Answer:
3x+24 more widgets
Step-by-step explanation:
A company owns two manufacturing plants:
1st plant: 8x+17 widgets;2nd plant: 5x-7 widgets.To find how many more items the first plant produces daily than the second plant, we have to subtract from the number of widgets the first plant produces the second plant produces. So,
[tex](8x+17)-(5x-7)\\ \\=8x+17-5x+7\ [\text{Eliminate brackets}]\\ \\=(8x-5x)+(17+7)\ [\text{Combine the like terms}]\\ \\=3x+24[/tex]
Answer:
3x + 24
Step-by-step explanation:
The question simply requires us to find the difference between the daily production levels of the two plants;
The first plant produces 8x + 17
The second plant produces 5x - 7
The difference between these two expressions will be our required solution;
(8x + 17) - ( 5x - 7) = 8x + 17 - 5x + 7
= 8x - 5x +17 + 7 = 3x + 24
two rectangular properties share a common side. Lot is 33 feet wide and 42 feet long. The combined area of the lots is 1,848 square feet .How many feet wide I Lot B
First, find the area of lot A.
To find the area, multiply the length by the width.
33*42=1,386
Now, subtract the area of lot a from the total area. This will give us the area of lot b.
1,848-1,386=462
The area of lot b is 462 square feet.
Finally, divide the area of lot b (462) by its length to find the width. Since they both share a side, we know that it’s length is 42 feet.
462/42=11
Lot b is 11 feet wide.
Hope this helps!
what is it 12 - 33/4
Answer: 15/4
Step-by-step explanation:
1. 12/1 - 33/4
2. 48/4 -33/4
3. 15/4
Find the value of x. Round to the nearest tenth.please help.
Answer:
39.9
Step-by-step explanation:
A good trick to remember is SOH CAH TOA.
Sine = Opposite / Hypotenuse
Cosine = Adjacent / Hypotenuse
Tangent = Opposite / Adjacent
Here, we're given an angle and the opposite side, and we want to find the adjacent side. So we need to use tangent.
tan 31° = 24 / x
x = 24 / tan 31°
x ≈ 39.9
A right triangle has a leg of 12 cm and a hypotenuse of 19 cm.
What is the length of the other leg?
Round to the nearest tenth.
7.0 cm
14.7 cm
22.5 cm
217.0 cm
Answer:
B. 14.7
Step-by-step explanation:
You would need to use the Pythagorean Theorem to find the length of the other leg. But you basically have to use it backwards. The theorem is a^2+b^2=c^2.
Substitute the values: a^2+12^2=19^2
Calculate the exponents: a^2+144=361
Subtract 144 from both sides: a^2=217
Find the square root of 217: 14.70309
Round to the nearest tenth: 14.7
A house has 3 rectangular countertops. Each countertop is 4 3/8 by 2 2/5 feet. How many square feet of tile is needed to cover all of the countertops?
Answer:
[tex]31\frac{1}{2}ft^2[/tex]
Step-by-step explanation:
From the information given each of the three rectangular countertops has dimension [tex]4\frac{3}{8}[/tex] by [tex]2\frac{2}{5}[/tex] feet.
The area of a rectangular shapes is the product of the dimensions.
Each rectangular countertop has area;
[tex]4\frac{3}{8}\times 2\frac{2}{5}=\frac{35}{8}\times \frac{12}{5} =10\frac{1}{2}ft^2[/tex]
Therefore the number of square feet tiles needed to cover all the countertops is [tex]=3\times 10\frac{1}{2}=31\frac{1}{2}ft^2[/tex]
If you make an identical copy of a triangle, rotate the copy 180 degrees and combine the two triangles, you will form a _
If you make an identical copy of a triangle, rotate the copy 180 degrees and combine the two triangles, you will form a parallelogram.
What is Triangle?A triangle is a three-sided polygon that consists of three edges and three vertices.
If you make an identical copy of a triangle, rotate the copy 180 degrees and combine the two triangles, you will form a quadrilateral, specifically a parallelogram.
The two identical triangles, when combined in this way, will have their bases aligned and their vertices opposite each other, forming two pairs of parallel sides.
A parallelogram, which is a quadrilateral with opposite sides that are parallel and congruent.
Hence, If you make an identical copy of a triangle, rotate the copy 180 degrees and combine the two triangles, you will form a parallelogram.
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Simplify 12a2b3 / 3ab PLEASE HELP
12a^2b^3 / 3ab
Factor 3 out of the numerator:
3(4a^2b^3) / 3ab
Cancel out the common factors:
4a^2b^3 / ab
Cancel out the common factors again to get the final answer:
4ab^2
In the auditorium there are 7 Red chairs and 43 blue chairs what's the ratio of number of red chairs to the total number of chairs
Answer:
7 to 50
Step-by-step explanation:
¡¡¡40 POINTS!!!
Which expression is equivalent to 5x+10y-15?
A.5(x-2y-3)
B.5(x+ 5y-10)
C.5(x+2y-3)
D.5(x+2y-15)
Answer:
C
Step-by-step explanation:
Given
5x + 10y - 15 ← factor out 5 from each term
= 5(x + 2y - 3) → C
Final answer:
After factoring out the common factor of 5 from the expression 5x+10y-15, we obtain the equivalent expression, which is 5(x+2y-3). Option C is correct.
Explanation:
To find an expression equivalent to 5x+10y-15, we need to factor out the common factor in all three terms. The common factor here is 5. By dividing each term by 5, we get:
x (from 5x)2y (from 10y)-3 (from -15)Putting these together within parentheses after factoring out the 5 gives us 5(x+2y-3).
Therefore, the answer is: C. 5(x+2y-3)
20 points for the RIGHT answer! help a sis out asap
Answer:
1. B nearly 70%
2. C nearly 9%
Step-by-step explanation:
1. There are 26 people which agree with the question and 61 people which disagree with the question. In total, 26+61=87 people.
So,
[tex]\dfrac{61}{87}\cdot 100\%\approx 70\%[/tex]
disagree with question 1.
2. There are 87 people in total and only 8 females agree with question, so
[tex]\dfrac{8}{87}\cdot 100\%\approx 9\%[/tex]
of females agree with the question 1.
Answer:
Q1: about 70%
Q2: about 9%
Step-by-step explanation:
Question 1:
The grand total number of people is the right and bottom most cell, which is the addition of the column or the row. So grand total = 60 + 27 = 87 (or 61 + 26 = 87)
The number of people (BOTH MALE AND FEMALE) that disagreed with question 1 is 61.
As a percentage, that would be (61/87) * 100 = 70.11%, which is about 70%
Question 2:
Here, the total number of people is still the same, 87. We want the number of females that agreed. So we move in line with agree and in line with female is the table. We see that it is 8, so 8 females agreed with question 1.
As a percentage, (8/81) * 100 = about 9%
220 students were asked if they liked chocolate or vanilla ice cream. 140 said they liked chocolate and 120 said they like vanilla. How many student like both?
We have 220 students total.
140 like Chocolate.
120 like Vanilla.
140+120=260.
260 is 40 more than 220.
Therefore there are 40 students who said they like both.
I hope this helps! :)
Final answer:
By applying the principle of inclusion-exclusion, we found that 40 students like both chocolate and vanilla ice cream.
Explanation:
To determine how many students like both chocolate and vanilla ice cream, we need to use the principle of inclusion-exclusion. This principle is a fundamental counting technique in mathematics that considers the overlap of two sets.
According to the principle, if we have two overlapping sets, we can find the number of elements that are in both sets by adding the number of elements in each set (in this case, the number of students who like chocolate and the number of students who like vanilla) and then subtracting the number of elements that have been counted twice (the students who like both).
The formula we will use is: Number of students liking both = (Number of students liking chocolate) + (Number of students liking vanilla) - (Total number of students surveyed).
Applying the formula:
Number of students liking chocolate = 140
Number of students liking vanilla = 120
Total number of students surveyed = 220
Number of students liking both = 140 + 120 - 220 = 40.
Therefore, 40 students like both chocolate and vanilla ice cream.
Write the equation of the line represented by the following table
Answer:
y = 100x + 400
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (0, 400) and (x₂, y₂ ) = (1, 500) ← 2 points from the table
m = [tex]\frac{500-400}{1-0}[/tex] = 100
note the line crosses the y- axis at (0, 400) ⇒ c = 400
y = 100x + 400 ← equation of line
The equation of the line represented by the following table in slope-intercept form is y = 100x + 400.
What is slope-intercept form of equation of straight line ?The equation of a straight line in the form y = mx + c where m is the slope of the line and c is its y-intercept is known as the slope-intercept form. Here both the slope (m) and y-intercept (c) have real values. It is known as slope-intercept form as it gives the definition of both the slope and y-intercept.
What is the slope of a straight line using two given coordinates ?Slope of a straight line can be found using two given points say (x1,y1) and (x2,y2).
Slope (m) = (y2 - y1) / (x2 - x1) .
Finding the given equation of straight line -Taking any two arbitrary points, from the table given aside we have x1 = 0, x2 = 1, y1 = 400 and y2 = 500
⇒ Slope (m) = (y2 - y1) / (x2 - x1) .
= (500 - 400)/(1 - 0)
∴ Slope (m) = 100 .
The y-intercept of the line is the value of y coordinate when the value of x = 0. In other words, y-intercept is the point where the curve touches the y-axis.
∴ From the table, y-intercept (c) = 400 .
Thus, we have slope (m) = 100 and y-intercept (c) = 400 .
The equation of straight line is y = 100x + 400 .
Therefore, the equation of the line represented by the following table in slope-intercept form is y = 100x + 400.
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Find the domain and range of the function f(x)= |x-4|+3
Answer:
B
Step-by-step explanation:
The domain is (- infinity, infinity) (or the set of all real numbers) bc the function goes never ending to the left and right
The range is f(x) is greater than or equal to 3 bc the y value 3 is the turning point. Also, it's "greater than or equal to" bc the graph opens upward
The domain and range of the function f(x)= |x-4|+3 are the set of real numbers and every real number greater than or equal to 3 respectively.
What is the domain and range of a function?The domain of a function is the set of all possible inputs of the function. The range of a function is the set of all possible outputs of that function.
We can find the domain and range as shown below:The function is given:
f(x)= |x-4|+3.
We can substitute any value of x to the given function. This means that the domain of the function is the set of all real numbers.
The lowest value that the given function can have is 3. This is possible only when the value of x = 4.
It cannot go lower than that as a modulus or absolute value is used in the function.
Thus, the range of the function can be defined as the set of all real numbers greater than or equal to 3.
Therefore, we have found that the domain and range of the function f(x)= |x-4|+3 are the set of real numbers and every real number that is greater than or equal to 3 respectively.
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1. Find the mean, median, and mode of this data set.
76, 74, 78, 72, 73, 80, 49, 72, 83
To calculate for this data set, the mean is 73, the median is 74 after sorting the numbers, and the mode is 72 as it appears more than once.
To find the mean, you add up all the numbers in the set and divide by the total count of numbers. For the provided data set:
76 + 74 + 78 + 72 + 73 + 80 + 49 + 72 + 83 = 657There are 9 numbers, so the mean is 657/9 = 73.To find the median, you first sort the data from lowest to highest, then find the middle number. If there is an even number of data points, the median is the average of the two middle numbers.
Sorted data: 49, 72, 72, 73, 74, 76, 78, 80, 83The middle number (fifth in this case) is 74, so the median is 74.The mode is the number that occurs most frequently in the data set. For this set, the mode would be the number that appears more than once.
The number 72 occurs twice, so the mode is 72.Below is the graph of a trigonometric function. It intersects its midline at (4.7,-3.8) and it has a maximum point at (-4.7,3.8). What’s the period?
The period of the trigonometric function, given the graph provided, is [tex]\( 9.4 \)[/tex]units.
To determine the period of the trigonometric function from the graph, we need to find the length of one complete cycle of the function.
The period of a trigonometric function is the horizontal length between two points where the function begins repeating its pattern. For sine and cosine functions, this is typically from peak to peak, from trough to trough, or between any two identical points on the graph that are one cycle apart.
Looking at the image, we can see that the function reaches a maximum at the point (-4.7, 3.8) and then again at (4.7, -3.8). However, the points given are not one full cycle apart because they represent a maximum and the function's intersection with its midline. Instead, we should look at the distance along the x-axis between two consecutive maximums or two consecutive midline crossings.
If we assume that the graph is symmetric and the pattern repeats in the positive direction of the x-axis, the period would be twice the distance from the given midline crossing to the next one. This is because the midline crossing at (4.7, -3.8) is halfway through a cycle. Therefore, we can double this x-value to find the period.
Since the crossing occurs at x = 4.7, and it's half the period, the full period [tex]\( P \)[/tex] would be:
[tex]\[ P = 4.7 \times 2 \][/tex]
Let's compute the exact value.
The period of the trigonometric function, given the graph provided, is [tex]\( 9.4 \)[/tex]units.
complete question given below:
Answer:
37.6 units
Step-by-step explanation:
khan Academy said so
ANSWER IT CORRECTLY AND ILL GIVE BRAINLIST I think that’s what it’s called
Answer:
y = 8.9
Step-by-step explanation:
Use Pythagoras Theorem a² = b² + c²
In this case a = 12 and c = 8 so,
12² = b² + 8²
( Simplify )
144 = b² + 64
( Minus 64 from both sides to isolate b² )
80 = b²
( Square root to isolate b )
8.94427191 = b
Answer:
8.9
Step-by-step explanation:
The triangle is a right triangle, so we can use the Pythagorean theorem, where a and b are the lengths of the legs (the sides forming the right angle), and c is the length of the hypotenuse (the angle opposite the right angle).
a^2 + b^2 = c^2
y^2 + 8^2 = 12^2
y^2 + 64 = 144
y^2 = 80
y = sqrt(80)
y = sqrt(16 * 5)
y = 4sqrt(5)
y = 8.9
Find the surface area of a square pyramid whose base edge is 6cm and whose slant edge is 5cm
Check the picture below.
so let's notice, the base is a 6x6 square, and triangular faces have a base of 6 and an altitude/height of 5. So we can just get the area of the square and the triangles and sum them up and that's the area of the pyramid.
[tex]\bf \stackrel{\textit{triangles' area}}{4\left[ \cfrac{1}{2}(6)(5) \right]}+\stackrel{\textit{square's area}}{(6\cdot 6)}\implies 60+36\implies 96[/tex]
For this case we have that by definition, the surface area of a regular pyramid, is given by:
[tex]SA = \frac {1} {2} p * l + B[/tex]
Where:
p: Represents the perimeter of the base
l: The inclination height
B: The area of the base
Now, since the base is square we have:
[tex]B = 6 ^ 2 = 36 \ cm ^ 2\\p = 6 + 6 + 6 + 6 = 24 \ cm\\l = 5 \ cm[/tex]
Then, replacing the values:
[tex]SA = \frac {1} {2} 24 * 5 + 36\\SA = 60 + 36\\SA = 96 \ cm ^ 2[/tex]
ANswer
[tex]96 \ cm ^ 2[/tex]
Here's a graph of a linear function. Write the
equation that describes that function.
Express it in slope-intercept form.
well, let's grab a couple of points off the line hmmmm let's see, the lines runs through (0, 4) and also (3,5), so let's use those to get its slope and thus its function.
[tex]\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{4})\qquad (\stackrel{x_2}{3}~,~\stackrel{y_2}{5}) ~\hfill slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{5-4}{3-0}\implies \cfrac{1}{3}[/tex]
[tex]\bf \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-4=\cfrac{1}{3}(x-0)\implies y-4=\cfrac{1}{3}x \\\\\\ y=\cfrac{1}{3}x+4\qquad \impliedby \begin{array}{|c|ll} \cline{1-1} slope-intercept~form\\ \cline{1-1} \\ y=\underset{y-intercept}{\stackrel{slope\qquad }{\stackrel{\downarrow }{m}x+\underset{\uparrow }{b}}} \\\\ \cline{1-1} \end{array}[/tex]
3. Pamela also makes and sells custom dog collars. If she sells small conta
nd sells custom dog collars. If she sells small collars for $4.75 and
large ones for $7.75, what was her revenue last month if she sold 20 small and 14 large
collars?
____________________________________________________
Answer:
$203.5
____________________________________________________
Step-by-step explanation:
In order to find the answer to your question, we would need to find how much money she made when selling the collars.
Lets gather the important information:
$4.75 for small collar
$7.75 for large collar
With the information above, we can solve the problem.
What we would do is multiply the amount of collars that was sold to the right price.
Therefore, we would multiply 4.75 by 20, since small collars cost 4.75 and she sold 20 of them. We would also multiply 7.75 by 14, since large collars cost 7.75 and she sold 14 of them.
Lets calculate:
[tex]4.75*20=95\\\\7.75*14= 108.50[/tex]
Now, we would add the final prices together in order to find how much revenue she made off of the collars.
[tex]95+108.50=203.5[/tex]
When you're done soplving, you should get 203.5.
This means that her revenue last month was $203.5.
$203.5 should be your FINAL answer.
____________________________________________________
Answer:
205.50
Step-by-step explanation:
In a bar, three bottles of Fanta cost GHC 6.00 find the cost of ten such bottles of Fanta
Answer:
The cost is GHC 20.00
Step-by-step explanation:
We can write a proportion to solve this
3 bottles 10 bottles
-------------- = -----------
6.00 x
Using cross products
3x = 10 *6
3x = 60
Divide by 3
3x/3 = 60/3
x = 20
The cost is GHC 20.00
What are the factors of the polynomial a^2 + a - 2? Select all that apply.
A) a - 1
B) a + 2
C) a + 1
D) a - 2
Answer:
A) a - 1 and B) a + 2Step-by-step explanation:
[tex]a^2+a-2=a^2+2a-a-2=a(a+2)-1(a+2)=(a+2)(a-1)[/tex]
Which of the following is recommended when paying a credit card bill?A. Pay the minimum amount every month.B. Pay exactly half the minimum amount every month.C. Pay less than the minimum amount every month.D. Pay more than the minimum amount every month.
Answer: d
Step-by-step explanation:
However much more you pay over the minimum will be applied to the principle, which means it will take less time to pay the credit card bill off
When paying a credit card bill, it is recommended to pay more than the minimum amount every month to reduce the principal balance faster and avoid accruing high interest. This practice leads to less overall cost and faster debt elimination.
The recommended practice when paying a credit card bill is D. Pay more than the minimum amount every month. This is crucial because paying only the minimum amount mostly covers the interest and only a small part of the principal balance. Interest accrues on the remaining balance, leading to higher overall costs.
By paying more than the minimum, you reduce the principal balance faster, thereby reducing the amount of interest that can accumulate. For instance, if two friends both have $2,000 in credit card debt but one pays just the minimum while the other adds an additional $10 each month, the latter will pay off their debt quicker and accrue less interest overall.
Managing credit effectively involves more than just timely payments; it's also about managing your credit utilization and striving to pay off the full balance as quickly as possible. This avoids the high-interest rates that can double the initial amount over time if only minimum payments are made.
The graph below shows a scatter plot and a linear model of joanna’s height, in inches, for various ages. Use the model to estimate how tall joanna was when she was 11 years old.
Answer:
About 57.5 inches
Step-by-step explanation:
From the points which relates height and age a linear model was made. This allow us to estimate joanna’s height in those years the points are missing. For example, when she was 11 years old, her height was about 57.5 inches.
Answer:
57.5
Step-by-step explanation:
almost done please help
Answer:
[tex]a_{n} =1.7n+(n-1)0.5[/tex]
Step-by-step explanation:
I hope this helps.
Answer:
an = .5n +1.2
Step-by-step explanation:
The formula for an arithmetic sequence is given by
an =a1 + d(n-1) where a1 is the first term and d is the common difference
an = 1.7 + .5 (n-1)
Distribute
an = 1.7 + .5n - .5
Combine like terms
an = .5n +1.2
Jenny test grades are 93 89 96 and 98 if she wishes to raise her average to 95 what does she need to score her next test
Answer:
Jenny would have to get a 99 on her next test to raise her average from a 94 to a 95.
Step-by-step explanation:
First you need to find her current average:
93 + 89 + 96 + 98 = 376/4 = 94
Now that you have the current average, all you need to do is find what would be the total of her grades if she had a average of 95. Since her average would be 95, and she would have completed 5 tests, it makes sense to multiply the average by the number of tests:
95 x 5 = 475
Now all you need to do is remove from this number the sum of the original 4 tests, and voila! There is her 5th test score:
475 - 376 = 99
Her 5th test score is 99%.
To raise her average to 95, Jenny needs to score a 99 on her next test.
Explanation:To find out what score Jenny needs to get on her next test, we can use the average formula. We know that Jenny's average score is currently 94 (the average of 93, 89, 96, and 98). Let's call the score she needs to get on her next test 'x'. To raise her average to 95, the sum of all her test scores would be (93 + 89 + 96 + 98 + x) and the number of tests would be 5 (since she has taken 4 tests so far). We can set up the equation (93 + 89 + 96 + 98 + x)/5 = 95 and solve for x:
(93 + 89 + 96 + 98 + x)/5 = 95
Combine like terms and multiply both sides by 5:
376 + x = 475
Subtract 376 from both sides:
x = 99
Therefore, Jenny needs to score a 99 on her next test in order to raise her average to 95.
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what is x^2+11x=0? im confused on what my “c value” is.
Answer:
c=0
Step-by-step explanation:
x² + 11x + 0 = y
x² + 11x + 0 = 0
U already know that y=0 by looking at the equations above,
But your worksheet never state "c", so we will take that c is 0 (look at the equations above.)
So c is just 0.
In a quadratic equation of the form ax^2 + bx + c=0, 'c' is the constant term. In your equation x^2 + 11x = 0, therefore the 'c' value is 0.
Explanation:The equation you provided, x^2 + 11x = 0, is a quadratic equation of the form ax^2 + bx + c = 0. In this equation, 'a' is the coefficient of x^2, 'b' is the coefficient of x, and 'c' is the constant. Comparing your equation with this form, the values of 'a', 'b', and 'c' in your equation are 1, 11, and 0 respectively. Therefore, in your equation, the 'c' value is 0.
To find roots or solutions for the equation, we use the quadratic formula: -b ± √(b^2 - 4ac) / 2a. Substituting 'a', 'b' and 'c' values from your equation will help to find the value of 'x'.
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Can you answer 9, 10, 11?
Answer:
9. 1620°
10. 360°
11. 180°
Step-by-step explanation:
The answers of problems 10 and 11 give you the way to find the answer to problem 9.
__
10. The sum of exterior angles of any convex polygon is 360°.
__
11. An internal angle and an external angle are a linear pair, so always sum to 180°.
__
9. At every vertex, the sum of interior and exterior angles is 180°, so the total of those angles at all vertices is n·180°. Of that total, 360° is the sum of exterior angles, so the total of interior angles of an n-gon is ...
n·180° -360° = (n -2)·180°
For an 11-gon, the sum of interior angles is ...
(11 -2)·180° = 1620°
Which company’s tower holds the most water?
Answer: First Option
Step-by-step explanation:
The formula to calculate the volume of a cylinder is:
[tex]V = \pi(\frac{d}{2})^2*h[/tex]
Where d is the diameter of the cylinder and h is the height.
Notice that the term d is squared. This means that to increase the volume of a cylinder it is more efficient to increase its diameter as well. Therefore, look for the cylinder with the largest diameter among the options.
The first cylinder is 90 ft in diameter and 40 ft in height and its volume is
[tex]V = \pi(\frac{90}{2})^2*40[/tex]
[tex]V=254469\ ft^3[/tex]
You can verify that it is the tank that has the highest volume
what is another way to write the time half past 7
half an hour past 7, will be 7 plus 30 minutes then 7:30.
we could also come from the other way, and say is 30 minutes before 8 o'clock.
What is the converse of the statement?
"If x - 2 = 5, then x = 7"
ANSWER
"If x=7, then x - 2 = 5"
EXPLANATION
Let
[tex]p \to \: q[/tex]
be a propositional statement.
The converse of this statement is
[tex]q \to \: p[/tex]
In other words, the converse of the statement,
"If p then q" is "If q, then p"
The given given conditional statement is
"If x - 2 = 5, then x = 7"
Therefore the converse is
"If x=7, then x - 2 = 5"