Fill in the blanks below.
Find the slope of the line passing through the points (8,5) and (8,-4).
Step-by-step explanation:
please mark me as brainlest
∠10 and angle _____ are complementary angles.?
a.) ∠9 I
b.)∠11 O
Answer:
9
Step-by-step explanation:
they add up to 90 degrees
Answer: B
Step-by-step explanation:
HAVE A BLESSED DAY!!!!!!
find the sum (12p +9) +(4p-3)
Hey there! :)
Answer:
16p + 6.
Step-by-step explanation:
Add the two binomials together by combining like terms:
12p + 9 + 4p - 3
12p + 4p + 9 - 3
16p + 6.
Answer:
16p+6
Step-by-step explanation:
You combine like terms you do not multiply.
Solve the following system of equations and show all your work y=2x^2 y=3x-1
Answer:
( 1/2 ; 1/2 ) and ( 1 ; 2 )
Step-by-step explanation:
y = 2x².............1
y = 3x-1............2
2x²=3x-1
2x²-3x+1 = 0
(2x-1)(x-1) = 0
x = 1/2 or x = 1
y = 1/2 or y = 2
Suppose annual salaries for sales associates from a particular store have a bell-shaped distribution with a mean of $32,500 and a standard deviation of $2,500. Refer to Exhibit 3-3. The z-score for a sales associate from this store who earns $37,500 is
With a mean of $32,500 and a standard deviation of $2,500. The z-score for a sales associate who earns $37,500 is 2.
The z-score, also known as a standard score, is a measure of how many standard deviations a given value is from the mean. It is used to standardize the data and make it easier to compare and interpret. The formula for the z-score is:
z = (x - μ) / σ
where x is the value of interest, μ is the mean, and σ is the standard deviation.
In this case, the mean annual salary for sales associates from a particular store is $32,500 and the standard deviation is $2,500. We want to find the z-score for a sales associate who earns $37,500. Plugging in the values, we get:
z = ($37,500 - $32,500) / $2,500 = 2
This means that the sales associate's salary is 2 standard deviations above the mean.
Interpreting the z-score can help us understand how unusual or typical a given value is in comparison to the mean. In this case, a z-score of 2 indicates that the sales associate's salary is relatively high compared to the mean, but it is not an extremely high salary.
We can use a standard normal table to find the proportion of the data that falls below a given z-score, or to find the corresponding value for a given proportion of the data.
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Select the correct answer from each drop-down menu.
The total area of the three triangles is
square units.
The area of the figure is
square units.
The total area of the three triangles is square units is 36 and the area of the figure is square units is 60.
What is the triangle?The triangle can be defined as a three-sided polygon in geometry, and it consists of three vertices and three edges. The sum of all the angles inside the triangle is 180°.
From the figure, the area of triangles can be calculated using the:
Area = (1/2)height×base length
Area of three triangle = 1/2(4×6) + 1/2(6×4) + 1/2(4×6)
Area of three triangle = 1/2(24×3) = 36 square units
Area of the figure = area of three triangle + area of the rectangle
= 36 + 6×4
= 60 square units
Thus, the total area of the three triangles is square units is 36 and the area of the figure is square units is 60.
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Please help me out‼️‼️‼️‼️〽️
We can see that the dot plot is seen below.
What is a dot plot?We can see here that An example of a graphical representation of data is a dot plot. It is a number line with dots above each value to indicate the frequency or count of that value.
Depending on the type of data being shown, the dots are often arranged either horizontally or vertically.
Dot plots are known to be useful for showing the distribution of data, particularly for small data sets.
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Name the marked angle in 2 different ways
Answer:
Obtuse angle
Step-by-step explanation:
Answer:
Its an obtuse angle pliz mark brainliest
Which of the following ordered pairs represents the point plotted and labeled A?
The x-axis starts at negative 4, with tick marks every unit up to positive 4. The y-axis starts at negative 4, with tick marks every unit up to positive 4. Point D is two units left of the origin. Point A is one unit left and two units up from the origin. Point C is two units down from the origin. Point F is one unit right and two units up from the origin. Point B is three units right and one unit up from the origin. Point E is three units right and one unit down from the origin.
(−1, 2)
(−2, 0)
(0, −2)
(1, 2)
The ordered pair that represents the point plotted and labeled A include the following: (−1, 2).
What is a translation?In Mathematics and Geometry, the translation of a graph to the left simply means a digit would be subtracted from the numerical value on the x-coordinate of the pre-image:
g(x) = f(x - N)
Conversely, the translation of a graph upward means a digit would be added to the numerical value on the y-coordinate (y-axis) of the pre-image.
g(x) = f(x) + N
Note: "Point A is one unit left and two units up from the origin. "
Since point A is one unit left and two units up from the origin (0, 0), we can logically deduce the following:
(x, y) → (x - 1, y + 2)
Origin (0, 0) → (0 - 1, 0 + 2) = point A (-1, 2).
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Answer:
A: -2 + 3i
B: -1 + -1i
C: 3 + -4i
D: 4 + 1i
Step-by-step explanation:
These are the answers, Basically just normal graphing. run/rise.
I hope this helps! :)))))
Help. Confused. Pic below
Answer:
Step-by-step explanation:
I agree it's convenience and biased.
It's the easiest way to convey a survey so it is convenient.
it is biased because not everyone has accessible to modern technology, or that particular social media app. Not all park users use social media. It is biased because it is targeting a younger demographic, but excludes the youngest demographic as well, that are not allowed ot have social media.
Answer:
I agree it's convenience and biased.
It's the easiest way to convey a survey so it is convenient.
it is biased because not everyone has accessible to modern technology, or that particular social media app. Not all park users use social media. It is biased because it is targeting a younger demographic, but excludes the youngest demographic as well, that are not allowed ot have social media.
Step-by-step explanation:
When ordering the Kids' Lunch at Burger Universe, the customer must choose a size, a type of bun, a side order, and a type of fruit drink. Here are the possibilities for each choice. Choice Possibilities Size: junior, Small, Medium, Large Type of bun Plain bun, Sesame seed bun Side order Fries, Onion rings Fruit drink Orange, Grape, Cherry, Lemonade How many Kids' Lunches are possible?
The number of Kid's Launches that are possible is 128. This is solved using Combination Principle.
What is combination in Math?A combination in mathematics is a selection of elements from a set with distinct members, where the order of selection is irrelevant.
Hence,
The number of possible "Sizes" from the specified 4 sizes are ⁴C₁
The number of sorts of bun that is possible from the specified two bun types is: ²C₁
From the four sides, the number of possible side purchases is: ⁴C₁
Of the available four drinks, the number of the possible drinks is: ⁴C₁
Now the possible number of all lunches are:
⁴C₁ x ²C₁ x ⁴C₁ x ⁴C₁
= 4 x 2 x 4 x 4
= 128
Hence the number of Kid's Lunches that are possible are 128.
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Dominique has $13.75 in her piggy bank. All of the money are quarters. How many quarters are in the piggy bank?
Answer: I think its 0.55
Step-by-step explanation: if you do 25 times 0.55 because quarter's are 25 cents it equals 13.75
The number of quarters in the piggy bag will be 55.
What is unit conversion?Multiplication or division by a numerical factor, selection of the correct number of significant figures, and unit conversion are all steps in a multi-step procedure. Unit conversion is the process of changing a quantity's measurement between different units, frequently using multiplicative conversion factors.
Given that Dominique has $13.75 in her piggy bank. All of the money is quarters.
The number of the quarters will be calculated as:-
1 dollar ⇒ 4 quarters
13.75 dollars ⇒ 13.75 x 4 quarters
13.75 dollars ⇒ 55 Quarters
Therefore, the number of quarters in the piggy bag will be 55.
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what is the product of the complex number 3-4i and 6+I where I =-1
Answer:
15-20i
Step-by-step explanation:
Hello,
When l =-1
6+l = 6-1 = 5
and 5(3-4i)=15-20i
Thanks
How can you find 10% of any number?
Answer:
multiply the number with 10
and then divide it by 100
to get 10% of the number
follow me √ 128 = √ 16 × √ 8 = 4√ 8
What statement best describes Marcus awnser?
1. He is incorrect because 16 times 8 is not 128.
2. He is incorrect because he did not use the largest perfect square.
3. He is incorrcent because the 4 and the 8 should be switched around in his awnser.
4. He is correct.
Answer:
4. Marcus is correct.
Step-by-step explanation:
Find the radius of the circle if the center is at (1, 2) and the point (-5, 6) lies on the circle.
On a coordinate plane, a circle has center point (1, 2). A point on the circle is at (negative 5, 6).
9514 1404 393
Answer:
2√13
Step-by-step explanation:
The distance between the center of the circle and a point on the circle is the radius. That distance is given by the distance formula:
d = √((x2 -x1)² +(y2 -y1)²)
d = √((-5 -1)² +(6 -2)²) = √(36 +16) = √52
d = 2√13
The radius of the circle is 2√13.
((BONUS POINTS!!)
Destinee was asked to rewrite the equation below in slope-intercept form.
Identify her error and correctly find the slope-intercept form of the equation. Then, identify the slope and y-intercept
6x + 2y = 10
-2y -2y
-------------------
6x = -2y + 10
---- -----------
6x 6x
X = -1/3y + 5/3
The equation is rewritten in slope-intercept form as y = -3x + 5.
Slope = -3; y-intercept = 5.
What is the Equation of a Line in Slope-intercept Form?The equation of any given line, when written in the slope-intercept form is expressed as y = mx + b, where:
the slope = mthe y-intercept = b.Given the equation in standard form as 6x + 2y = 10, rewrite the equation in slope-intercept form as explained in the steps below:
6x + 2y = 10
2y = -6x + 10 [subtraction property of equality]
Divide both sides by 2
2y/2 = -6x/2 + 10/2
y = -3x + 5
The equation is y = -3x + 5, Destinee didn't rewrite the equation correctly because he subtracted 2y from both sides rather.
The slope of y = -3x + 5 is -3.
The y-intercept of the equation is 5.
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A system of two linear equations is graphed on a coordinate plane. If the system of equations has infinitely many
solutions, which statement must be true?
A) On the graph, there are no points (z, y) that satisfy both equations.
B) On the graph, there is exactly one point (z,y) that satisfies both the equations.
C) On the graph, any point (z,y) that satisfies one of the equations cannot satisfy the other equation.
D) On the graph, any point (z,y) that satisfies one of the equations must also satisfy the other equation.
Can someone help me with this, I’ve been putting the right answer, but it won’t work. I need help.
Calc II Question
The base of s is an elliptical region with boundary curve 9x^2 + 4y^2 = 36
Cross sections perpendicular to the x axis are isoscelees right triangle with hypotension in the base.
Correct answer is 24 but I don't know how they go that
Answer:
See below for explanation
Step-by-step explanation:
The area of an isosceles triangle is \(A=\frac{1}{2}bh\), so let's write the base as an equation of y:
\(\displaystyle 9x^2+4y^2=36\\\\4y^2=36-9x^2\\\\y^2=9-\frac{9}{4}x^2\\\\y=\pm\sqrt{9-\frac{9}{4}x^2\)
As you can see, our ellipse consists of two parts, so the hypotenuse of each cross-section will be \(\displaystyle 2\sqrt{9-\frac{9}{4}x^2\), and each height will be \(\displaystyle \sqrt{9-\frac{9}{4}x^2}\).
Hence, the area function for our cross-sections are:
\(\displaystyle A(x)=\frac{1}{2}bh=\frac{1}{2}\cdot2\sqrt{9-\frac{9}{4}x^2}\cdot\sqrt{9-\frac{9}{4}x^2}=9-\frac{9}{4}x^2\)
Since we'll be integrating with respect to x because the cross-sections are perpendicular to the x-axis, then our bounds will be from -2 to 2 to find the volume:
\(\displaystyle V=\int^2_{-2}\biggr(9-\frac{9}{4}x^2\biggr)\,dx\\\\V=9x-\frac{3}{4}x^3\biggr|^2_{-2}\\\\V=\biggr(9(2)-\frac{3}{4}(2)^3\biggr)-\biggr(9(-2)-\frac{3}{4}(-2)^3\biggr)\\\\V=\biggr(18-\frac{3}{4}(8)\biggr)-\biggr(-18-\frac{3}{4}(-8)\biggr)\\\\V=(18-6)-(-18+6)\\\\V=12-(-12)\\\\V=12+12\\\\V=24\)
Therefore, this explanation confirms that the correct volume is 24!
what is a Pythagoras theorem
The Pythagoras theorem states that in a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides.
What is mathematical representation of Pythagoras theorem?From the given Pythagoras theorem above, the mathematical representation of the theorem would be written below as follows;
C² = a²+b²
Where:
'C' represents the hypotenuse which is the longest part of the triangle and is always diagonal connecting the two other points.'a' represents the perpendicular length that forms the angle 90° of the right angle triangle.'b' represents the base of the triangle.Learn more about Pythagorean formula here:
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Alison's age is 10 more than half of Sam's age. Using S to represent Sam's age, write an expression that represents Alison's age.
a) 1/2(S+10)
b) 10-1/2S
c) S+1/2(10)
d)1/2S+10
Answer:
D
Step-by-step explanation:
Let's pretend to use 6 as Sam's age.
Six divided by two is three, plus ten is 13.
Now let's work it backwards.
"half of Sam's age"
S/2
"Alison's age is 10 more"
+10
Put these together and it's S/2+10.
A farmer wants to construct a fence around his rectangular garden which is 204 feet long by 142 wide. How many linear feet of fencing is required?
The linear feet of fencing in the rectangular garden s 692 feet
How many linear feet of fencing is required?From the question, we have the following parameters that can be used in our computation:
Length = 204 feet
Width = 142 feet
To calculate the amount of linear feet of fencing that is required, we make use of the following perimeter equation
Linear feet of fencing = 2 * (Length + Width)
Substitute the known values in the above equation, so, we have the following representation
Linear feet of fencing = 2 * (204 + 142)
Evaluate
Linear feet of fencing = 692
Hence, the linear feet of fencing is 692 feet
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A construction crew needs to pave a road that is 207 miles long. The crew paves 8 miles of the road each day. The length, L (in miles), that is left to be paved after d days is given by the following function. L(d) = 207–8d Answer the following questions. (a) IF 143 miles of the road is left to be paved, how many days has the crew been paving the road? E 1 days (b) How many miles of the road does the crew have left to pave after 13 days?
Answer:
8: 207
x: 143
and solve that to get your answer
The required answers are-
(a) The crew been paving the road for 8 days.
(b) 103 miles of the road have left for the crew to pave after 13 days.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions by connecting them with the equal sign = .
The given equation to pave a road is,
L(d) = 207– 8d
where, length, L (in miles), and d days.
(a) For 143 miles of the road is left to be paved, the number of days is given as-
Put Length L(d) = 143 in the equation to pave a road
we get,
143 = 207– 8d
or, 8d = 207– 143
or, 8d = 64
or, d = 64/8
⇒ d = 8 days
So, The crew have been paving the road for 8 days.
(b) miles of the road have left for the crew to pave after 13 days.
Put d = 13 days in the equation to pave a road
we get,
L(d) = 207– 8*13
or, L(d) = 207– 104
⇒ L(d) = 103 miles
So,103 miles of the road have left for the crew to pave after 13 days.
Thus,The required answers are-
(a) The crew have been paving the road for 8 days.
(b) 103 miles of the road have left for the crew to pave after 13 days.
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Samantha invested $40,500 at 6% to be compounded annually. What will be the value of Samantha's investment in 3 years? Round your answer to the nearest cent. Note: Assume 365 days in a year and 30 days in a month.
Answer:
7.45
Step-by-step explanation:
A randomized telephone survey of adults in the United States determines that a certain number out of 504 respondents have one or more pets. They use p^ to construct a 95% confidence interval to estimate the proportion p of American adults who have pets to be (0.56137,0.60529).
How many respondents said they have one or more pets?
283
294
305
290
Answer:
\( \hat p=\frac{0.56137+0.60529}{2}= 0.58333\)
The critical value for 95% of confidence is \(z_{\alpha/2}=1.96\)
And since we know the total and the proportion is defined as:
\( \hat p=\frac{X}{n}\)
If we solve for X (number of people who say yes) we got:
\( X= 0.58333* 504= 293.998 \approx 294\)
And the best answer would be:
294
Step-by-step explanation:
We know that the confidence interval for the proportion is given by:
\( \hat p \pm z_{\alpha/2} \sqrt{\frac{\hat p(1-\hat p)}{n}}\)
The margin of error for the proportion interval is given by this formula:
\( ME=z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}\) (a)
The margin of error can be calculated with this formula:
\( ME=\frac{0.60529- 0.56137}{2}= 0.02196\)
And the estimation for the true proportion is:
\( \hat p=\frac{0.56137+0.60529}{2}= 0.58333\)
The critical value for 95% of confidence is \(z_{\alpha/2}=1.96\)
And since we know the total and the proportion is defined as:
\( \hat p=\frac{X}{n}\)
If we solve for X (number of people who say yes) we got:
\( X= 0.58333* 504= 293.998 \approx 294\)
And the best answer would be:
294
Match each expression on the left with its quotient. Use number sense and estimation to help.
5.85 or 36 or 9.4 or 21.5
40.42 ÷ 4.3 ( Drag Here )
15.48 ÷ 0.72 ( Drag Here )
86.4 ÷ 2.4 ( Drag Here )
50.31 ÷ 8.6 ( Drag Here )
Answer:
40.42 ÷ 4.3 = 9.4
15.48 ÷ 0.72 = 21.5
86.4 ÷ 2.4 = 36
50.31 ÷ 8.6 = 5.85
The second side of a triangular deck is 3 feet longer than the shortest side and a third side that is 3 feet shorter than twice the length of the shortest side. if the perimeter of the deck is 76
feet, what are the lengths of the three sides?
Considering the perimeter of the triangle, it is found that the lengths of the sides are given by:
19 feet, 22 feet, 35 feet.
What is the perimeter of a triangle?The perimeter of a triangle is given by the sum of the lengths of it's sides.
For this problem, we consider the sides as:
x, y and z.
The perimeter is of 76 feet, hence:
x + y + z = 76.
The second side of a triangular deck is 3 feet longer than the shortest side, hence:
y = x + 3.
A third side that is 3 feet shorter than twice the length of the shortest side.
z = 2x - 3.
Applying everything at the perimeter equation, we have that:
x + y + z = 76.
x + x + 3 + 2x - 3 = 76.
4x = 76.
x = 76/4
x = 19.
Then the other variables are:
y = x + 3 = 22.z = 2x - 3 = 2(19) - 3 = 35.The lengths are:
19 feet, 22 feet, 35 feet.
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Cora works at a small airfield where she fuels planes. She fills a Canadian plane with 125 gallons of fuel, but the pilot wants a receipt that shows the total number of liters purchased. How many liters are on the receipt Cora provides? A. 475.250 liters B. 473.176 liters C. 480.005 liters D. 479.215 liters
Answer: B. 473.176
Step-by-step explanation: 3.78541 Liters are in one gallon, so if you multiply 3.78541 Liters by 125 gallons then you will end up with 473.176 liters. If you have to add tax then it would be A. 475.250
Based on the information in the two-way table, what is the probability that a person
selected at random both bikes and runs?
Round your answer to the nearest tenth of a percent.
Answer:
Step-by-step explanation: