If the area of a square is 49 square inches, how long must each side be?

Answers

Answer 1
Area of a square=(side)²
or,49 = (side)²
or,side = √49 or 7

So, each side is 7 inch long
Answer 2
Hello There!

As you may know, all sides of a square are equal.
Area = side².
In this case:
49 = side²
side = √49
side = 7.
Each side is 7 square inches.

Hope This Helps You!
Good Luck :) 

- Hannah ❤

Related Questions

what is 6 divided by 46.8

Answers

the rounded answer of this question is 0.128 or 0.13
6 divided by 46.8 would be .1282

relative maxima and relative minima are called relative_____.

Hint: first 2 letters are ex

Answers

Relative maxima and relative minima extrema

Relative maxima and relative minima are called relative extrema.

Given:

The given statement is:

Relative maxima and relative minima are called relative_____.

To find:

The correct word to fill the given blank.

Explanation:

Relative maxima: If the function changes from increasing to decreasing, then the turning point is known as relative maxima.

Relative minima: If the function changes from decreasing to increasing, then the turning point is known as relative minima.

Relative extrema: The turning points relative maxima and relative minima are known as relative extrema.

Therefore, the relative maxima and relative minima are called relative extrema.

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Which property can be used to remove the parentheses in the expression 1.7(x+9)

Answers

The distributive Property
The distributive property.

2. Consider the function . a.) Find the inverse of f(x) and name it g(x). Show and explain your work. b.) Use composition to show that f(x) and g(x) are inverses of each other. c.) Draw the graphs of f(x) and g(x) on the same coordinate plane. Explain what about your graph shows that the functions are inverses of each other.

First correct answer will get 25 pts and brainliest!!!! So please help! :D

Answers

Part A:

Given that [tex]f(x)= \frac{1}{3} x+2[/tex], we find the inverse g(x) as follows:

First, we rewrite the function as: [tex]y=\frac{1}{3} x+2[/tex]

Next, we switch x and y and then solve for y as follows:

[tex]x=\frac{1}{3} y+2 \\ \\ \frac{1}{3} y=x-2 \\ \\ y=3(x-2) \\ \\ y=3x-6[/tex]

We then rewrite the equation using function notation to get:

[tex]g(x)=3x-6[/tex]



Part B:

For two function that are inverse of each other, the composition of the two functions gives x.

Thus,

[tex]f \circ g=f(g(x))=f(3x-6)= \frac{1}{3} (3x-6)+2=x-2+2=x \\ \\ g\circ f=g(f(x))=g( \frac{1}{3} x+2)=3( \frac{1}{3} x+2)-6=x+6-6=x \\ \\ \therefore f\circ g=g\circ f=x[/tex]

Since, f o g = g o f = x, hence g(x) is the inverse of f(x).



Part C:

The graphs of f(x) and g(x) are attached.

From the graph it can be seen that the prperties of both graphs are similar, the properties of one graph in the x-axis correspond to the properties of the other graph in the y-axis and vice-versa. Also, the two lines intersect at a point were x = y.

What is the slope ? Simplify your answer and write it as a proper fraction improper fraction or integer

Answers

your answer would be 3/1 or 3
3/4 is the answer to the question

if f(x)=2x-4 find f(q+1)

Answers

The value of f(q+1) is 2(q-1).

What is a function?

A relation or expression involving one or more variables.

Given that, f(x) = 2x - 4

When x = q+1

f(q+1) = 2(q+1) - 4

f(q+1) = 2q + 2 - 4

f(q+1) = 2q - 2

f(q+1) = 2(q-1)

Hence, the value of f(x) when x = (q+1) is 2(q-1)

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If (1, 2) and (3, 4) lie on the same line, give the slope-intercept equation of the line.

Answers

The slope of the line is  (4-2) / (3-1) = 2/2 = 1 
y - y1 = x - x1 
here x1 = 1 and y1 = 2 :-
y - 2 = x - 1
y = x + 1 <---- Answer

Final answer:

The slope-intercept equation of the line that passes through (1, 2) and (3, 4) is y = x + 1, with a slope of 1 and a y-intercept of 1.

Explanation:

To find the slope-intercept equation of a line that passes through the points (1, 2) and (3, 4), we first need to determine the slope of the line. We use the formula for the slope (m) given by the change in y over the change in x, or Δy/Δx. Calculating the slope, we get:

m = (4 - 2) / (3 - 1) = 2 / 2 = 1.

Now we have the slope, we can use the slope-intercept form of the line, which is y = mx + b, where m is the slope and b is the y-intercept. Plugging in one of the points, say (1, 2), into this equation gives us:

2 = (1)(1) + b

Which simplifies to:

b = 2 - 1 = 1

So the y-intercept (b) is 1. Therefore, the slope-intercept equation of the line is:

y = x + 1

Suppose f(x) = x2 and g(x) = 4x2. Which statement best compares the graph of g(x) with the graph of f(x)?


A. The graph of g(x) is the graph of f(x) vertically compressed by a factor of 4.
B. The graph of g(x) is the graph of f(x) horizontally stretched by a factor of 4.
C. The graph of g(x) is the graph of f(x) vertically stretched by a factor of 4.
D. The graph of g(x) is the graph of f(x) shifted 4 units left.

Answers

Given:
f(x) = x²
g(x) = 4x²

Therefore
g(x) = 4f(x)
This means that the value of g(x) is 4 times the value of f(x). So the graph og (x) is the graph of f(x) vertically stretched by a factor of 4.

The graph shown below confirms the conclusion.

Answer: C.
The graph of g(x) is the graph of f(x) vertically stretched by a factor of 4.

What's the ordered pair ?

Answers

The answer will be the set of points that contains a different x value for each point.

We clearly see that for ever point in terms of CHOICE C the value of x is different.

Answer: Choice C

A family is comparing different car seats. One car seat is designed for a child up to and including 30 lb. Another car seat is designed for a child between 15 lb and 40 lb. A third car seat is designed for a child between 30 lb and 85 lb, inclusive. Model these ranges on a number line. Represent each range of weight using interval notation. Which car seats are appropriate for a 32-lb child?

Answers

The number lines should show the weights the car seats are designed for in comparison the the weight of the 32lb child. The car seat made for children 30lb and lighter would not work because this child is 32lbs. Model this by placing a filled in circle at 30 and the arrow should face left. The seat for children between 15lbs and 40lbs and the seat designed for a child that is between 30lbs and 85lbs would work because the child is within these weight ranges. The number line for the seat for a 15lb-40lb child would have open circles at 15 and 40 with a line connecting the two points. The number line for a 30lb-85lb child should have filled in circles at these two point with a line connecting them.

The interval notation is:

0 < x ≤ 30; 15 < x < 40; 30 ≤ x ≤ 85;

The  second and third car seats are suitable.

The number lines shows the weights of the car seats which is designed for in comparison the weight of the 32lb child.

Three car seats are designed as follows:

The car seat made for children upto 30lb. The seat for children between 15lbs and 40lbs andThe seat designed for a child between 30 lb and 85 lb

As the seat designed for a child upto and including 30 lb would not be suitable for 32 lb child. Because 32lb is more than the 30 lb.

Now, the seat designed for a child between 30 lb and 85 lb, 30lbs and 85lbs would be suitable as the child is within these weight ranges that is 32lb.

The interval notation is:

0 < x ≤ 30; 15 < x < 40; 30 ≤ x ≤ 85;

The  second and third car seats are suitable.

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after 5 years what is the total amount of a compound interest investment of 32,000 at 3% interest, compounded quarterly
A.57.795.56
B.32,426.67
C.43,099.36
D.37,157.89

Answers

The answer is 37,157.89

2x to the fourth power + 5x squared + 3, factored

Answers

We want to factor:
[tex]2x^4+5x^2+3[/tex]

This may seem tricky because of the high powers, but remember that [tex]x^4=(x^2)^2[/tex]. Then we can factor it as:
[tex]2x^4+5x^2+3=(2x^2+3)(x^2+1)[/tex]
(x squared+1)(2x squared+3)

Kate earns $8.50 per hour. How much money will she earn after working 8 hours? She will earn $.

Answers

just do 8.5 times 8, then you will your answer
8 hours * $8.50 would equal her earning $68 :) (sorry for the super late reply i got distracted by memes)

"you buy a baseball bat and a ball for $1.10. the baseball bat costs $1.00 more than the ball. how much did the ball cost?"

Answers

10 cents because the total was a dollar 10 and the bat cost cost a dollar so you would subtract that and you would be left with 10 cents thus being the ball

Add -12+20, Then divide the sum by -4

Answers

-12 + 20 would equal 8, and -8 divided by -4 would equal 2.

Add -12 and 20 to get 8
divide 8 by -4 and get -2

Which equation is the inverse of y = x2 – 36?

Answers

its B.y=±√​n+36​​​       

i hope that helps 

Answer:

The given equation of the curve is

 y= x² - 36

To find it's inverse we have to convert y in terms of x.

So, adding 36 to both sides of equation

→ y + 36=x² -36 + 36

→ y + 36 = x²

→ x² = y+ 36

→ x =[tex]\pm[/tex][tex]\sqrt{y+36}[/tex]

Now, to find inverse you can replace x by y, so by replacing x by y, the above equation becomes

y =[tex]\pm\sqrt{x+36}[/tex]

Second option is correct.





Circle J and circle K are shown in the diagram below.

What is the total number of lines of tangency that are common to circle J and circle K?
3
2
4
1

Thank you!

Answers

Check the picture. There are 2 interior common tangents, and 2 exterior common tangents which can be drawn.

Answer: 4

Which irrational number can be multiplied by negative square root of 41 to get a product that equals 1?

Answers

that would be  -1 / √41

-√41  * -1 / √41    = √41 / √41  = 1

For this case we define the following variable:

x: unknown number

We then have the following equation:

[tex]- \sqrt {41} x = 1[/tex]

From here, we clear the value of x.

We have then:

[tex]x = - \frac {1} {\sqrt {41}}[/tex]

Answer:

An irrational number that can be multiplied by negative square root of 41 to get a product that equals 1 is:

[tex]x = - \frac {1} {\sqrt {41}}[/tex]


The m6 = (11x + 8)° and m7 = (12x – 4)° What is the measure of 4? m4 = 40° m4 = 48° m4 = 132° m4 = 140°

Answers

You first want to take note that m6 & m7 are vertical angles. Vertical angles are equal to each other, therefore m6 is equal to m7.

m6 = m7

It tells us what m6 and m7 are in the problem, so we can replace m6 with "11x + 10" and m7 with "12x - 4." From there, we can solve for x and find out what the angles are in degrees.

m6 = m7

Replace m6 and m7.

11x + 8 = 12x - 4

Subtract 11x from both sides.

11x + 8 - 11x = 12x - 4 - 11x

8 = x - 4

Add 4 to both sides.

8 + 4 = x - 4 + 4

12 = x

Now that we have x, we can find m6 and m7.

m6 = 11x + 8

m6 = 11(12) + 8

m6 = 132 + 8

m6 = 140

And for m7.

m7 = 12x - 4

m7 = 12(12) - 4

m7 = 144 - 4

m7 = 140

From here, we can find m8 because m8 and m6 together are a straight line. Straight lines have an angle of 180 degrees.

m6 + m8 = 180

Replace m6 with 140.

140 + m8 = 180

Subtract 140 from both sides.

140 + m8 - 140 = 180 - 140

m8 = 40

Now that we have m8, we can find m4.

Because of the properties of parallel lines and transversals, we know that

m1 = m5

m2 = m6

m3 = m7

m4 = m8

Since we know m8 = 40 and m4 = m8, we can replace m8 with 40 to get m4 = 40.

The measure of angle 4 is 40°. That is, m4 = 40°. The correct option is the first option m4 = 40°

From the diagram, we can observe that angles 6 and 7 are vertically opposite angles.

From one of the angle theorems, we have that vertically opposite angles are equal

That means,

measure of ∠ 6 = measure of ∠ 7

From the question,

we have that, m6 = (11x + 8)° and m7 = (12x – 4)°

Since, the measures of angles 6 and 7 are equal, then we can write that

(11x + 8)° = (12x – 4)°

Now, determine the value of x, we will solve the equation

11x + 8 = 12x – 4  

First, subtract 11x from both sides

11x - 11x + 8 = 12x - 11x - 4

8 = x - 4

Now, add 4 to both sides

8 + 4 = x -4 +4

12 = x

∴ x = 12

Now, we will determine the measure of ∠6

m ∠6 = (11x + 8)°

Put x = 12

∴ m ∠6 = (11(12) + 8)°

m ∠6 = (132 + 8)°

m ∠6 = 140°

To determine the measure of ∠4, m4, we will first determine the measure of ∠8.

From the diagram,

m ∠6 + m ∠8 = 180° (Sum of angles on a straight line)

∴ 140° + m ∠8 = 180°

Then,

m ∠8 = 180° - 140°

m ∠8 = 40°

From the diagram, we can observe that angles 4 and 8 are corresponding angles.

Also, from one of the angle theorems, we have that corresponding angles are equal.

Hence, the measure of ∠ 4 equals the measure of ∠ 8.

From above, m ∠8 = 40°

∴ m ∠4 = 40°

Hence, the measure of angle 4 is 40°. That is, m4 = 40°. The correct option is the first option m4 = 40°

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Ricarda earns a $25 allowance each week. How much allowance will she earn after 7 weeks. Explain how to use mental math to solve.

Answers

25*7=175 dollars

(1)   5*7=35,write down 5 and advance the 3
(2)   2*7=14, 14+3(from step one)=17 write down 7 and advance the 1
(3)   since there is no more digits to do calculations, write down the 1
the answer is 175

(is this the mental math you re talking about?)

If George received $ 78.00 for his work at Weaver's Store, and he was paid $ 6.00 per hour, how many hours did he work?

Answers

13 hours
78.00 ÷ 6.00 equals 13 hours
6×13 equals 78
If he earns $78 and gets $6/hr, then you divide how much he earned by how much he makes.

78 / 6 = 13

He worked 13 hours to get paid $78.00

Hope this helps!

decimals between 3.0 and 3.8 with an interval of 0.2 between each pair of decimals

Answers

Just add 0.2 to 3.0 and the number after:

3.0, 3.2, 3.4, 3.6, 3.8

Hope I helped :)

Answer:

Decimals between 3.0 and 3.8 with an interval of 0.2 between each pair of decimals are:

3.2,3.4 and 3.6

Step-by-step explanation:

We have to find decimals between 3.0 and 3.8 with an interval of 0.2 between each pair of decimals

3.0

3.0+0.2= 3.2

3.2+0.2= 3.4

3.4+0.2= 3.6

3.6+0.2= 3.8

Hence, decimals between 3.0 and 3.8 with an interval of 0.2 between each pair of decimals are:

3.2,3.4 and 3.6

How would you graph the solution set of ≤ -18?

closed circle on -3 and shaded to the right
closed circle on -3 and shaded to the left
closed circle on -108 and shaded to the right
closed circle on -108 and shaded to the left

Answers

Option 4, closed circle on -18 and shaded to the left.

Faith xoxo

Answer:

Closed circle on -108 and shaded to the left, I took the same lesson and got 100%

Step-by-step explanation:

But your missing part of the question, it's how would you graph the solution set of x/-6 ≤ -18?

In a company, it takes 4 employees 4 days to complete a task. It would take 2 employees 8 days to complete the same task. Which function can be used to represent e, the number of employees working on the task, and d, the number of days it takes them to complete that task?

Answers

The function representing the relationship between the number of employees and the number of days it takes to complete the task is[tex]\[ e \times d = 16 \][/tex].

To represent the relationship between the number of employees (e) and the number of days (d) it takes to complete a task, we can use the formula:

[tex]\[ e \times d = k \][/tex]

where  k is a constant representing the amount of work to be done.

Given the information that 4 employees complete the task in 4 days, and 2 employees complete it in 8 days, we can set up two equations using the formula:

[tex]\[ 4 \times 4 = k \][/tex]

[tex]\[ 2 \times 8 = k \][/tex]

Now, solve each equation for ( k):

[tex]\[ 4 \times 4 = 16 \][/tex]

[tex]\[ 2 \times 8 = 16 \][/tex]

Since both equations give us the same constant ( k ), we can conclude that:

[tex]\[ e \times d = 16 \][/tex]

Therefore, the function representing the relationship between the number of employees and the number of days it takes to complete the task is:

[tex]\[ e \times d = 16 \][/tex]

Determine whether 2y=3x-1 represents a direct variation. if it​ does, find the constant of variation.

Answers

Answer choices for this question? 

The equation 2y=3x-1 does not represent a direct variation in its strict definition, as it includes a y-intercept. If the y-intercept is ignored, the constant of variation would be k = 3/2.

The equation 2y=3x-1 represents a direct variation if it can be written in the form y = kx, where k is the constant of variation. To determine if this equation represents a direct variation, we can solve it for y:

Divide both sides of the equation by 2 to isolate y:
y = (3/2)x - 1/2.

Since we can express y as an equation of the form y = kx + b, with b being a constant, it does not represent a pure direct variation, as direct variation should have a form y = kx without the constant term.

However, if the question is interpreted to include such linear relationships as direct variations despite the y-intercept, then the constant of variation would be k = 3/2.

What is a quick way to determine which savings account will pay the most interest?


Answers

I would say the quickest way is to go to some banks and asks them how much interests they give you... then the bank that gives you the most interest, the bank that you are looking for.
The interest rate or percent of interest, and the higher the rate and the more it gives is what you are looking for

Which will result in a difference of squares? (–7x + 4)(–7x + 4) (–7x + 4)(4 – 7x) (–7x + 4)(–7x – 4) (–7x + 4)(7x – 4)

Answers

a difference of squares
a^2 – b^2 = (a + b)(a – b)
in this case

(–7x + 4)(–7x – 4)

answer
(–7x + 4)(–7x – 4)

Answer:

(–7x + 4)(–7x – 4) Sign changes in the middle of both parenthesis , so this will result in difference of squares

Step-by-step explanation:

The formula for difference of squares

[tex]a^2 - b^2 =(a+b)(a-b)[/tex]

(–7x + 4)(–7x + 4) both parenthesis having same terms so this will not result in difference of squares

(–7x + 4)(4 – 7x) both parenthesis having same terms so this will not result in difference of squares

(–7x + 4)(–7x – 4) Sign changes in the middle of both parenthesis , so this will result in difference of squares

(–7x + 4)(7x – 4) sign changes for both terms in both parenthesis so this will not result in difference of squares

PLEASE HELP ASAP!!!!!





Carl, Brian, Dave, and Ashley want to attend the same university. Unfortunately only two spots remain and these four friends have the same GPA, as well as virtually identical community service and leadership experiences. Therefore, the two spots will be determined by their SAT and ACT scores. Carl scored 1,280 on the SAT, while Brian scored 1,325. Dave scored 28 on the ACT, while Ashley scored 30. Use z-scores to determine which two students should be admitted. The mean SAT score was 1,000 with a standard deviation of 175 and the mean ACT score was 20.6 with a standard deviation of 5.2 Both tests are normally distributed.

Answers

Calculate the four z-scores pertaining to this data, and then compare them.  The two students with the highest z-scores are offered admission.
                           28-20.6
For Dave:  z = ----------------  =  1.42
                            5.2

Find the z scores for the other 3 students.  Rank your results in ascending order.  Take the 2 students whose z scores are greater than the remaining z scores.
Use z = (x - μ)/σ for all 4 people.

Carl:

z = (x - μ)/σ

z = (1280 - 1000)/175

z = 1.6

Brian:

z = (x - μ)/σ

z = (1325 - 1000)/175

z = 1.9

Dave:

z = (28 - 20.6)/5.2

z = 1.42

Ashley:

z = (x - μ)/σ

z = (30 - 20.6)/5.2

z = 1.81

Using the z-scores for each student above, the following two students should be admitted into the university:

Brian based on his SAT score and Ashley based on her ACT score.

Which of the following statements describes the process for solving 4x ≥ -24?

Divide both sides of the inequality by -24 and flip the symbol.
Divide both sides of the inequality by -24 but don't flip the symbol.
Divide both sides of the inequality by 4 and flip the symbol.
Divide both sides of the inequality by 4 but don't flip the symbol.

Answers

Divide both sides of the inequality by 4 but don’t flip the symbol.

You only flip the inequality symbol if you divide by a negative number.

If you’re solving for x (which you are), you want to get x by itself. The only way to do that is to divide by 4.

Answer:

Your answer would be D.

Step-by-step explanation:

1) which expression forms an equation with the given expression?
18-4•3=______
A. 8•4÷4
B. 14-11•2
C. 3(12-9)
D. 12÷3+3
2) choose the expression that completes the equation
24÷6+20=_____
A. 3(7+1)
B. 2(7+10)
C. 4(4+3)
D. 3(7+7)
HELP PLEASEEE

Answers

1) 18-4*3= 6
A. 8*4/4= 8
B. 14-11*2= -8
C. 3(12-9)= 9
D. 12/3+3= 7
The answer for (1) is none of the above, is there a problem with the question?

2)24/6+20= 24
A. 3(7+1)= 24
B. 2(7+10)= 34
C. 4(4+3)= 28
D. 3(7+7)= 42

The answer for (2) is A. 3(7+1)
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