1) Note that this is a right triangle, and we can tell an isosceles one by the marks on the triangle.
2) So, we can use the Pythagorean Theorem, to find the side lengths since all we know for now is the hypotenuse:
[tex]\begin{gathered} a^2=b^2+c^2 \\ (3\sqrt[]{2})^2=x^2+x^2 \\ 2x^2=9\cdot2 \\ 2x^2=18 \\ \frac{2x^2}{2}=\frac{18}{2} \\ x^2=9 \\ x=\sqrt{9},\: -\sqrt{9} \\ x=-3,3 \end{gathered}[/tex]We can discard the negative value for there is no negative length. So, the answer is 3
4.An object of mass 480 kg is in free fall in a vacuum where there is no air resistance. Determine the acceleration of the object.
The only force is free fall. Mass is not relevant and there is no air resistance
A die was rolled 60 times. It landed on one—11 times, two—9 times, four—12 times, five—12 times, and six—8 times. How many times was three rolled in these 60 times?
If a die is rolled 60 times, then it will land on number three 8 times.
When a die was rolled 60 times.
The die landed on one 11 times, two on 9 times, on four 12 times, on five 12 times, and on six 8 times.
Now, we know a die has six sides with numbers 1,2,3,4,5, and 6 marked on it.
Let x be the number of times the die landed on 3.
The total number of times the die rolled = the sum of the number of times each number landed when rolled.
number times 1 landed + number times 2 landed + number times 3 landed + number times 4 landed + number times 5 landed + number times 6 landed = 60
11 + 9 + x + 12 + 12 + 8 = 60
52 + x = 60
Subtracting 52 from each side of the equation,
52 + x - 52 = 60 - 52
x = 8
Hence, the number of times that three rolled is 8.
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You are mixing up a recipe that requires 7:3:2:1 flour, water, sugar, butter. When you are done, you should have 39 cups of batter. How many cups of each ingredient do you need?¶ Please show your work. Hint: this is really a total proportion problem and you will want to set up 3 to 4 proportions to find the result. 1 Flour = Water = Sugar = Butter= cups. cups. cups. cups.
The proportion of flour, water, sugar and butter required in the batter are 21, 9, 6 and 3 cups respectively
What is RatioIn mathematics, a ratio shows how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six. Similarly, the ratio of lemons to oranges is 6:8 and the ratio of oranges to the total amount of fruit is 8:14.
In this given question, we can find the value of each ingredient;
The cups of flour required is
[tex]7:3:2:1 = 7 + 3 + 2 + 1 = 13\\\frac{7}{13} * 39 = 21 cups[/tex]
The cups of water required is
[tex]\frac{3}{13}*39 = 9 cups[/tex]
The cups of sugar required is
[tex]\frac{2}{13}* 39 = 6 cups\\[/tex]
The cups of butter required is
[tex]\frac{1}{13}*39 = 3 cups[/tex]
The number of cups of flour, water, sugar and butter required are 21, 9, 6 and 3 cups respectively.
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There are 1,150 souvenir paperweights that need to be packed in boxes. Each box will hold 12paperweights. How many boxes will be needed?boxes will be needed to hold all the souvenir paperweights.
Given data:
Total number of paperweights that needs to be packed in boxes = 1,150
Each box will hold paperweights = 12
Boxes will be needed to hold all the paperweights ,
Boxes = Total number of paperweights / Each box will hold paperweight
= 1,150 / 12
= 95.833
= 96
Thus, the boxes needed to hold all the souvenir paperweights is 96.
- If triangle TIE is reflected over the y-axis, what are thenew points, (T', '', and E'), in the image? T(-5,-1) 1(-5,-3)E(-1,-1).
Answer
T' = (5, -1)
I' = (5, -3)
E' = (1, -1)
Explanation
Given the below triangle
T = ( -5, -1)
I = (-5, -3)
E = (-1, -1)
When reflected over y -axis, the x - cordinate is negated while the y - coordinate remains unchanged
Mathematically,
(x , y ) ------------------------ (-x , y)
T = ( -5, 1)
T' = [-(-5) , -1)]
T' = (5, -1)
I = (-5, -3)
I' = [-(-5) , -3)
I' = (5, -3)
E = (-1, -1)
E' = [-(-1), -1)]
E' = (1, -1)
Therefore, the reflected triangle over y - axis has the following points
T' = (5, -1)
I' = (5, -3)
E' = (1, -1)
perform the indicated operation 2 1/6+7 3/6
The solution to the indicated operation will be 9 and 2/3.
We have to find the sum of 2 and 1/6 and 7 and 3/6.
We can write the mixed fractions as:-
2 and 1/6 = 13/6
7 and 3/6 = 45/6
Adding the improper fractions, we get,
(13+45)/6 = 58/6 = 29/3
We can this improper fraction write it as :-
9 and 2/3
Mixed fraction
It is a form of a fraction which is defined as the ones having a fraction and a whole number.
2 and (1/7), where 2 is a whole number and 1/7 is a fraction.
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Calculate the five-number summary of the given data. Use the approximation method.
6, 5, 3, 3, 25, 22, 3, 23, 7, 3, 20, 19, 23, 18, 5
The five number summary is:
Minimum = 3
First quartile(Q1) =3
Median =7
Third quartile(Q3) = 22
Maximum = 25
What is five number summary?A five-number summary is especially useful in descriptive analyses or when investigating a large data set for the first time. A summary is made up of five values: the data set's most extreme values (the maximum and minimum values), the lower and upper quartiles, and the median.Given data, 6, 5, 3, 3, 25, 22, 3, 23, 7, 3, 20, 19, 23, 18, 5.
we have to arrange in ascending order ,
3, 3, 3, 3, 5, 5,6, 7, 18, 19, 20, 22, 23, 23, 25
Minimum value = 3
Maximum value = 25
since , number of data = 15
So , Median = middle term = 7
Median of first half = First quartile
here first half = { 3, 3, 3, 3, 5, 5, 6}
median of first half terms = 3 (middle term)
Q1 = 3
Third quartile = Median of second half terms
( 18, 19, 20, 22, 23, 23, 25)
median of second half terms = 22
Q3 = 22
Hence, the five-number summary for the given data set :
min = 3, Q1 =3, median =7 , Q3 = 22, max = 25 .
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robin invests $55 at 10% compounded annually for 3 years. How much will her investment be worth in 3 years?
the investment after 3 years will be worth $73.21
Explanation:Amount invested = Principal
P = $55
n = number of time scompounded = annually
n = 1
rate = r = 10% = 0.1
FV = future value after 3 years
Using compound interest formula:
[tex]FV\text{ = P(1 +}\frac{r}{n})^{nt}[/tex]substituting the values in the formula:
[tex]\begin{gathered} FV\text{ = }55(1\text{ + }\frac{0.1}{1})^{1\times3} \\ FV\text{ = }55(1\text{ + }0.1)^3 \\ FV\text{ = }55(1.1)^3 \\ FV\text{ = 55(}1.331) \\ FV\text{ = 73.205 approx i}mately\text{ to nearest cents is }73.21 \end{gathered}[/tex]Hence, the investment after 3 years will be worth $73.21
8. Maya and Angelo go to Marge's Donut Shop every Friday on the way to school. The shop sells donuts, muffins and coffee. A cup of
coffee costs $0.75 more than a donut. Maya buys 12 donuts and 2 cups of coffee which costs $19.
a. How much does 1 cup of coffee cost?
b. Angelo buys 6 donuts and 2 muffins which costs $12.50 total. How much does 1 muffin cost?
a) The cost of 1 cup coffee will be $2
b) The cost of 1 muffin will be $1.67
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 cost of a cup of coffee is $0.75 more than a donut.
Maya buys 12 donuts and 2 cups of coffee which costs $19.
Now,
Let the cost of coffee = x
And, The cost of donut = y
The cost of muffins = z
Since, The cost of a cup of coffee is $0.75 more than a donut.
So, we can formulate;
⇒ x = y + 0.75 .... (i)
And, Maya buys 12 donuts and 2 cups of coffee which costs $19.
So, We can formulate;
⇒ 12y + 2x = $19
Substitute the value of first equation in above equation we get;
⇒ 12y + 2x = $19
⇒ 12y + 2 (y + 0.75 ) = $19
⇒ 12y + 2y + 1.5 = $19
⇒ 14y + 1.5 = $19
⇒ 14y = $19 - 1.5
⇒ 14y = 17.5
⇒ y = 17.5 / 14
⇒ y = 1.25
Hence,
⇒ x = y + 0.75
⇒ x = 1.25 + 0.75
⇒ x = 2
Thus, The cost of 1 cup of coffee = $2
Since, Angelo buys 6 donuts and 2 muffins which costs $12.50 total.
So, we can formulate;
6z + 2y = $12.50
Substitute y = 1.25 in above equation, we get;
6z + 2 × 1.25 = $12.50
6z + 2.50 = 12.50
6z = 12.50 - 2.50
6z = 10.00
z = 10.00 / 6
z = 1.67
Thus, The cost of 1 muffin will be $1.67.
Therefore,
a) The cost of 1 cup coffee will be $2
b) The cost of 1 muffin will be $1.67
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the product of two consecutive integers is 90 find the two integers then check your answer?
Let n be the integer. Then, we can write the following equation
[tex]n(n+1)=90[/tex]which is equal to
[tex]n^2+n-90=0[/tex]We can solve this quadratic function by applying the quadratic formula:
[tex]n=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}[/tex]where in our case a=1, b=1 and c= -90. By substituting these values into the last formula, we get
[tex]n=\frac{-1\pm\sqrt[]{1^2-4(1)(-90)}}{2(1)}[/tex]then, we have
[tex]\begin{gathered} n=\frac{-1\pm\sqrt[]{1+360}}{2} \\ n=\frac{-1\pm\sqrt[]{361}}{2} \\ n=\frac{-1\pm19}{2} \end{gathered}[/tex]Then, the first solution is
[tex]\begin{gathered} n=\frac{-1+19}{2} \\ n=\frac{18}{2} \\ n=9 \end{gathered}[/tex]and the second solution is
[tex]\begin{gathered} n=\frac{-1-19}{2} \\ n=-\frac{20}{2} \\ n=-10 \end{gathered}[/tex]Then, we have the following solutions:
- Negative integer: n= - 10
- Positive integer: n=9
Valerie picked a card from a standard deck at random, recorded the suit, then put the card back in the deck and shuffled. If Valerie repeated this 60 times, how many times should she expect to pick a heart?
Probability is calculated as follows:
[tex]p=\frac{\text{ }number\text{ of favorable outcomes}}{\text{ total number of possible outcomes}}[/tex]In a standard deck of cards, there are 13 hearts and a total of 52 cards. Then, the probability of picking a heart is:
[tex]p=\frac{13}{52}=\frac{1}{4}[/tex]To find how many times she should expect to pick a heart, we have to multiply the number of times the event is repeated (60) by the probability of picking a heart, that is,
[tex]\frac{1}{4}\cdot60=15[/tex]She should expect to pick a heart 15 times
Bisectors in Triangles
Find the value of x, then find FD and FB.
Angle BCD is 90. C
A "Bisector" in Geometry is a line that divides a line into two different or equal parts. It is used on line segments and angles.
The Value of X = angle BCF =90-45 =45.
What is meant by bisector?A "Bisector" in Geometry is a line that divides a line into two different or equal parts. It is used on line segments and angles.The perpendicular bisector theorem deals with congruent triangle segments, allowing for congruent diagonals from the vertices to the circumcenter. The angle bisector theorem, on the other hand, deals with congruent angles, resulting in equal distances from the incenter to the side of the triangle.A triangle angle bisector is a line segment that bisects one of the triangle's vertex angles and ends on the opposite side. A triangle's three angle bisectors meet at a single point known as the incenter.Angle BCD = 90
angle FCD = 45
The Value of X = angle BCF =90-45 =45.
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Factor the common factor out of each expression.1) 5a+10 2) 16k+12
1) Examining the expressions, let's factorize them taking the LCM out of the parentheses
5a +10 The LCM 5,10 is 5
5(a +2)
16k +12 The LCM 16, 12 is 4
4(4k +3)
2) So the answers are 5(a +2) and 4(4k +3) notice that if we distribute those factors you'll get the initial form.
Can someone help me, please and thanks!
Answer:
wait do you need all the answers to it
Pitts bought pots for5 dollars each and joe bought buckets for 7dollars each if they spent140 dollars for 192 items how many of each type did they bought
Explanations;
Let the number of pots be "x"
Let the number of buckets be "y"
Since we have 192 items, hence;
x + y = 192 ............................... 1
If Pitts bought pots for 5 dollars each and joe bought buckets for 7dollars each and spent 140 dollars, this can be expressed as:
5x + 7y = 140 ............................ 2
Solve the equations simultaneously to get the value of x and y:
x + y = 192 ............................... 1 * 7
5x + 7y = 140 ............................ 2 * 1
_________________________________________________
7x + 7y = 1344
5x + 7y = 140
Subtract
7x - 5x = 1344 - 140
2x = 1204
x = 1204/2
x = 602
This shows that 602 pots were bought.
Substitute x = 602 into the equation 1 to get y:
602 + y = 192
y = 192 - 602
y = -410
Since the y value cannot be negative, we can say that 602 pots were bought but the solution to the system of equation is (602, -410)
The following data show the lengths of boats moored in a marina. The data are ordered from smallest to largest:16 ; 17 ; 19 ; 20 ; 20 ; 21 ; 23 ; 24 ; 25 ; 25 ; 25 ; 26 ; 26 ; 26 ; 27 ; 27 ; 28 ; 29 ; 29 ; 32 ; 33 ; 33 ; 34 ; 35 ; 37 ; 39 ; 43
Given:
Data is given as below
16 ; 17 ; 19 ; 20 ; 20 ; 21 ; 23 ; 24 ; 25 ; 25 ; 25 ; 26 ; 26 ; 26 ; 27 ; 27 ; 28 ; 29 ; 29 ; 32 ; 33 ; 33 ; 34 ; 35 ; 37 ; 39 ; 43
Find:
we have to find Mean, Median and Mode of the given data.
Explanation:
(a) Mean is 27.37
(b) Median is 26
(c) Mode is 25 ; 26
Find the x-intercept and y-intercept of the graph of 2x+6y=6 . Then graph.x-intercept = (,0)y-intercept = (0,)12345-1-2-3-4-512345-1-2-3-4-5Clear All Draw: LineParabolaAbsolute valueCircleDotQuestion HelpQuestion 2: Video1
SOLUTION:
Step 1:
In this question, we are meant to find the x-intercept and y-intercept of the graph of :
[tex]\text{2x + 6y = 6}[/tex]First, we are meant to graph it
Second, we are meant to find:
a) x-intercept
b) y - intercept
Step 2:
The graph of :
[tex]\text{2 x + 6y = 6}[/tex]is as follows:
Step 3:
Given the equation:
[tex]\begin{gathered} 2x\text{ + 6y = 6} \\ For\text{ the x-intercept, we have that:} \\ \text{when y = 0, we have that:} \\ 2x\text{ + 6 (0 ) = 6} \\ 2\text{ x+ 0 = 6} \\ 2x\text{ = 6} \\ \text{Divide both sides by 2 , we have that:} \\ \text{x = }\frac{6}{2} \\ \text{x = 3} \\ \text{Then , the x - intercept = ( 3, 0 )} \end{gathered}[/tex]Next, given the equation:
[tex]\begin{gathered} 2x\text{ + 6 y = 6} \\ For\text{ the y - intercept, we have that:} \\ \text{when x = 0 , we have that:} \\ 2\text{ ( 0 ) + 6 y = 6} \\ 0\text{ + 6y = 6} \\ 6y\text{ = 6} \\ \text{Divide both sides by 6, we have that:} \\ y\text{ = }\frac{6}{6} \\ y\text{ = 1} \\ \text{Then , the y -intercept = ( 0 , 1 )} \end{gathered}[/tex]If u(x) = −2x² +3 and v(x)=1/x, what is the range of (uv)(x)?
Given:
[tex]\begin{gathered} u(x)=-2x^2+3 \\ v(x)=\frac{1}{x} \end{gathered}[/tex]Required:
To find the range of the function (uv)(x).
Explanation:
We know that
[tex]\begin{gathered} (uv)(x)=u(v(x)) \\ \\ =u(\frac{1}{x}) \\ \\ =-2(\frac{1}{x^2})+3 \\ \\ =-\frac{2}{x^2}+3 \end{gathered}[/tex]The horizontal asymptote of this function is at y=3.
So, the range of this function is from
[tex](-\infty,3)[/tex]Final Answer:
The range of (uv)(x) is
[tex](-\infty,3)[/tex]Use Sine to find the value of C. B #1-2 39° C a w A А 6 in. C Show your work for full credit.
You use a garden hose to fill a wading pool. If the water level rises 11 centimeters every 6 minutes and you record the data point of (18,y), what is the value of y?
Given:-
water level rises 11 centimeters every 6 minutes.
To find:-
The y value at the point (18,y).
Considor the time as x axis and the water level as y axis. so we get an graph as,
Now to find the value at the point (18,y). we extend the graph,
So the value of y is 33.
This is our required answer.
It is estimated that approximately 8.23% Americans are afflicted with diabetes. Suppose that a certain diagnostic evaluation for diabetes will correctly diagnose 98% of all adults over with diabetes as having the disease and incorrectly diagnoses 3.5% of all adults over without diabetes as having the disease.
a) Find the probability that a randomly selected adult over does not have diabetes, and is diagnosed as having diabetes (such diagnoses are called "false positives").
b) Find the probability that a randomly selected adult of is diagnosed as not having diabetes.
c) Find the probability that a randomly selected adult over actually has diabetes, given that he/she is diagnosed as not having diabetes
The probabilities in this problem are given as follows:
a) False positive: 0.0321 = 3.21%.
b) Diagnosed as not having diabetes: 0.8872 = 88.72%.
c) Actually has diabetes, if diagnosed as not having: 0.0019 = 0.19%.
What is Conditional Probability?Conditional probability is the probability of one event happening, considering a previous event. The formula is given as follows:
[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]
In which the parameters are described as follows:
P(B|A) is the probability of event B happening, given that event A happened.[tex]P(A \cap B)[/tex] is the probability of both events A and B happening.P(A) is the probability of event A happening.For item a, we have that:
100 - 8.23 = 91.77% of the people do not have diabetes.Of those, 3.5% are diagnosed with diabetes.Hence the probability of a false positive is given as follows:
p = 0.9177 x 0.035 = 0.0321 = 3.21%.
For item b, the percentage of people who is not diagnosed as having diabetes is divided as:
96.5% of 91.77% (do not have diabetes).2% of 8.23% (have diabetes).Hence the probability is:
P(A) = 0.965 x 0.9177 + 0.02 x 0.0823 = 0.8872 = 88.72%.
For item c, we find the conditional probability, as follows:
[tex]P(A \cap B) = 0.02 \times 0.0823 = 0.001646[/tex]
Then:
P(B|A) = 0.001646/0.8872 = 0.0019 = 0.19%.
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now construct line m such that it contains of line segment AE
Answer:
A line segment AE is part of a line that goes from A to E, so we can make a line m such that it contains line segment AE as follows
Line segment AE is the red part of the line that goes from A to E.
Samuel Morse determined that the percentage of t's being used in the English language in the 1800's was 12%. A random sample of 600 letters from a current newspaper contained 95 t's. Test the claim that the proportion of t's has changed in modern times, using the current newspaper data and a significance level of 0.05. Determine the z score and find the p value ?
H0 : p0 = 0.12
H1 : p0 ≠ 0.12
Sample size, n = 600 ; α = 0.05
Zstatistic < Zcritical ; reject H0
P = 95/600 = 0.16
Zstatistic = (p - p0) ÷ sqrt((p0(1 - p0)) /n)
Zstatistic = (0.16 - 0-12)/ sqrt((0.12(0.88))/600)
Zstatistic = 3.01
Zcritical at 0.05, = - 1.96
Zstatistic > Zcritical
What’s the correct answer answer asap for brainlist
Answer:
C
Step-by-step explanation:
Answer:
are made of cells
Step-by-step explanation:
What is the slope-intercept form of the equation of the line that passes through (2, -3) and (4, 3)?
A. y = - 3x + 6
B. y= 3x - 12
C. y= 1/3x - 9
D. y= 3x - 9
The equation of line is D. y = 3x - 9
In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction. The m is a common symbol for slope.
The equation of a straight line is given by y=mx+c where m is the slope, c is the intercept, and x and y are variables.
Formula to be used :
[tex]m=\frac{y_{1}-y_{2} }{x_{1} -x_{2} }[/tex] where( y1,x1) and (y2 ,x2) are the coordinates of the points passing through the line.
Calculating Slope, [tex]m=\frac{3-(-3)}{4-2} =\frac{6}{2} =3[/tex]
Now, writing the equation of line is
[tex]y -y_{1} =m(x-x_{1} )\\y -3 =3(x-4)\\y-3 =3x - 12\\y =3x -12+3\\y =3x -9[/tex]
Thus, the slope-intercept form of the equation is y =3x -9.
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The polynomial function f(x) has degree 4, a y-intercept of 20, roots of −5 and 4, and a multiplicity 2 root of −1.
Enter f(x)
The equation of the polynomial is P(x) = -(x - 1)²(x + 5)(x - 4)
How to determine the polynomial equation?The given parameters are
Degree of polynomial = 4y-intercept = 20Roots = -5 and 4Root 1, multiplicity 2The equation of the polynomial can be calculated as
P(x) = a * (x - zero)^ multiplicity
So, we have
P(x) = a * (x - 1)² * (x + 5) * (x - 4)
This gives
P(x) = a * (x - 1)²(x + 5)(x - 4)
From the question, we have
y-intercept = 20
This means that
P(0) = 20
So, we have
20 = a * (0 - 1)²(0 + 5)(0 - 4)
Evaluate products
20 = a * -20
Divide
a = -1
Substitute a = -1 in P(x) = a * (x - 1)²(x + 5)(x - 4)
P(x) = -(x - 1)²(x + 5)(x - 4)
Hence, the equation is P(x) = -(x - 1)²(x + 5)(x - 4)
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Your new job requires you to calculate the material costs for manufactured goods. One of goods you manufacture is a fabric sample in the shape of a circle. Given the formula A = r², find the area (A) of the fabric sample whose radius (r) is 8.4 x 100 ft. Round your answer to the nearest thousandth. (Use 3.14 for π)
Solution.
Given that the fabric sample is in a shape of a circle
[tex]Area\text{ of a circle =}\pi r^2[/tex][tex]Given\text{ that r=8.4 x 10}^0\text{ ft}[/tex][tex]\begin{gathered} Area\text{ of the circle = }\pi\text{ x \lparen8.4 x 10}^0\text{\rparen}^2 \\ Area=\text{ 3.14 x 8.4 x 8.4} \\ Area\text{ = 221.5584ft}^2 \\ Area\text{ of the fabric=221.558ft}^2(nearest\text{ thousandth\rparen} \end{gathered}[/tex]The answer is 221.558 ft^2
help me pleaseee!!!
thank you
The equation of line passing through the point (-2 , 11) and (1, -4) will be;
⇒ y = - 5x + 1
What is Equation of line?
The equation of line in slope - intercept form is defined as;
⇒ y = mx + b
Where, m is slope
And, b is y - intercept.
Given that;
Two points on the line are (-2 , 11) and (1, -4).
Now, Equation of line is calculated as;
Slope of the line (m) = (- 4 - 11) / (1 - (-2))
= - 15/ 3
= - 5
The equation of line is;
⇒ y - y₁ = m (x - x₁)
Substitute all the values we get;
⇒ y - 11 = - 5 (x - (-2))
⇒ y - 11 = - 5 (x + 2)
⇒ y - 11 = -5x - 10
⇒ y = - 5x - 10 + 11
⇒ y = - 5x + 1
Thus, The equation of line passing through the point (-2 , 11) and (1, -4) will be;
⇒ y = - 5x + 1
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14b. State the domain of the function below. Use interval notationf(x) = 3Vx + 1 - 5
Given:
[tex]f(x)\text{ = 3 }\sqrt{x+1}\text{ - 5}[/tex]To state the domain of this using interval notation, means to find the values which x may assume for the function above.
We have:
Since there is a root, let's exclude any real number that leads to a negative number.
Here, let's solve for x by setting the radicand to be greater than or equal to zero.
x + 1 ≥ 0
x ≥ 0 -1
x ≥ -1
Therefore, the domain function using notation function will be:
(-1, ∞)
ANSWER:
(-1, ∞)
Write an integer for this situation.12°C above zero
12°C above zero -----> means
0°C+12°C=12°C
answer is
the integer is +12