Answer:
24
plz mark me as brainliest :DD
Answer:
The LCM for 6 and 8 = 24
Step-by-step explanation:
Because 24 is the first multiple they have in common.
6 | 8
12| 16
18 | 24 <-- 24
24 | 32
^
24 Least Common Multiple
Find the approximate area of the shaded region. Use 3.14 for pi
The area of the shaded region of the rectangle is approximately 573.92 square feet.
What is the area of the shaded region?The figure in the image is that of a rectangle with a semi-circle inscribed in it.
The area of rectangle is expressed as:
Area = Length × Width
The area of semi-circle is expressed as:
Area = 1/2 × πr²
To determine the area of the shaded region, we simply subtract the area of the semi-circle from the area of the rectangle.
Area of shaded region = area of rectangle - area of semi-circle
Area of shaded region = ( Length × Width ) - ( 1/2 × πr² )
From the image:
Length = 40 ft
Width = 20 ft
Radius r = 12 ft
Plug the values into the above formula:
Area of shaded region = ( Length × Width ) - ( 1/2 × πr² )
Area of shaded region = ( 40 × 20 ) - ( 1/2 × 3.14 × 12² )
Area of shaded region = ( 800 ) - ( 226.08 )
Area of shaded region = 573.92 ft²
Therefore, the area is approximately 573.92 square feet.
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Convert 506 minutes to hours and minutes.
Answer:
8 hours and 26 minutes
Step-by-step explanation:
To convert 506 minutes to hours and minutes, we can use the fact that there are 60 minutes in one hour.
First, we can divide 506 by 60 to find the number of hours:
506 ÷ 60 = 8 with a remainder of 26
This means that 506 minutes is equal to 8 hours and 26 minutes.
Therefore, the conversion of 506 minutes to hours and minutes is:
8 hours and 26 minutes
Name each level of measurement for which data can be quantitative. Select all the levels of measurement for which data can be quantitative.
Answer: Interval, Ratio, ordinal
Step-by-step explanation:
Quantitative data refers to data with numerical variables and have numerical meaning for which mathematical inferences can be made. The interval scale is used are used only for quantitative variables. They provide an fixed and ordered arrangement on their scale and also provide useful and reasonable differences in values.
The ratio scale is another quantitative scale which is very similar to the interval scale, providing meaningful difference between the values. The ratio scale gives a true zero (zero here means none) value which is different from interval whose zero value does not mean real zero.
The ordinal scale can be applied to both Qualitative and quantitative variables, the scale gives a rank and ordered meaning to measurement. However, the numbers or scale values cannot be used for mathematical computation as they'll provide no useful meaning.
Given the function g(a) =4a -3. Solve for g(-2)
Answer: g(a) = 4(-2) - 3 = -8 - 3 = -11
Step-by-step explanation: your welcome. :)
Answer:
-11
Step-by-step explanation:
g(a) = 4a -3
g(-2)= 4(-2)-3
g(-2)= -8-3
g(-2)= -11
selling price of car if rs 50,000 , profit is 10% and cost price of car will be ?
Answer:
Rs 45,000
Step-by-step explanation:
The profit is the difference between the selling price and the cost price of the car. In this case, the profit is 10% of the selling price, or 10% * Rs 50,000 = Rs 5,000.
Therefore, the cost price of the car is the selling price minus the profit, or Rs 50,000 - Rs 5,000 = Rs 45,000. This is the amount that the seller paid for the car, before adding the profit.
The equation of a parabola is (x−3)2=16(y+7) . What are the coordinates of the vertex and focus of the parabola? What is the equation of the directrix?
The coordinates of the vertex of the parabola are (3, -7). The focus of the parabola is located at (3, -3). The equation of the directrix is y = -11.
The given equation of the parabola is in the form (x - h)^2 = 4p(y - k), where (h, k) represents the vertex and p represents the distance between the vertex and the focus/directrix.
Comparing the given equation with the standard form, we can see that the vertex is at (3, -7).
The coefficient 4p in this case is 16, so p = 4. Since the parabola opens upward, the focus will be p units above the vertex. Therefore, the focus is located at (3, -7 + 4) = (3, -3).
To find the directrix, we need to consider the distance p below the vertex. Since the parabola opens upward, the directrix will be p units below the vertex. Hence, the equation of the directrix is y = -7 - 4 = -11.
In summary, the coordinates of the vertex are (3, -7), the focus is located at (3, -3), and the equation of the directrix is y = -11.
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Mr. Hooper has a tree in his front yard that grows every year. If the tree was 3 feet tall when he planted it 6 years ago , what is the current height of the tree in terms of f?
A. 3f + 6 feet
B. 6f + 3 feet
C. 3f + 18 feet
D. 6f + 18 feet
The height of the tree after 6 years can be expressed as "3 feet + 6f feet."
The correct answer is A. 3f + 6 feet.
To determine the current height of the tree in terms of "f,"
let's analyze the given information.
We know that the tree was initially 3 feet tall when it was planted 6 years ago.
Since the tree grows every year, we can assume that its growth rate is consistent.
Let's denote the current height of the tree as "h" (in feet).
After 6 years, the tree has grown by a certain amount, which we'll represent as "6f" (6 years multiplied by the growth rate "f").
Therefore, the height of the tree after 6 years can be expressed as "3 feet + 6f feet."
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where can we put parentheses in 19 - 3 times 5 to make it equivalent to 80
Answer:
(19-3)*5 = 80
Step-by-step explanation:
(19-3)*5 = 80
Parentheses first
16*5 = 80
80
Answer: (19 - 3) * 5 = 80
Check to see if this is right.
(19 - 3) * 5 = 80
16 * 5 = 80
80 = 80
Best of Luck!
A lot of points. PLEASE HELP! I will mark brainliest. Whoever gets it right first.
Select all of the conditions that prove that a quadrilateral is a rectangle.
A) Both pairs of opposite sides are congruent.
B) One pair of opposite sides is longer than the other pair of sides.
C) The diagonals bisect each other.
D) The diagonals are congruent.
E) The diagonals are perpendicular.
only C) The diagonals bisect each other, and E) The diagonals are perpendicular are the two conditions that prove that a quadrilateral is a rectangle.
What is the quadrilateral?
A quadrilateral is a four-sided polygon, which means it has four straight edges and four angles. Quadrilaterals can come in many different shapes and sizes and can be classified based on their properties. Some common examples of quadrilaterals include squares, rectangles, parallelograms, rhombi, and trapezoids.
A quadrilateral is a rectangle if it satisfies the following conditions:
C) The diagonals bisect each other.
E) The diagonals are perpendicular.
A) Both pairs of opposite sides are congruent, is not a necessary condition for a quadrilateral to be a rectangle, as a rectangle can have different side lengths.
B) One pair of opposite sides is longer than the other pair of sides, is not a necessary condition for a quadrilateral to be a rectangle, as a rectangle can have equal side lengths.
D) The diagonals are congruent, is not a necessary condition for a quadrilateral to be a rectangle, as a rectangle can have diagonals of different lengths.
So, only C) The diagonals bisect each other, and E) The diagonals are perpendicular are the two conditions that prove that a quadrilateral is a rectangle.
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What is 35% of $2,195.73
Answer:
768.51
Step-by-step explanation:
To find 35% change the percentage to a decimal (.35)
Then multiply the original amount by .35
2195.73 *.35
768.5055
Since this is money, we round to the nearest cent
768.51
What is the equation for
7x - 4/y =10
in the form y = mx + b?
Answer:
Step-by-step explanation:
assume the equation is (7x-4)/y=10
10y= 7x-4 didvide both sides by 10
y= (7/10)*x - (2/5)
m=7/10
b=-2/5
The equation for 7x - 4/y =10 in the form y = mx + b . The equation in the form
\(\(y = mx + b\) is: \[y = \frac{4}{7x - 10}\]\)
To rewrite the equation in the form we need to \(\(y = mx + b\),\) isolate the term involving y on one side of the equation. Here's the step-by-step process:
Step 1: Add \(\(\frac{4}{y}\)\) to both sides of the equation to isolate the 7x term on the left side:
\(\[7x = 10 + \frac{4}{y}\]\)
Step 2: Get rid of the fraction by multiplying both sides of the equation by y:
\(\[7xy = 10y + 4\]\)
Step 3: Now, we want to express y alone on one side. To do this, subtract 10y from both sides:
\(\[7xy = 10y + 4\]\)
Step 4: Factor out y on the left side:
\(\[y(7x - 10) = 4\]\)
Step 5: Finally, divide both sides by to solve for \(\((7x - 10)\)\)
\(\[y = \frac{4}{7x - 10}\]\)
Now, the equation is in the form where \(\(y = mx + b\), \(m\)\) is the coefficient of x and b is the constant term. In this case,\(\(m = \frac{4}{7x - 10}\) and \(b\)\) is equal to 0.
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Simplify (2x-3)(5x squared-2x+7)
To simplify the expression (2x-3)(5x^2-2x+7), we can use the distributive property.
First, multiply 2x by each term inside the second parentheses:
2x * 5x^2 = 10x^3
2x * -2x = -4x^2
2x * 7 = 14x
Next, multiply -3 by each term inside the second parentheses:
-3 * 5x^2 = -15x^2
-3 * -2x = 6x
-3 * 7 = -21
Combine all the resulting terms:
10x^3 - 4x^2 + 14x - 15x^2 + 6x - 21
Now, combine like terms:
10x^3 - 19x^2 + 20x - 21
So, the simplified expression is 10x^3 - 19x^2 + 20x - 21.
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(6 + 4)^2 + (11+ 10/2) Simplifyyyyy
Answer:
116
Step-by-step explanation:
we do pemdas so start with parenthesis
6+4=10
10 squared =100
then we divide before adding so
10/2 = 5+11= 16
100+16= 116
PLEASE HELP! GIVING BRAINLIEST!
You have a piece of canvas that you want to paint. You have enough paint to cover
252 square inches. You know you want one side to be 14 inches. How long should
the other side be if you want to use up all the paint?
show your work
Answer:
h = 18 in.Step-by-step explanation:
Area of a rectangular canvas = base x height (A = b*h)
where A = 252 in²
b = 14 in
find: height (h)
solution:
just plugin the values into the formula:
252 = 14 * h
h = 252 / 14
h = 18 in
the blue dot is at what value on the number line?
A camera has a listed price of $699.98 before tax. If the sales tax is 6.25%, find the total cost of the camera with sales tax included.
Answer: 742.68
Step-by-step explanation:
A market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores. Marketing managers are prone to look at the estimate and ignore sampling error. A random sample of 36
stores this year shows mean sales of 78
units of a small appliance with a standard deviation of 13
units. During the same point in time last year, a random sample of 49
stores had mean sales of 90
units with standard deviation 16
units.
It is of interest to construct a 95 percent confidence interval for the difference in population means 1−2
, where 1
is the mean of this year's sales and 2
is the mean of last year's sales.
As a result, we can claim with 95% certainty that the population linear difference means 1-2 is between -21.48 and -2.52 units of small appliances.
What is a linear equation?In algebra, a linear equation has the form y=mx+b. The slope is denoted by B, while the y-intercept is denoted by m. Because y and x are variables, the preceding sentence is sometimes referred to as a "linear equation with two variables." Bivariate linear equations are two-variable linear equations. Linear equations may be found in various places: 2x - 3 = 0, 2y = 8, m + 1 = 0, x/2 = 3, x + y = 2, and 3x - y + z = 3. When an equation has the form y=mx+b, where m represents the slope and b represents the y-intercept, it is said to be linear. A linear equation is one that contains the formula y=mx+b, with m signifying the slope and b denoting the y-intercept.
We may use the following calculation to get a 95% confidence range for the difference in population means 1-2:
\((x1 - x2) t(\alpha/2, df) * \sqrt(s12/n1 + s22/n2)\)
where:
Initially, we must compute the degrees of freedom:
\(df = ((s12/n1) + s22/n2)2/((s12/n1) + (s22/n2)2/(n2-1))\\df = ((13^2/36 + 16^2/49)^2) / ((13^2/36)^2/35 + (16^2/49)^2/48) = 67.94\\(78 - 90) 2.00 * \sqrt(132/36 + 162/49)\\CI = -12 +2.00 * 4.742\\CI = -12+ 9.484\\CI = (-21.48, -2.52) (-21.48, -2.52)\)
As a result, we can claim with 95% certainty that the population difference means 1-2 is between -21.48 and -2.52 units of small appliances.
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find the total volume of the figures and record your solution strategy
The total volume of the figures 420 cubic cm and 444 cubic in
How to determine the total volume of the figuresThe complete question is added as an attachment
Figure (a)
Here, the volume can be calculated using
Volume = Length * Width * Height
Substitute the known values in the above equation, so, we have the following representation
Volume = 14 * 3 * (5 + 5)
Volume = 420 cubic cm
Strategy: Combine the two heights to give 10 cm, then calculate using volume formula
Figure (b)
Here, the volume can be calculated using
Volume = Volume of Shape A + Shape B
Substitute the known values in the above equation, so, we have the following representation
Volume = 7 * 4 * 3 + 15 * 4 * 6
Volume = 444 cubic in
Strategy: Calculate the volume of the individual shapes and then add the volumes
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Rita can make 8 cakes for a bakery each day. So far she has orders for more than 32 cakes. Right now, Rita needs more than four days to make cakes. Write the inequality for the statement in bold. The other numbers are not needed. Use m.
Answer:
m ≥ 4
Step-by-step explanation:
8m ≥32
m ≥ 4 where m is the number of days needed to make the cakes so it needs 4 or more days to make 32 cakes
please help
Select the correct answer. Which graph represents the solution to this inequality?
ANSWER i think its c Step-by-step explanation:
The height h and collar size c , both in centimeters, measured from a sample of boys were used to create the regression line cˆ=−94+0.9h . The line is used to predict collar size from height, both in centimeters, for boys’ shirt collars. Which of the following has no logical interpretation in context?
Answer:
The C=intercept of the regression line
Step-by-step explanation:
The slope of the regression line has a logical interpretation as the average rate of change in collar size for a 1cm increase in height.
A linear regression is represented as \(^\wedge y = mx + c\)
The option that has no logical interpretation is: E The c-intercept of the regression line
From the question, we have:
\(^\wedge c = 94 + 0.9h\)
Using the above representation of a regression line \(\wedge y = mx + c\)
\(m \to\) the slope
\(c \to\) the y-intercept
By comparing \(\wedge y = mx + c\) to \(^\wedge c = 94 + 0.9h\)
\(0.9 \to\) slope
\(94 \to\) the y-intercept
While \(^ \wedge c\) and \(h\) are the variables (i.e. collar size and height)
From the list of given options (see attachment), the option that has no logical interpretation is:
E. The c-intercept of the regression line
This is because c does not represent the intercept of \(^\wedge c = 94 + 0.9h\)
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To add 20.4 + 3.75 + 4.25, Crystal first added 3.75 and 4.25. Which property did Crystal use to add mentally?
A. Associative Property of Addition
B. Commutative Property of Addition
C. Distributive Property
D. Identity Property of Addition
Answer:
A) Associative Property of Addition
Step-by-step explanation:
Associative Property of Addition
Let A, B and C be any three real numbers
A+(B+C) = (A+B) + C
Given data
(20.4 + 3.75) + 4.25 = 20.4 + (3.75 + 4.25)
= 20.4 + 8.0
= 28.4
if f={(1,3),(4,9),(5,2),(6,8)} and f(a)=8, what are all of the possible values for a?
The mean value theorem is used to link the average rate of change and the derivative of a function.
The value of V is 8.
The givenparameters are:
Mean value theorem states that:
If [a,b] and
(a,b),
Then there is a point c in (a,b), such that:
From the question, we understand that: f is differentiable
This means that:
avethat:
The equation becomes
Cross mltiply
o both side
From the question, we have:
By comparisons;
Hence, the value of V is 8.
estimate the solution to the following system of equations by graphing 3x + 5y = 146x - 4y = 9
To solve a system of equations by graphing
3x + 5y = 14
6x - 4y = 9
\(\begin{gathered} x=\text{ 2.405 = }\frac{2405}{1000}\text{ = }\frac{481}{200} \\ y=\text{ 1.357 =}\frac{1357}{1000} \end{gathered}\)Therefore the solution of the system of equations are
x = 2.405 and y = 1.357
Which is larger: 25% of 38 OR 30% of 41
A high speed train is moving 220 miles per hour. What is its speed in miles per minute?
Answer:
approx. 3.6667 miles per minute
Step-by-step explanation:
1 hour = 60 minutes
1 hour or 60 minutes => 220 miles
1 minutes => 220 / 60 miles
Select the correct answer from the drop-down menu. The missing term in the denominator is
Answer: where is the answer choices
Step-by-step explanation:
24. This week, Cristina eamed P594.65 from selling burgers for 35 days. How much he will earn in 5 days?
A. P84.95
B. P94.95
C. P104.95
D. P114.95
25. You have four quizzes in your math subject in a quarter. You got 88.75 for the first quiz, 85.5, 90.5, and 87.25 in the second, third and fourth quizzes, respectively. What is your average in the four quizzes this quarter?
A. 86.5
B. 88
C. 89.5
D. 90 26. Amberich put P580.00 into a savings account for one year. The rate of interest on the account was 6.5%. How much was the interest for one year in pesos and centavos?
A. P67.70
B. P37.70
C. P57.70
D. P17.70
24. This week , Cristina eamed P594.65 from selling burgers for 35 days . How much he will earn in 5 days ?
A. P84.95
B. P94.95
C. P104.95
D. P114.95
25. You have four quizzes in your math subject in a quarter . You got 88.75 for the first quiz , 85.5 , 90.5 , and 87.25 in the second , third and fourth quizzes , respectively . What is your average in the four quizzes this quarter ?
A. 86.5
B. 88
C. 89.5
D. 90
26. Amberich put P580.00 into a savings account for one year . The rate of interest on the account was 6.5 % . How much was the interest for one year in pesos and centavos ?
A. P67.70
B. P37.70
C. P57.70
D. P17.70
Question 24 :
P594.65 : 35 days
P594.65/7 : 35/7 days
P84.95 : 5 days
⇒ A. P84.95
Question 25 :
88.75 + 85.5 + 90.5 + 87.25 / 4
352/4
88
⇒ B. 88
Question 26 :
I = P × r × t
I = 580.00 × 0.065 × 1
I = P37.70
⇒ B. P37.70
A quality control inspector is testing microprocessor chips made during a single day by a new machine to determine the proportion of defective chips. She selects an SRS of 80 chips from the 3000 chips produced by the machine on that day. it turns out that six of the chips are defective. Which of the following conditions for constructing a confidence interval for the proportion of defective chips has been violated?
A. np>10 and n(1-p) > 10
B. An SRS has been taken from the population of interest.
C. The population is at least 10 times the size of the sample.
D. The population is approximately Normally distributed.
E. There appear to be no violations.
Answer:
The answer is "Choice A".
Step-by-step explanation:
\(\to \hat p = \frac{6}{80} = 0.075\\\\\to n \hat p = 6 \ngeq 10\)
In this question, "choice A" violates the population size at a minimum of ten times the magnitude including its sample, and therefore does not violate its requirement that is the sample, which was taken in change.