Plz help me i need it

Plz Help Me I Need It

Answers

Answer 1

Answer:  [tex]a)\quad f^{-1}(x)=\sqrt[3]{\dfrac{x+5}{3}}[/tex]

Step-by-step explanation:

Inverse is when you swap the x's and y's and solve for y. Note: f(x) is y

[tex]y=3x^3-5\\\\\text{Swap the x's and y's:}\\x=3y^3-5\\\\\text{Add 5 to both sides:}\\x+5=3y^3\\\\\text{Divide both sides by 3:}\\\dfrac{x+5}{3}=y^3\\\\\\\text{Take cubed root of both sides:}\\\sqrt[3]{\dfrac{x+5}{3}}=y[/tex]


Related Questions

In the Stoneridge apartment complex, 35% of apartments have one bedroom. If there are 49 one-bedroom apartments, what is the total number of apartments at Stoneridge?

Answers

Answer:

140

Step-by-step explanation:

35/ 100 = 49/?

49 times 100 equals 4900

4900/35 is 140

Answer:71 Apartments

Step-by-step explanation: 35/49=x/100

49x=3500

x=71

50 points Item 15 Simplify the expression. (15k)2 The simplified expression is

Answers

30k just multiply the 2 by 15 and get 30k

The figure ABCD is made up of two different triangles.ABD is a right-angled triangle.AB=25 cm,AD=60 cm,BD=65 cm and CE=45 cm.Find the area of figure ABCD.​

Answers

the area of ABCD is 135

Answer:

2212.5 cm²

Step-by-step explanation:

ABCD is constructed from 2 right triangles ABD and BCD

The area (A ) of a triangle is calculated using the formula

A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )

In ΔABD, b = AD = 60 and h = AB = 25, hence

A = [tex]\frac{1}{2}[/tex] × 60 × 25 = 30 × 25 = 750 cm²

-----------------------------------------------------------------------------

In ΔBCD, b = BD = 65 and h = CE = 45, hence

A = [tex]\frac{1}{2}[/tex] × 65 × 45 = 1462.5 cm²

----------------------------------------------------------------------------

The area of figure ABCD = area of ΔABD + area of ΔBCD

A = 750 + 1462.5 = 2212.5 cm²

Evaluate this exponential expression 27/8^ 4/3 A. 9/2 B. 4/3 C. 81/16

Answers

Answer:

81/16

Step-by-step explanation:

This expression  27/8^ 4/3 is best written as

  27

( ------ )^(4/3)

    8

Noting that both 27 and 8 are perfect cubes, we rewrite this expression as

  27

[ ( ------ )^(1/3) ] ^4

    8

Note how 27^(1/3) = ∛27 = 3 and 8^(1/3) = ∛8 = 2, so we obtain:

     3

[ ( ------ ) ] ^4

      2

This can be left as is, or rewritten as

     3^4              81

[ ( -------- ) ]  =  --------

      2^4             16

The value of the given exponential expression will be 81/16. Then the correct option is C.

What is the value of the expression?

When the relevant components and basic processes of a numerical method are given values, the expression's result is the result of the computation it depicts.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

The expression is given below.

[tex]\rightarrow \left ( \dfrac{27}{8} \right)^{\frac{4}{3}}[/tex]

Simplify the expression, then we have

⇒ ∛[(27/8)⁴]

⇒ ∛[{(3/2)³}⁴]

⇒ ∛[{(3/2)⁴}³]

⇒ (3/2)⁴

⇒ 3⁴ / 2⁴

⇒ 81 / 16

The value of the given exponential expression will be 81/16. Then the correct option is C.

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Rate
Minutes Miles
0 0
5 3
10 7
15 12
20 17
25 21


The table shows how many miles Brandon has traveled after the specified period of time. Find Brandon's rate in miles per minute between 15 and 20 minutes. A) 1 mile per minute B) 5 miles per minute C) 12 miles per minute D) 17 miles per minute

Answers

Answer:

b

Step-by-step explanation:

Answer:

Option A. 1 mile per minute.

Step-by-step explanation:

Brandon has traveled after the specified period of time. The table shows his covered distance in a specific time.

Minutes    0     5     10     15     20     25

Miles         0    3      7      12      17      21

In this question we have to calculate speed per minute in between 15 and 20 minutes.

As we can see in the table from 15 to 20 minutes, he traveled :

17 - 12 = 5 miles  Time taken = 20 - 15 = 5 minutes

Speed = [tex]\frac{distance}{time}[/tex]

S =  [tex]\frac{5}{5}[/tex] = 1 mile per minute.

Option A) 1 mile per minute

QUICKKK
What is the image of (-1,-6) after a reflection over the x-axis ?

Answers

Answer:

I don't actually have an image but i think the coordinate point is (-6,1)

I hope this helps

Factor completely.

4p²+36p+81
Question 3 options:

(2p−9)2

(2p+9)2

(4p+6)2

Answers

The Answer is:

(2+9)2

For this case we must factor the following expression:

[tex]4p ^ 2 + 36p + 81[/tex]

We rewrite [tex]4p ^ 2\ as\ (2x) ^ 2\ and\\ \\81\ as\ 9 ^ 2[/tex]

So:

[tex](2p) ^ 2 + 36p + 9 ^ 2[/tex]

Verify the term of the medium:

[tex]2ab = 2 * (2p) * 9\\2ab = 36p[/tex]

We factor using the perfect square trinomial rule:

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

Where:

[tex]a = 2p\\b = 9[/tex]

So, we have:

[tex](2p + 9) ^ 2[/tex]

Answer:

Option b

Answer the question present in the picture

Answers

The solution step by step. 43 comes from adding all the given numbers together.

4x+6<-6
Solve for x put steps

Answers

First move the constant to the other side causing it to change sides

4x<-6-6

Then calculate the difference (-6-6)

4x<-12

Now divide both sides by 4

X<-3

Then you are left with your answer:

x<-3

Hope this helps! :3

Answer:

x < -3

Step-by-step explanation:

4x + 6 < - 6

Taking "6" from Left side of the equation to the right hand side, the sign "=6" changes to "-6", and we get,

4x < - 6 -6

Now, on right hand side, since both signs are same, therefore they add up to get,

4x < - 12

now, divide the complete equation by 4 we get,

4x/4 < -12/4

⇒ x < -3

Thus, the values that x can take are : -4,-5,-6,...-10....-20,....and so on

Minh is packing books into boxes. The mass of one of the boxes is 20 kilograms. If the box holds 10 books that each have the same mass, what is the mass of each book in grams?​

Answers

Final answer:

The mass of each book in the box is 2000 grams.

Explanation:

In this question, we are given the total mass of the books in a box and the number of books in that box. We are being asked to determine the mass of each book in grams.

We know that there are 10 books in the box and the total mass for all the books is 20 kg. As 1 kilogram is equal to 1000 grams, the total mass of the books in the box is 20 kg x 1000 g/kg = 20000 grams.

Now, to find the mass of each book, we divide this total mass by the number of books. Therefore, the mass of each book is 20000 g / 10 books = 2000 grams per book.

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Final answer:

Each book has a mass of 2,000 grams.

Explanation:

To find the mass of each book in grams, we need to convert the mass of the box from kilograms to grams by multiplying it by 1000.

So, 20 kilograms is equal to 20,000 grams.

Since there are 10 books in the box, we can divide the mass of the box by the number of books to find the mass of each book.

Therefore, each book has a mass of 2,000 grams.

Learn more about Mass here:

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Sylas and three of his friends are sharing some leftover enchiladas. If 1/3 of the enchiladas are left, how much will they each get?

Answers

Answer:

They will each get 1/12 of the enchiladas. This is because 1/4 of the 1/3 enchiladas is 1/12.

Please mark Brainliest if I'm correct!

what is the area of a square , in square feet , whose perimeter is 40 feet ?

Answers

Answer:

100 feet^2.

Step-by-step explanation:

What you do is based off the formula for the perimeter of a square which is 4a.

You will take the 40 and divide it by 4 to get 10.

Then you will take the formula for the area of a square which is a^2.

So you take 10 and square it to get 100.

Answer:

100² is the answer my guy

Step-by-step explanation:

PLEASE HELP!!Select the expressions that are equivalent to 3/4x^3 . Select all that apply.

Answers

Answer:

c.) (3x^ -3)/4

Step-by-step explanation:

when you move something from the top to the bottom or vice versa, it becomes negative or in this case, changes the sign

Answer:

im pretty sure its c

Step-by-step explanation:

Quotient to a Power Rule (4c^3/7b^4)^2 Enter the result.

Answers

Answer:

The result is 16c^6/49b^8.

A contractor is building a fenced-in area at a daycare. The area will be rectangular with the length of its base equal to half the length of the height. The total area will be 5000 square feet. Determine the length of fencing the contractor will use

Answers

Answer:

The length of fencing will be [tex]300\ ft[/tex]

Step-by-step explanation:

Step 1

Find the dimensions of the rectangle

we know that

The area of a rectangle is equal to

[tex]A=bh[/tex]

In this problem we have

[tex]A=5,000\ ft^{2}[/tex]

so

[tex]5,000=bh[/tex] -----> equation A

[tex]b=\frac{h}{2}[/tex] -----> equation B

Substitute equation B in equation A

[tex]5,000=(\frac{h}{2})h[/tex]

[tex]10,000=h^{2}[/tex]

square root both sides

[tex]h=100\ ft[/tex]

Find the value of b

[tex]b=\frac{h}{2}[/tex] -----> [tex]b=\frac{100}{2}=50\ ft[/tex]

step 2

Find the length of fencing

The perimeter of a rectangle is equal to

[tex]P=2(b+h)[/tex]

we have

[tex]h=100\ ft[/tex]

[tex]b=50\ ft[/tex]

substitute

[tex]P=2(50+100)=300\ ft[/tex]

Someone help me . I don’t know the answer!!

Answers

Answer:

the answer is x=8, y=7

Q is the midpoint PR.If PQ =2x and QR= x+8.What is PQ?

Answers

2x=x+8

Subtract x on both sides

X=8

So PQ=8

i got 5 to the power of 4 & it says it is incorrect. please help me out i also have no idea how that answer is wrong.

Answers

you are right, but remember since the base is an actual number then you need to raise 5 to the power of 4. Your answer is 625.

What is the solution to the equation g/13=52

A.4
B.19
C.650
D.676

Answers

Answer:

g=676

Step-by-step explanation:

g/13=52

We simplify the equation to the form, which is simple to understand  

g/13=52

Simplifying:

+ 0.0769230769231g=52

We move all terms containing g to the left and all other terms to the right.  

+ 0.0769230769231g=+52

We simplify left and right side of the equation.  

+ 0.0769230769231g=+52

We divide both sides of the equation by 0.0769230769231 to get g.

3.simplifyyyyyyyyyyyyyyyyyyy

Answers

Answer:

C. 7

Step-by-step explanation:

Answer:

(3+√2)(3-√2) =  7

Step-by-step explanation:

We have given a expression.

(3+√2)(3-√2)

We have to simplify above expression.

We use difference formula to solve above expression.

(a-b)(a+b) =   a²-b²

(3+√2)(3-√2) =  (3)²-(√2)²

(3+√2)(3-√2) =  9-2

(3+√2)(3-√2) =  7 which is the answer.

a cake recipe call for 2 1/2 cups of sugar. how many cups of sugar are needed to bake 5 cakes​

Answers

The number of sugar cups required will be 12.5.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

Given that a cake recipe calls for 2¹/₂ cups of sugar. The number of cups of sugar for 5 cakes will be calculated as,

Number = 5 x (  2¹/₂ )

Number = 5 x 2.5

Number = 12.5 cups

Therefore, the number of sugar cups required will be 12.5.

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Final answer:

To bake 5 cakes, you would need 12 1/2 cups of sugar by multiplying 2 1/2 cups, the amount needed for one cake, by the number of cakes.

Explanation:

To calculate how many cups of sugar are needed to bake 5 cakes when a single cake recipe calls for 2 1/2 cups of sugar, you can simply multiply the amount of sugar needed for one cake by the number of cakes you plan to bake. Therefore, you have:

2 1/2 cups of sugar/cake × 5 cakes = 12 1/2 cups of sugar.

Here's the step-by-step calculation:

First, convert the mixed number to an improper fraction: 2 1/2 cups = 5/2 cups.Multiply the amount needed for one cake by the number of cakes: (5/2 cups) × 5 = 25/2 cups.Convert the improper fraction back to a mixed number: 25/2 cups = 12 1/2 cups.

Therefore, you need 12 1/2 cups of sugar to bake 5 cakes.

Geomerty! Please Help!

Answers

Answer: the answer is 11

Step-by-step explanation: to find the value of x, you must find the average of the two bases. So the equation would be 56= 4x+2x-10. Once you simplify that, you get x=11.

0.5(4x-10 + 2x) = 28

3x-5=28

3x=33

x=11

What is the answer 7/6 + 13/6=

Answers

The answer is 20/6 or 10/3

Answer:

3 1/3

------------------

7/6 + 13/6

7 + 13 = 20/6

Now, since it's an improper fraction {20/6} you have to divide. 20 ÷ 6 = 3 2/6 you can simplify 2/6 so simplified to its max is 1/3.

- an improper fraction is when the numerator is bigger than the denominator.

Hope this helps

A local grocer cut his marketing budget by 38% last year. He spent only $650 on marketing this year and is happy with his decision. How much did the grocer spend on marketing last year?

Answers

Answer:

the amount the grocer spend on marketing last year = $ 1048.38

Step-by-step explanation:

To find the budget we will subtract the current marketing budget number from 100

As 38% = 0.38

i.e, 100 - 0.38= 0.62

Now divide the previous year budget amount percentage found by the amount spent this year

=650 / 0.62

= 1048.38

Final answer:

To find out how much the grocer spent on marketing last year, divide the current amount he spent by the remaining percentage of the original amount before the cut.

Explanation:

To find out how much the grocer spent on marketing last year, we need to determine the original amount before the 38% cut. Let's assume the original amount is x. If the grocer cut the marketing budget by 38%, it means he spent 100% - 38% = 62% of the original amount. The equation can be set up as: 0.62x = $650. To solve for x, divide both sides of the equation by 0.62. So, x = $650 ÷ 0.62 = $1048.39.

What is the value of x?​

Answers

Answer:

x = 25

Step-by-step explanation:

To find the answer, use the Pythagorean Theorem.

a^2 + b^2 = c^2

7^2 + 24^2 = c^2

49 + 576 = c^2

625 = c^2

25 = c

Answer:

x = 25

Step-by-step explanation:

By Pythagorean Theorem

AC² = AB² + BC²

(x)² = (24)² + (7)²

(x)² = 576 + 49

(x)² = 625

x = 25

-TheUnknownScientist

The number of tourists at the beach per weekend in July was 55,000. In November, the number of tourists per weekend was 18,000. Find the percent change from July to November?

Answers

Answer:

32.7 percent

Step-by-step explanation:

18000 divided by 55000

180 in. = ___ yd



cant rememb how many ft are in a yard

Answers

there are 3 feet per yard

divide 180 by 3 to find out how many yards there is

ANSWER: 90
5 yd.



There are 12 inches in a foot, and 3 feet in a yard.

So, divide 180/12 to get the number of feet. You get 15 feet.

Now, divide 15 feet by 3 to get the number of yards. You get 5 yards.



Please consider marking this answer as Brainliest to help me advance.

How many 1 3 ounce servings are available in 6 ounces? A) 10 servings B) 14 servings C) 18 servings D) 24 servings

Answers

Answer:

Step-by-step explanation:

the answer is 18

What is the surface area of the triangular prism?


[Not drawn to scale]

54 square feet
67.5 square feet
81 square feet
85.5 square feet

Answers

Answer:

The answer is the third

The surface area of prism = 81 ft²

Step-by-step explanation:

∵ The triangular prism has 5 faces

- Two triangles ⇒ bases

- 3 rectangles ⇒ side faces

* to find the surface area of it, we will find the area of

 each face and add them together

- Area of bases:

∵ The bases are right angle triangles with base 6 ft and height 4.5 ft

∵ Area triangle = 1/2 × base × height

∴ Area one base = 1/2 × 6 × 4.5 = 13.5 ft²

∴ Area two bases = 13.5 × 2 = 27 ft² ⇒ (1)

- Area of the first rectangle with dimensions 3 ft and 6 ft

∵ Area rectangle = L × W

∴ Area 1st rectangle = 3 × 6 = 18 ft² ⇒ (2)

- Area of the second rectangle with dimensions 3 ft and 7.5 ft

∴ Area 2nd rectangle = 3 × 7.5 = 22.5 ft² ⇒ (3)

- Area of the third rectangle with dimensions 3 ft and 4.5 ft

∴ Area 3rd rectangle = 3 × 4.5 = 13.5 ft² ⇒ (4)

Add (1) , (2) , (3) and (4)

∴ The surface area of prism = 27 + 18 + 22.5 + 13.5 = 81 ft²

Answer:

81

Step-by-step explanation:

sara has 24 sweets
tim also has 24 sweets
sara gives tim x sweets
sara then eats 7 of her sweets
tim then eats half of his sweets
write an expression for the number of sweets sara and tim have now

Answers

I'm not sure, but I think this is the answer.

Answer:

Sara has 24-x-7

Tim has 24+x/2

Explanation:

So for Tim, He had 24 and received x no of sweets from Sara, so

24+x

After that, he ate half of it, so

24+x/2

Now for Sara, She had 24 and gave Tim x no of sweets, so

24-x

After that, she ate 7 of it, so

24-x-7

Hope it helps

The expression for the number of sweets Sara and Tim have now after sharing and eating some is represented as 29 - 0.5x.

Expression for the number of sweets Sara and Tim have now:

Sara gives Tim x sweets, so Sara has 24 - x sweets and Tim has 24 + x sweets.

After Sara eats 7 of her sweets, she has 24 - x - 7 = 17 - x sweets left.

Tim eats half of his sweets, so he has (24 + x) / 2 = 12 + 0.5x sweets left.

The total number of sweets Sara and Tim have now is: (17 - x) + (12 + 0.5x) = 29 - 0.5x.

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