Answer:
x > 6
{7, 8, 9, 10...}
Step-by-step explanation:
[tex]3<3x-15\\\\3x-15>3\\\\3x-15+15>3+15\\\\3x>18\\\\\frac{3x>18}{3}\\\\\boxed{x>6}[/tex]
Any number will be a solution if it's value is greater than 6.
Hope this helps.
You use a line of best fit set of data to make a prediction about an unknown value. The correlation coefficient for your data set is 0.793. How confident can you be that your predicted value will be reasonable close to the actual value?
Answer:
Moderately confident
Step-by-step explanation:
Given that :
Correlation Coefficient = 0.793
The correlation Coefficient gives the strength of relationship between linear variables ranging from - 1 to 1.with values close to either - 1 or 1 depicting strong negative or positive correlation respectively, while values close to 0 signifies a weak correlation. Since the correlation Coefficient Given by the model is close to 1(0.793) one can be moderately confident that the value obtained from the model will be reasonably close to the actual value.
Ayden is Buyingbagel for a family Gathering. Each bagel cost $2.00 Answer the question Regarding the relationship between the total cost and the number of bagels purchased. The independent variable represents the Total cost Number of bagels purchased $2 F(x)=2x
Answer:
$4
Step-by-step explanation:
Step one:
given data
Each bagel cost $2.00
Also, the cost function is given as
[tex]F(x)=2x[/tex]
Step two:
Required
The total cost of bagels purchased
From the cost function, we can see already that Ayden Bought 2 Bagel, hence if one bagel cost $2 then
[tex]F(x)=2(2)\\\\F(x)=4[/tex]
The two bagels will cost $4
can anyone show me the problem in 35874 divided by 200?
Answer:
179.37
Step-by-step explanation:
35874 ÷ 200 = 179.37
A 100 g ball and a 50 g ball are dropped from a tower. both balls are the same size and there is no air resistance. which answer best describes how they fall? responses both balls hit the ground at the same time. both balls hit the ground at the same time. the 100 g ball hits the ground first. the 100 g ball hits the ground first. the 50 g ball hits the ground first.
When the 100 g ball and a 50 g ball are dropped from a tower. both balls are the same size and there is no air resistance, B. both balls hit the ground at the same time.
How to illustrate the information?When an object moves through the air, air resistance acts as a force. When a body is moving through the air, this force works in the opposite direction. A frictional force is applied to the moving body by air resistance. Air resistance causes a body's speed to slow down as it moves.
Because air resistance slows down the motion of the falling object, it impacts acceleration during a fall to a lesser extent than gravity (g). The object's surface area and speed both influence how much it slows down.
Therefore, when the 100 g ball and a 50 g ball are dropped from a tower. both balls are the same size and there is no air resistance, both balls hit the ground at the same time.
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Answer: Both balls hit the ground at the same time.
Step-by-step explanation: I took the test
What is an equation in standard form of the line that has x-intercept 1 and y-intercept 4?
A. x-4y=4
B. 4x-y=4
C. 4x+y=4
D. x-4y=-4
The equation of the straight line that has x-intercept 1 and y-intercept 4 is:
4x - y = 4
What is a straight line?"A straight line is an endless one-dimensional figure that has no width. It is a combination of endless points joined on both sides of a point."
Given, the line has a x-intercept of 1 and y-intercept of 4. T
Therefore, the line passes through the points (1, 0) and (0, 4).
Now, we can find the slope of the line 'm' that passes through those either points.
Therefore, (x₁ - x₂) = m(y₁ - y₂)
⇒ (1 - 0) = m(0 - 4)
⇒ m = [tex]\frac{1}{4}[/tex]
Now, the equation of the line that has x-intercept 1 and y-intercept 4 is:
(x - x₁) = m(y - y₁)
⇒ (x - 1) = [tex]\frac{1}{4}[/tex](y - 0)
⇒ 4(x - 1) = y
⇒ 4x - y = 4
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5. A team of mountain climbers makes camp 1.48 kilometers above sea level. They climb another 2.91
kilometers to the mountain's peak. How tall is the mountain?
Answer:
4.3068
Step-by-step explanation:
so what you do is 1.48 x 2.91
Answer:
= 4.39km
Step-by-step explanation:
Camp distance = 1.48Km
Distance travelled afterwards = 2.91km
Mountain Height = total distance travelled
So total distance = 1.48 + 2.91
= 4.39km -----------> final answer
HELP ME PLZ. 2. Mrs. Wilson's dad is looking for a new fishing pole for an upcoming trip to the Grand
Canyon. He found the model he likes at a local sporting goods store. The price of the pole is
$59.50 with a sales tax of 6%. However, he can purchase the pole on a website for $62.50 with
no sales tax added on the price. What is the difference in the price between the store and the
website? Which is more expensive?
Jan bought 2 novels regularly priced at $24 and $18. Then reduced by 25%. What did she save?
Answer:
yeeeeeeeeeeeet
Step-by-step explanation:
thx for points
The total cost of gas and the price paid per gallon have a proportional relationship. Five gallons of gas cost $13.35.
How many gallons of gas is purchased for $34.71?
Answer:
thank you for the free points
Step-by-step explanation:
Answer:
13 gallons
Step-by-step explanation:
13.35 = 5 gallons of gas
1 gallon = 2.67
y = 2.67x
34.71 = 2.67x
[tex]\frac{34.71}{2.67} = \frac{2.67x}{2.67}[/tex]
x = 13
Someone please help me out! I’m too lost pls thank you so much :( pls don’t ignore
Answer:
its abcd
this is the answer because its asking you for the pattern
hope i helped, TRUST ME ITS RIGHT
Which number below is a prime number? O A. 61 OB. 102 O C. 75 O D. 64
Answer:
Step-by-step explanation:
61 is divisible by itself and 1. It's prime.
102 ends in a 2. Therefore it is not prime because it can be divided by 2,
75 = 3*5*5 not prime.
64 = 2 * 2 * 2 *2 * 2*2 Not prime.
Given g(x)=f(x)+k, what value of k transforms function f into g?
Answer:
fg (gx)= xf (kg)
gf (fx) = f
Given f(x) = 5x + 1 divided by 2, solve for f^-1(8).
O a
3
O b
7
О c
10
O d
20
Answer:
3Step-by-step explanation:
Given the function f(x) = (5x+1)/2
We are to find the inverse first as shown;
let y = f(x)
y = (5x+1)/2
Replace y with x
x = (5y+1)/2
Make y the subject of the formula;
2x = 5y+1
5y = 2x-1
y = (2x-1)/5
f^-1(x) = (2x-1)/5
f^-1(8) = 2(8)-1/5
f^-1(8) = 16-1/5
f^-1(8) = 15/5
f^-1(8) = 3
Hence the answer is 3
4321.58
Lucy wrote another number in which the value of the digit 5 is 10 times larger than it is in Ethan’s number. Which number could be Lucy’s number?
4982.58 (a)
4945.82 (b)
4974.65 (c)
4958.03 (d)
Answer:
a
Step-by-step explanation:bbbbbbb
The sales function for a Super Mario Kart Video Game, d(x), after x years is represented by d(x)=30000\left(0.92)^{x}. To the nearest game, how many more games were sold year 2 than in year 4?
Answer:
SO you want me to figure out from year 2 or year4?
Step-by-step explanation:
A fitness club offers 2 payment plans. For Plan A, they charge $80 plus $10 per month for a membership. For plan B, they charge $20 per month
Answer:
Let x equal number of months
Plan A: 10x+80
Plan B: 20x
Step-by-step explanation:
Hope this helps you :) Have a good day
A mathematics teacher wanted to see the correlation between test scores and
homework. The homework grade (x) and test grade (y) are given in the accompanying
table. Write the linear regression equation that represents this set of data, rounding
all coefficients to the nearest hundredth. Using this equation, find the projected test
grade, to the nearest integer, for a student with a homework grade of 49.
The linear regression equation that represents this set of data is Y = -12.41 + 1.15x and the projected test grade for a student with a homework grade of 49 is 44 and this can be determined by using the generalized equation of regression.
Given :
A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y) are given in the accompanying table.The generalized regression equation is given below:
Y = a + bX --- (1)
where b is given by the formula:
[tex]\rm b = \dfrac{N\sum XY-\sum X \sum Y}{N\sum X^2-(\sum X)^2}[/tex]
Now, substitute the values of the known terms in the above formula in order to determine the value of 'b'.
b = 1.15
and the formula of a is given below:
[tex]\rm a = \dfrac{\sum Y - b \sum X}{N}[/tex]
Now, substitute the values of the known terms in the above formula in order to determine the value of 'a'.
a = -12.41
Now, substitute the values of a and b in the equation (1).
Y = -12.41 + 1.15x
Now, at x = 49 the value of Y becomes:
Y = -12.41 + 1.15(49)
Y = 43.94
Y [tex]\approx[/tex] 44
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5 cupcakes cost $8.75. At this rate, how much would 3 cupcakes cost
Answer:
$5.25
Step-by-step explanation:
8.75/5=1.75
1.75 x 3=5.25
Answer:
$5.25
Step-by-step explanation:
8.75 devided by 5 is 1.75 so for 1 cupcake it is $1.75. $1.75 X 3= $5.25
Find the sum of the first 8 terms of the following sequence. Round to the nearest
hundredth if necessary.
32,
-16,
8, ...
Answer:
63.75
Step-by-step explanation:
this is a geometric progression with a common ratio of -1/2
the formula for the sum of first n numbers is
Sn = (a1(1-r^n)) / 1 - r
so S8 = (32*(1 - 1/2^8)) / (1 - 1/2)
32*(255/256) / 0.5
Sn= 255 / 4 = 63.75
Explain why f(x) = x^2-x-6/x^2-9 is continuous at x = 2.
a. f is defined at x = 3
b. f is not defined at x = 2
c. f is defined at x = -3
d. f is defined at x = 2
The correct answer is option D. ([tex]f[/tex] is defined at [tex]x = 2[/tex])
The rational Function is continuous at a given value if its Denominator is not zero. In this exercise, we proceed to Factor the expression by check the value Denominator for each value of [tex]x[/tex].
[tex]f(x) = \frac{x^{2}-x-6}{x^{2}-9}[/tex]
[tex]f(x) = \frac{(x-3)\cdot (x+2)}{(x+3)\cdot (x-3)}[/tex]
As we can see, [tex]f[/tex] is not defined for [tex]x = -3[/tex] and [tex]x = 3[/tex]. Hence, we conclude that right answer is D.
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Marvin drew a scale drawing of a house. He used the scale 7 centimeters = 1 meter. What is the drawing's scale factor?
what is the solution for a^3+3a^2b-4b-11b+7
The expression a³ + 3 a² b - 4 a b - 11 b + 7 will have 5 terms in it.
We are given the expression:
a³ + 3 a² b - 4 a b - 11 b + 7
We need to find the number of terms this expression has.
We can see that, this expression has 5 terms.
The first term will be a³.
The second one will be 3 a² b.
The third one will be 4 a b.
The fourth one will be 11 b.
And the fifth one will be 7.
Therefore, we get that, the expression a³ + 3 a² b - 4 a b - 11 b + 7 will have 5 terms in it.
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Your question was incomplete, Please refer the content below:
How many terms are in the expression a³ + 3 a² b - 4 a b - 11 b + 7?
14x+2(x+3)-7 please do the write down the problem and and solve it please I need help
Answer: it’s all in the picture
Step-by-step explanation: hope this helps
Find the value of f(3) for the function.
f(a) = 7(a + 1) - 5
F(3)=?
Answer:
F(3)=23
Step-by-step explanation:
F(3)= 7(3+1)-5
F(3)=7(4)-5
F(3)=28-5
F(3)= 23
you always want to do the problem in the parenthesis first. and you replace a with 3
At one time the aircraft is 200 m above the surface the submarine is 55 m below the surface and the underwater robotic vehicle is 127 m below the surface what is the distance between the submarine and the aircraft
Answer:
The aircraft and the submarine are 255 m apart
Step-by-step explanation:
Here, we want to calculate the distance between the submarine and the aircraft
From the question;
The aircraft is 200 m above the surface and the submarine is 55 m below ( this is same as an altitude of -55)
So the distance between the two will be;
200-(-55) = 255 m
Answer:
255m
Step-by-step explanation:
9x(10-10x) simplify
i put 90x-90x^2 but it's wrong so i kinda need help
Answer:
Step-by-step explanation:
I hope this helps:)
What is 7 1/2 x 3 1/3=?
Answer:
21 1/6
Step-by-step explanation:
1. Multiply the whole numbers first.
7 x 3 = 21.
2. Multiply the two fractions.
When multiplying fractions, you multiply the two numerators and then the denominators.
1 x 1 = 1
2 x 3 = 6
3. Your answer is 21 1/6
Find the missing number:
12,25,18,14,X,8 Mean=15
what are common factor of 18x+24x+46
Answer:
2
Step-by-step explanation:
18, 24, and 46 can be divided by 2
[ZA WARUDO] stops time and throws 200 knives at Jotaro Kujo. Then he adds one more and summons a ROAD ROLLER DA And smashes jotaro with it and it explodes. This subtracts 32 knives. How many knives did [ZA WARUDO] throw?
Answer:
169 knives
Step-by-step explanation:
What we know:
ZW threw 200 knives at Jotaro, then adds one more. This makes 201 knives, initially.
However, the RRD subtracts 32 from 201, making it 169 knives that ZW threw.
201 - 30 - 2 = 171 - 2 = 169 knives
Answer:
169 knives
Step-by-step explanation:
dio stopped time.