation:
There are three choices for Mrs. Stanton. One of the three choices is the Women's Day magazine. Thus, 1 out of 3, or 1/3 of the choices are Women's Day.
Hope it helps <3