Answer:
y = -2x + 9
Step-by-step explanation:
→ Find the change in x
13 --9 = 22
→ Find the change in y
-2 - 9 = -11
→ Divide to find gradient
22 ÷ -11 = -2
→ Write in standard form
y = -2x + c
→ Substitute in ( 9 , -9 )
-9 = -18 + c
→ Find c
c = 9
→ Write in specified form
y = -2x + 9
Find the perimeter of the triangle. Perimeter is the distance around the outside. *
Answer:
s=
\( \frac{1}{2} \)
Answer:
To find the perimeter of an equilateral triangle, the formula is Side X 3
If it's a Scalene or an Isosceles triangle , add all sides.
Hope it helps ;)
Please mark as brainliest!
Christina is buying candy for her and her friends at the deli. She buys 6 bags of sour patch kids for $1.19each. How much does Christina spend on candy?
$7.14 I hope this helps.
Answer:
She spends $7.14
Step-by-step explanation:
You would multiply in this question and you would multiply $1.19*6 and that will give you your product of $7.14.
four times the difference of a number and 1 is 18
Answer:
17+1=18 i think that is what you mean
Step-by-step explanation:
You have a container with 1 and 1/4 cups of flour and use 1/2 cup. How much flour is remaining?
Answer:
3/4 cups
Step-by-step explanation:
First convert 1 1/4 to an improper fraction which would give you 5/4. Next, you have to manipulate 5/4 and 1/2 so they have the same denominator, so you are able to subtract. So 1/2 = 2/4. Next subtract the two to get the remaining amount of flour. 5/4 - 2/4 = 3/4 cups.
Penelope is driving to college. She looks at a map to find out how far she has to drive. On the map, Penelope measures the distance to be 7.5 inches. If the map scale is 1.5 in. = 40 mi, how many miles does Penelope need to drive?
Please Help!!
Answer: 200 miles
Step-by-step explanation:
For Mean = 73.19, Mode = 79.56 and Variance = 16, the Karl Pearson's Coefficient of Skewness will be -0.0256 -1.64 0.0256 0
Answer:
To calculate Karl Pearson's coefficient of skewness, we need to use the formula:
Skewness = 3 * (Mean - Mode) / Standard Deviation
Given the Mean = 73.19, Mode = 79.56, and Variance = 16, we need to find the Standard Deviation first.
Standard Deviation = √Variance = √16 = 4
Now we can substitute the values into the formula:
Skewness = 3 * (73.19 - 79.56) / 4
Skewness = -6.37 / 4
Skewness = -1.5925
Rounded to four decimal places, the Karl Pearson's coefficient of skewness for the given values is approximately -1.5925.
Upon studying low bids for shipping contracts, a microcomputer manufacturing company finds that intrastate contracts have low bids that are uniformly distributed between 23 and 29, in units of thousands of dollars. (a) Find the probability that the low bid on the next intrastate shipping contract is below $25,000. (Round your answer to four decimal places.) (b) Find the probability that the low bid on the next intrastate shipping contract is in excess of $28,000. (Round your answer to four decimal places.)
Answer:
a) 0.3333 = 33.33% probability that the low bid on the next intrastate shipping contract is below $25,000.
b) 0.1667 = 16.67% probability that the low bid on the next intrastate shipping contract is in excess of $28,000.
Step-by-step explanation:
A distribution is called uniform if each outcome has the same probability of happening.
The uniform distribution has two bounds, a and b.
The probability of finding a value lower than x is given by:
\(P(X < x) = \frac{x - a}{b - a}\)
The probability of finding a value higher than x is given by:
\(P(X > x) = \frac{b - x}{b - a}\)
Uniformly distributed between 23 and 29
This means that \(a = 23, b = 29\)
(a) Find the probability that the low bid on the next intrastate shipping contract is below $25,000.
\(P(X < 25) = \frac{25 - 23}{29 - 23} = 0.3333\)
0.3333 = 33.33% probability that the low bid on the next intrastate shipping contract is below $25,000.
(b) Find the probability that the low bid on the next intrastate shipping contract is in excess of $28,000.
\(P(X > 28) = \frac{29 - 28}{29 - 23} = 0.1667\)
0.1667 = 16.67% probability that the low bid on the next intrastate shipping contract is in excess of $28,000.
Help please due today.
Answer:
I think its 2nd one
HOPE IT HELPS, BE SAFE! Brainiest if possible pls! :)
complete the following table with mathematical statements that correspond to the proofs used to solve 4(x-3)/3=20
Answer:
x=8
Step-by-step explanation:
you first have to multiply 3times3 and 3 times 4 to get the fraction off
then you bring down 4(x-3)=20
then you multiply 4 times x which you will get 4x then 4 times3 which equals 12 sso you will write it like this 4x-12=20
the you take -12 and add it to 20 and you will get 32
the you just divide 32 and 4 and it will give you the answer
to check it if its right you do 4(8-3)=20
calculate the volume of a cylindrical steel bar which is 8 cm long and 3.5 cm in diameter
Answer:
76.97 cm!!
Step-by-step explanation:
The equation for this would be V=π(d/2)^2h. So, V= π (pi) (3.5/2)^2 8, so just solve that and you get the answer above!!
f the base is 4, what is the value if the exponent is 2? What if the exponent is -2?
Answer:
Step-by-step explanation:
value of 4, and you want to square it or exponent 2
so 4^2 = 4x4
=16
What is ^-2
It does the same operation however because to is negative it really means putting 4 in the denominator so 2 becomes positive. Inverse of the exponent 2
1/4^2 is the same as 4^-2
which will both give 1/16
Write these fractions in their simplest forms:
a)
15
20
8
b)
12
Answer:
a) 3/4
b)4/6 = 2/3
hope this helps u
pls mark me as brainiest :)
A fair coin is flipped 15 times. What is the probability that you will have 5 tails?
Answer:
9.18%
Step-by-step explanation:
The probability of getting a tail on a fair coin flip is 0.5, and the probability of getting a head is also 0.5. Since each coin flip is independent, we can use the binomial probability formula to calculate the probability of getting exactly 5 tails in 15 flips:
P(X = 5) = (15 choose 5) * (0.5)^5 * (0.5)^(15-5)
where (15 choose 5) is the number of ways to choose 5 tails out of 15 flips, which can be calculated as:
(15 choose 5) = 15! / (5! * 10!) = 3003
Substituting the values, we get:
P(X = 5) = 3003 * (0.5)^15 ≈ 0.0918
Therefore, the probability of getting exactly 5 tails in 15 coin flips is approximately 0.0918 or 9.18%.
If g(x)= square root of x and h(x)=x^3-1,
what is g(h(4))?
a. square root of 11
b. square root of 63
c. 5
d. 7
Find the ratio of the area inside the square but outside the circle to the area of the square in the picture
Answer:
0.2146
Step-by-step explanation:
From the picture:
The radius of the circle = r. This means that the area of the circle = πr²
Also For the square, the length of the square = 2r, Therefore the area of the square = Length × length = 2r × 2r = 4r²
The area inside the square but outside the circle = Area of square - Area of circle = 4r² - πr² = r²(4 - π) = 0.8584r²
The ratio of the area inside the square but outside the circle to the area of the square = r²(4 - π) / 4r² = (4 - π) / 4 = 1 - π/4 = 0.2146
Solve the problem. Round the point estimate to the nearest thousandth. 32 randomly picked people were asked if they rented or owned their own home, 8 said they rented. Obtain a point estimate of the proportion of home owners.
a. 0.200
b. 0.750
c. 0.781
d. 0.250
e. None of the above
Answer:
B) 0.750
Step-by-step explanation:
Why is because the answer is 3/4 and 3/4 in decimal form is 0.750.
Please answer this question I give brainliest thank you! Number 9
Answer:
B
The mode is 11 and 3
The Median is 10
The mean is 12
Find the missing angle and side measures of Delta*ABC , given that
m angle A = 50 deg , m angle C = 90 deg , and CB = 16
The missing angle is <B= 40 degree and missing side length is AB = 12.25 and AC = 19.068.
To find the missing angle and side measures of ΔABC, we can use the properties of a triangle.
Given:
∠A = 50°
∠C = 90°
CB = 16
We can start by finding the measure of ∠B:
∠A + ∠B + ∠C = 180° (Sum of angles in a triangle)
50° + ∠B + 90° = 180°
∠B + 140° = 180°
∠B = 180° - 140°
∠B = 40°
Now, using Sine law
CB/ sin A = AB / sin C
16 / sin 50 = AB / sin 90
16 / 0.766044 = AB
AB = 12.25
Again 12.25 = AC/ sin B
12.25 = AC / sin 40
AC = 19.068
Learn more about sine law here:
https://brainly.com/question/13098194
#SPJ1
Help help help help help help help help please please please please help help
We are given the following function:
\(y=x^2+2x-8\)This is a quadratic equation since the greater exponent of the independent variable "x" is 2.
Every quadratic equation follows the general form:
\(y=ax^2+bx+c\)To put it in the form:
\(y=(x-h)^2+k\)We will use a technique called "completing the square". This consist in adding and subtracting the following term:
\((\frac{b}{2a})^2\)In the given equation these terms are:
\(\begin{gathered} a=1 \\ b=2 \end{gathered}\)Therefore, the term we need to use is:
\((\frac{2}{2(1)})^2=1\)Therefore, we need to add and subtract 1 to the given function:
\(y=x^2+2x-8+1-1\)Associating terms terms we get:
\(\begin{gathered} y=x^2+2x+1+(-8-1) \\ y=(x^2+2x+1)-9 \end{gathered}\)Now we factor the expression inside the parenthesis using trinomial factoring. We take the square roots of the first and third term, we add them and we square them, like this:
\(y=(x+1)^2-9\)And thus we have put the function in the desired form where:
\(\begin{gathered} h=-1 \\ k=-9 \end{gathered}\)
24 children were asked which is their favourite colour from a choice of red, blue
green or yellow. Their answers are shown below:
Blue
Red
Red
Green
Yellow
Red
Red
Red
Complete the frequency table.
Colour
Red
Blue
Red
Yellow
Red
Blue
Green
| Yellow 1111
Green
Blue
Green
Blue
Tally
Un Un
un
Analysing and Displaying Data
Yellow
Yellow
Blue
Red
Frequency
Red
Red
Blue
Yellow
The frequencies will be Red : 6, Blue: 4, Green: 8, Yellow : 1 (half of 2), Pink: 1 (half of 2).
What is a conditional relative frequency?It is defined as the frequency that can be evaluated by the two-way frequency table. Usually, we can obtain this frequency by dividing the frequency that is not in the total frequency cell to total frequency.
It is given that:
24 children were asked which is their favourite colour from a choice of red, blue
green or yellow
From the data given in the question.
Red : 6
Blue: 4
Green: 8
Yellow : 1 (half of 2)
Pink: 1 (half of 2)
Thus, the frequencies will be Red : 6, Blue: 4, Green: 8, Yellow : 1 (half of 2), Pink: 1 (half of 2).
Learn more about the conditional relative frequency here:
brainly.com/question/8358304
#SPJ1
write an equation that represents the situation.
Angle DPF = 98, what is angle CQD equals
WILL GIVE BRAINLIST
Vanessa has a ribbon that is 372 inches long. She wants to divide in into 4 equal parts. What will
be the length of each part?
Answer: 93 inches.
Step-by-step explanation: Divide 372 inches by 4 inches. Your answer is 93 inches.
find the mean and median of each of the following sets of data. determine the deviation from the mean for each data point within the sets and find the mean deviation for each set. 24.49 24.68 24.77 24.83 24.73
The average distance from the mean is 0.09.
The mean is also known as the average and is calculated by adding up all the values in the set and then dividing the sum by the total number of values.
So, for the given set of data: 24.49, 24.68, 24.77, 24.83, 24.73, the mean would be calculated as follows:
Mean = (24.49 + 24.68 + 24.77 + 24.83 + 24.73) / 5
= 24.70
It tells us what the typical value is within the data set. In this case, the mean value of the data set is 24.70.
Next, let's find the median of the set of data. The median is the middle value of a data set when it is arranged in numerical order. In this case, the data set is already arranged in numerical order, so we can easily find the median.
The median value of the data set is the middle value, which is 24.77.
Now, we will calculate the deviation from the mean for each data point within the set. The deviation from the mean tells us how far each value is from the mean value. This is calculated by subtracting the mean from each value in the set.
Deviation from the mean for each data point:
-0.21, -0.02, 0.07, 0.13, 0.03
As you can see, some values are above the mean, and some are below the mean. The deviation from the mean can be used to determine how spread out the data is from the mean value.
Finally, we will calculate the mean deviation for the set. The mean deviation is the average of the absolute values of the deviation from the mean.
Mean deviation = (|(-0.21)| + |(-0.02)| + |0.07| + |0.13| + |0.03|) / 5
= 0.09
The mean deviation tells us the average distance from the mean value.
To know more about mean here.
https://brainly.com/question/22871228
#SPJ4
please help me will give u extra points :)
•
The compound inequality for the graph shown above include the following:
x < -2.
x > 5.
What is a number line?In Mathematics, a number line can be defined as a type of graph with a graduated straight line which comprises both positive and negative numerical values that are placed at equal intervals along its length.
Generally speaking, a number line primarily increases in numerical value towards the right and decreases in numerical value towards the left.
Since the point is at -2 and the arrow points to the left of the number line, it represents the less than (<) inequality symbol and should be written as x < -2.
Additionally, the second point is at 5 and the arrow points to the right of the number line, it represents the greater than (>) inequality symbol and should be written as x > 5.
Read more on number line here: brainly.com/question/16482555
#SPJ1
Explain two attributes that a rectangle and a square have in common.
Answer:
All angles and opposite angle are equal;opposite sides are parallel.
Step-by-step explanation:
Answer:
they both have 4 sides and they both have paralell sides.
Step-by-step explanation:
How can you find f(2) f(x) = - 3x ^ 2 - 7
Answer:
-19Step-by-step explanation:
Plug in 2 for x.
f(2) = -3(2)² - 7
f(2) = -3(4) - 7
f(2) = -12 - 7
f(2) = -19
Find the length of side a?
Answer:
The answer is Option D (16).
PLEASE HELP WILL GIVE BRAINLIEST
The number of automobiles in a certain town was 1,890 in 2015, and it was 2,420 in 2020. If we were to make a linear model that gives the number of automobiles in this town as a function of the number of years since 2015, what would be the y-intercept?
The y-intercept of the linear model is 211,400, which represents the estimated number of automobiles in the town in the year 2015 (when the independent variable is zero).
To find the y-intercept of the linear model, we need to determine the value of the dependent variable (the number of automobiles) when the independent variable (the number of years since 2015) is equal to zero.
Let's first find the slope of the line, which represents the rate of change of the number of automobiles per year:
slope = (change in number of automobiles) / (change in number of years)
slope = (2420 - 1890) / (2020 - 2015) = 106 automobiles per year
Now we can use the point-slope form of a linear equation to find the y-intercept:
y - y1 = m(x - x1)
where y1 is the value of the dependent variable when the independent variable is x1. In this case, x1 = 2015, y1 = 1890, and m = 106 (the slope we just calculated).
y - 1890 = 106(x - 2015)
To find the y-intercept, we can set x = 0:
y - 1890 = 106(0 - 2015)
y - 1890 = -213,290
y = 211,400
for such more question on linear model
https://brainly.com/question/9753782
#SPJ11
If M is the midpoint of SR, and SR=24, what is the length of SM?