The fraction 1¹/₂ + ⁵/₇ = 2³/₁₄
What are fractions?Fractions are numbers written in the form a/b where a and b are integers and b ≠ 0.
How to find what 1¹/₂ + ⁵/₇?Since we have the fractions 1¹/₂ and ⁵/₇ and we want to compute the sum
1¹/₂ + ⁵/₇, we re-write the first fraction as an improper fraction.
So, 1¹/₂ = ³/₂
Now, re-writting the equation, we have
³/₂ + ⁵/₇
To find the sum, wetake the L.C.M of both numbers which 2 × 7 = 14.
So, we make both denominators equal to the L.C.M.
So,
³/₂ × ⁷/₇ + ⁵/₇ × ²/₂ = ²¹/₁₄ + ¹⁰/₁₄
= (21 + 10)/14
= 31/14
= (28 + 3)/14
= 28/14 + 3/14
= 2 + 3/14
= 2³/₁₄
So, 1¹/₂ + ⁵/₇ = 2³/₁₄
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Find the value of y.
The value of y is 4√3
What are similar triangles?Similar triangles have the same corresponding angle measures and proportional side lengths. The corresponding angles of similar triangles are congruent or equal.
Also , the ratio of corresponding sides of similar triangles are equal.
There are two triangles that are similar
Therefore;
y /16 = 4/y
y² = 48
y = √48
y = √16 × √ 3
y = 4√3
Therefore, the value of y is 4√3
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-b-
Note: Figure is not drawn to scale.
If a = 5m, b = 8 m, c = 8 m, and d = 2 m, what is the perimeter of the swimming pool?
OA.
21 m
OB.
32 m
29 m
34 m
OC.
OD.
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After considering the given data we conclude that the perimeter of the given swimming pool is 23 meters which is Option A.
The perimeter of a rectangle is evaluated by adding up all its sides. For the given case, we possess a rectangle with sides
a = 5m,
b = 8m,
c = 8m and
d = 2m.
Perimeter regarding the swimming pool is evaluated as
a + b + c + d
= 5m + 8m + 8m + 2m
= 23 meters
Hence the option regarding the question which satisfy the perimeter is Option A.
Perimeter the counted measurement regarding the distance around the outside of a two-dimensional shape. In this system the length of the outline or boundary of any two-dimensional geometric shape is defined as perimeter .
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The complete question is
If a = 5m, b = 8 m, c = 8 m, and d = 2 m, what is the perimeter of the swimming pool?
A.23 m
B. 32 m
C.29 m
D.34 m
which expression below is equal to -18 -8(2)+5_8+2(-5)_8+2(5)-8(5)+2
- 8 + 2(- 5)
- 8 - 10
= - 18
The correct answer is the second option
Differentiate y=x4 -x
Answer:
Step-by-step explanation:
To differentiate the function y = x^4 - x, we will use the power rule of differentiation. The power rule states that if f(x) = x^n, then the derivative of f(x) is f'(x) = nx^(n-1).
So, for y = x^4 - x, we can find the derivative as follows:
y' = 4x^3 - 1
So, the derivative of the function y = x^4 - x is y' = 4x^3 - 1.
10 POINTS Solve for x:
2x-7=5x+13
x = -20/3
x = -7
x = 22/3
A pound of pistachios cost $16.64. What is the unit rate per ounce? (HOW DID YOU GET YOUR ANSWER PLEASE SHOW YOUR WORK!!)
A. 52.90
B. 1.04
C. 12.84
D. 458
E. 5x-8y+7
F. 25.30
Answer:
a
Step-by-step explanation:
you sailed 0.032 units to the left and found treasure at 0.248 units find where the ship started
Use the scenario to choose the correct answers. Complete Steps 1-2 in order.
A company records its sales for each year.
9. Step 1: Find the equation of the line of regression
y=ax+b
y=3.7 x+8.5
y=8.5 x+3.7
y=-8.5 x+3.7
y=-3.7 x+8.5
10. Step 2: Use the regression line as a model to estimate the sales of the company in 2022.
71.7 million dollars
64.3 million dollars
85 million dollars
38.1 million dollars
9. The regression line is given as follows: y = 8.5x + 3.7.
10. The estimate for 2022 is given as follows: 71.7 million dollars.
How to obtain the regression line?The regression line is obtained inserting the points of the table into a linear regression calculator.
From the table, the points are given as follows:
(1, 13), (2, 19), (3, 31), (4, 36), (5, 47).
(considering x as the number of years since 2014).
Inserting these points into a calculator, the equation is given as follows:
y = 8.5x + 3.7.
2022 is 8 years after 2014, hence the estimate is given as follows:
y = 8.5(8) + 3.7 = 71.7 million dollars.
(numeric value at x = 8, replace the lone instance of x by 8).
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in what directions are operations done
Answer:
in right direction operation are done
could someone please help me urgent :((((
trinomial method factoring
#1
10m²+m-310m²-5m+6m-35m(2m-1)+3(2m-1)(5m+3)(2m-1)#2
4x²-20x+254x²-10x-10x+252x(2x-5)-5(2x-5)(2x-5)(2z-5)#3
6n²+26n-206n²+30n-4n-206n(n+5)-4(n+5)(6n-4)(n+5)Answer:
d). (2m-1)(5m+3)
e). (2x-5)(2x-5)
f). (6n-4)(n+5)
Step-by-step explanation:
Solving by factorisation...
d). 10²+m-3
=> 10m²+6m-5m-3
=> 2m(5m+3)-1(5m+3)
=> (2m-1)(5m+3)
e). 4x²-20x+25
=> 4x²-10x-10x+25
=> 2x(2x-5) -5(2x-5)
=> (2x-5)(2x-5)
f). 6n²-20+26n
=> 6n²+26n-20
=> 6n²+30n-4n-20
=> 6n(n+5)-4(n+5)
=> (6n-4)(n+5)
Out of 200 students in a senior class, 32 seniors are in the band and 64 seniors are in the band or on the honor roll. What is the probability that a randomly selected senior is both in the band and on the honor roll? Express your answer a fraction in simplest form.
The Probability that a randomly selected senior is both in the band and on the honor roll is 8/25.
To find the probability that a randomly selected senior is both in the band and on the honor roll, we need to divide the number of seniors who are in both categories by the total number of seniors.
Given:
Total number of seniors = 200
Number of seniors in the band = 32
Number of seniors in the band or on the honor roll = 64
Let's calculate the probability using these values:
Probability = Number of seniors in both categories / Total number of seniors
Probability = 64 / 200
To simplify this fraction, we can divide both the numerator and denominator by their greatest common divisor, which is 8:
Probability = (64 ÷ 8) / (200 ÷ 8)
Probability = 8 / 25
Therefore, the probability that a randomly selected senior is both in the band and on the honor roll is 8/25.
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Which of the following sets are continuous? Check all that apply.
A. {2, 4, 6, 8, ...)
B. (-0, +00)
C. (30, 45]
D. [60, 100)
E. {3,7)
Answer: The correct answer option is B.
Step-by-step explanation:
We are to determine whether which of the given data sets in the answer options are continuous.
For this, we need to know what a continuous data set is.
A data set that has no definite end to its value but keeps on continuing.
Here, the data sets are given in A, C, D, and E have definite starting and ending points.
While B is a continuous set as its values are continuing to infinity.
You have 60 teaspoons of peppercorns. You need 0.25 teaspoons to make one serving of beef brisket. How many servings can you make?
Answer:
One Serving - 1/4 teaspoon
240 Serving - 60 teaspoon
plz mark as brainliest
HELP! DUE SOON! X^2=6
Answer:
x² = 2
x = sqrt. of 6
x = (+-)2.449
Step-by-step explanation:
brainliest plz
solve this equation 4log√x - log 3x =log x^2
Answer:
\(x = \frac{1}{3} \)
Step-by-step explanation:
*Move terms to the left and set equal to zero:
4㏒(√x) - ㏒(3x) - ㏒(x²) = 0
*simplify each term:
㏒(x²) - ㏒(3x) - ㏒(x²)
㏒(x²÷x²) -㏒(3x)
㏒(x²÷x² / 3x)
*cancel common factor x²:
㏒(\(\frac{1}{3x}\))
*rewrite to solve for x :
10⁰ = \(\frac{1}{3x}\)
1 = \(\frac{1}{3x}\)
1 · x = \(\frac{1}{3x}\) · x
1x = \(\frac{1}{3}\)
*that would be our answer, however, the convention is to exclude the "1" in front of variables so we are left with:
x = \(\frac{1}{3}\)
There is a box of 45 markers. Of the markers, 20 are black and the rest are red. What fraction of the
total marbles is red? Write your answer in simplest form.
Answer:
5/9 of the marbles are red
Step-by-step explanation:
Of the 45 marbles, 20 are black, and the other 25 are red. So 25/45, or 5/9, of the marbles are red.
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Brandon invests $5800 in two different accounts. The first account paid 3 %, the second account paid 8 % in interest. At the end of the first year he had earned $229 in interest. How much was in each account?
$ ___ at 3 %
$ ____ at 8 %
Interest is a fee charged by a lender to a borrower for the use of money or credit, usually expressed as a percentage of the amount borrowed or invested over a period of time. Brandon invested $\(4700\) at 3% interest and $\(1100\) at \(8\)% interest. The total interest earned after one year is $229
How much was in each account?
Let x be the amount invested in the first account that pays 3% interest, and let y be the amount invested in the second account that pays 8% interest. Since the total amount invested is $5800, we have:
\(x + y = 5800\)
The amount of interest earned on the first account is 0.03x, and the amount of interest earned on the second account is 0.08y. Since the total interest earned after one year is $229, we have:
\(0.03x + 0.08y = 229\)
We now have two equations with two unknowns:
\(x + y = 5800\)
\(0.03x + 0.08y = 229\)
We can solve for x and y by using elimination or substitution method. Here, we will use the substitution method.
Solve the first equation for x:
\(x = 5800 - y\)
Substitute this expression for x into the second equation and solve for y:
\(0.03(5800 - y) + 0.08y = 229\)
\(174 - 0.03y + 0.08y = 229\)
\(0.05y = 55\)
\(y = 1100\)
Now substitute this value of y into either equation to solve for x:
\(x + 1100 = 5800\)
\(x = 4700\)
Therefore, Brandon invested $\(4700\) at 3% interest and $\(1100\) at \(8\)% interest.
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A fireworks mortar is launched straight upward from a pool deck platform 6 m off the ground at an initial velocity of 48 m/sec.
The height of the mortar can be modeled by h(t)=-4.9t^2+48t+6, where h(t) is the height in meters and t is the time in seconds after launch. What is the maximum height? Round to the nearest meter.
Check the picture below.
so the maximum height will occur at its vertex y-coordinate.
\(\textit{vertex of a vertical parabola, using coefficients} \\\\ h(t)=\stackrel{\stackrel{a}{\downarrow }}{-4.9}t^2\stackrel{\stackrel{b}{\downarrow }}{+48}t\stackrel{\stackrel{c}{\downarrow }}{+6} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left(-\cfrac{ 48}{2(-4.9)}~~~~ ,~~~~ 6-\cfrac{ (48)^2}{4(-4.9)}\right) \implies \left( - \cfrac{ 48 }{ -9.8 }~~,~~6 - \cfrac{ 2304 }{ -19.6 } \right)\)
\(\left( \cfrac{ 48 }{ 9.8 } ~~~~ ,~~~~ 6 +\cfrac{ 2304 }{ 19.6 } \right) ~~ \approx ~~ (4.89~~,~~\text{\LARGE 124})\)
What is the slope of the line segment that passes through
points (1,3) and (5, 13)?
Answer: 5/2
Step-by-step explanation:
slope equation: (y2-y1)/(x2-x1)
13-3/5-1 = 10/4 or 5/2
Answer:
2.5
Step-by-step explanation:
Gradient (slope) =
\(m = \frac{y2 - y1}{x2 - x1} = \frac{13 - 3}{5 - 1} = \frac{10}{4} = 2 \frac{1}{2} \)
53 fl oz = c
A. 6
B. 6 5/8
C. 13 1/4
D. 424
Answer:
Option B
Step-by-step explanation:
Given the following question:
53 oz = c?
\(1c=8oz\)
\(53\div8=6.625\)
\(6.625=\frac{6625}{1000}\div125=\frac{53}{8}\)
\(\frac{53}{8} =53\div8=6\frac{5}{8}\)
\(=6\frac{5}{8}\)
Your answer is option B or "6 5/8 cups."
Hope this helps
Two numbers have prime factors of 2, 3, 5, and 11 that they share. What is the greatest common factor of the two numbers?
Answer:
5
Step-by-step explanation:
Which of the following expressions are equivalent? Justify your reasoning.
Answer:
B and D
Step-by-step explanation:
B: 1/x^-1 means that you have to move the x to the opposite side of the fraction which makes it equal to x^1 which is just x.
D: x^(1/3) multiplied by itself three times is basically x^(1/3)^3. If you distribute the 3 to the first exponent, you get x^1 which also is equal to just x.
helppppppppppppppp
Ginny and Bob are both locksmiths.
Ginny uses the function f(x)=60x+80 to determine the charge to her customers, where x represents the number of hours of labor.
The table shows what Bob charges a customer for x hours of labor.
x (hours) 0 1 2 3 4
cost ($) 60 140 220 300 380
Which locksmith charges less for an initial fee for a service call?
Drag a value or name to the boxes to correctly complete the statements.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
Ginny charges Response area for an initial fee, and Bob charges Response area for an initial fee. Response area charges less for an initial fee.
For the initial fee, Bob charges less than Ginny.
What is unit rate?A unit rate means a rate for one of something.
Given that Ginny charges by uses the function f(x)=60x+80 where x represents the number of hours of labour.
Ginny initial charge = $80
Bob initial charge =$60
Hence, For the initial fee, Bob charges less than Ginny.
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What is 2 +2 -6 + 9 divided by 4
Answer:0.25
Step-by-step explanation:
What is the equation in point slope form of the line that is perpendicular to the given line and passes through the point(2,5)?
Answer:
Step-by-step explanation:
To find the equation of a line that is perpendicular to a given line and passes through a specific point, we need to follow a few steps:
Find the slope of the provided line.
The point-slope form of a line is given by: y - y1 = m(x - x1), where (x1, y1) represents the given point.
Substituting the values, the equation of the perpendicular line becomes:
y - 5 = (-1/m)(x - 2)
Simplifying the equation further, we can rewrite it in point-slope form:
y - 5 = (-1/m)x + (2/m)
160 51 what is the value of x
Answer:x=58
Step-by-step explanation:
Did it already
What is the solution to the equation? 13+x=74
x=-6 1/4
x=-6 1/4
x =20
x=21
Hello please help asap!! i will mark brainliest and this is worth 20 points!!!!! tysm
The least number of colors needed to correctly color in the sections of the given picture so that no two touching sections have the same color is 5.
Let's say we begin with a single triangle. This triangle will be the first of a series of seven subsequent triangles, none of which will have any portions contact. If a square were the initial shape, then there are five shapes—three of which are squares and the other two are triangles—that don't have any touching portions. Given that a square takes up twice as much room, this value is probably lower, but location also matters. Therefore, for the given figure, the least number of colored areas you can color in that yet meet the required criteria is 5.
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On his way out to meet a friend for lunch, David realized that his financial record was not up to date. He notices that he forgot to record three transactions. The first transaction was on August 2nd in the amount of $12.32, another transaction on that same day in the amount or $52.34, and finally a transaction on August 8th in the amount of $85.35. Determine David's balance carried forward for the 8th of August using the table below and the information provided. A check register. The Balance on August fifth is 1,049 dollars and 16 cents. a. $975.32 b. $899.15 c. $1,049.16 d. $848.84
Answer:
b
Step-by-step explanation:
add the three numbers together then minus from the main total
Answer:
B. $899.15
Step-by-step explanation:
Sandy is working with a carpenter to frame a house. They are using 8ft-long boards, but each board must be cut to be 7ft, 10 3/4 inches long. How much is cut off each board?