7x+5=6x I don’t get this because I have no idea what to subtract by, and I know the answer is -5 but I have no idea how to get there

Answer:

Step-by-step explanation:

∛1100

Answer:

10.324

Step-by-step explanation:

I doesn't have a perfect cube root

Answer:

(3, 4)

Step-by-step explanation:

Answer:

sorry , i don't

know

Step-by-step explanation:

Answer:

12/6 but if you simplify it's 2

Step-by-step explanation:

4+8 = 12

6-3 = 3

2 x 3 = 6

12/6 = 2

Answer:

-23+-22=-45

Step-by-step explanation:

In this type of question if he wants the consequtive divided number over 2 and choose the result number and pervious or next one it is depend on the questions

Answer:

The two integers will be/ are - 23 and - 24

2.45

add the 2 numbers and divide by 2

The cost of purchase of the employee for a shirt worth $46.99 is $42.30 .

In the question , It is given that

amount of discount  employee receives = 10%

Price of the shirt = $46.99        ...(i)

amount of discount the employee got for the shirt = 10% of 46.99

= 0.10*46.99             ...(as 10%=0.10 )

= 4.699           ...(ii)

So the amount of discount the employee got for the shirt = $4.699

The cost of purchase = Price of shirt - discount

Substituting the values from equation (i) and equation (ii) we get,

cost of purchase = 46.99 - 4.699

= 42.291

≅ 42.30

Therefore , the cost of purchase of the employee for a shirt worth $46.99 is $42.30 .

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Carlos read 29 pages on Thursday.

So Let, the pages read by Carlos on Thursday and Friday be x as on Thursday and Friday he read the same number of pages.

Now, solve the equation fr x as follows:

So, Carlos read 29 pages on Thursday and Friday.

Therefore, Carlos read 29 pages on Thursday.

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The expression can be used to solve the equation 2x - 1 = x + 2 is 3 which is option (B) .

We have given an expression [tex]2x-1=x+2[/tex]  .

On solving , we get

   [tex]2x-x=2+1\\x=3[/tex]

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The complete question is mention below :

Which expression can be used to solve the equation 2x-1=x+2 ?

A. 1

B.3

C.5

D.4

The number of the sets  is the  {1, 2/5,4/5,8/5}.

According to the statement

We have to find that the sets of numbers.

So, For this purpose, we know that the

A set of numbers is a collection of numbers, called elements. The set can be either a finite collection or an infinite collection of numbers.

From the given information:

The set or sets of numbers that belong to -8/5.

For make a set of the numbers we have to find the those number which are the divisible on the number -8/5.

Then

Let the number 1, 2/5,4/5,8/5.

And these are the numbers which are the divisible on the -8/5 and give some perfect value like 1, 2 etc.

The set of the numbers = {1, 2/5,4/5,8/5}

So, The number of the sets  is the  {1, 2/5,4/5,8/5}.

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Answer:

The function is exponential

Its equation is [tex]y = \frac{7}{3} \cdot(\frac{1}{3} )^x[/tex]

Step-by-step explanation:

We can see that, as x increases by a constant y increases by a factor of [tex]\frac{1}{3}[/tex]

So the table represents an exponential equation

The form of the equation is [tex]a\cdot(\frac{1}{3})^{x}[/tex]

All we have to do is determine a

Take the entry for x = 0

At x = 0, the equation becomes y = [tex]a\cdot(\frac{1}{3}) ^ 0[/tex]

Any number raised to the power 0 is 1

So at [tex]x = 0, y = a\cdot1 = a[/tex]

But we know the y value at x = 0 is [tex]\frac{7}{3}[/tex]

So [tex]a = \frac{7}{3}[/tex]

The equation of the function is

[tex]y = \frac{7}{3} \cdot(\frac{1}{3} )^x[/tex]  

We can verify by plugging in a few values for x into the above equation and seeing if the corresponding calculated values concur with the one in the table

For [tex]x = - 1, y = \frac{7}{3}\cdot (\frac{1}{3})^{-1} = \frac{7}{3}\cdot 3 = 7[/tex]

You can try the other x values and see that computed and given y values concur

Step-by-step explanation:

-3a + 10 < -11

-3a < -21

-a < -7

a > 7

remember, when multiplying with a negative number the inequality sign flips the direction.

After the conclusion we can conclude that the fraction  [tex]-4\frac{66}{100} < -4\frac{3}{4}[/tex].

First, we need to make both denominators the same in order to find which fraction is greater and less than.

So,

Hence, -1336/400 < -1300/400

Therefore, the fraction  [tex]-4\frac{66}{100} < -4\frac{3}{4}[/tex].

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Answer: 5x6+12=42

Step-by-step explanation: Hope This Helps!!

Thea expression in simplest form is 10.7a + (−6) . Option D

Algebraic expressions are expressions that comprise of variables, terms, coefficients and constants.

They are also made up of certain mathematical operations.

Given the expression;

(3 + 16.4a) − (9 + 5.7a)

expand the bracket

3 + 16. 4a - 9 - 5. 7a

collect like terms

16. 4a - 5. 7a - 9 + 3

add or subtract like terms

10. 7a - 6

Thus, the expression in simplest form is 10.7a + (−6) . Option D

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After the expansion of the series represented by -

∑ r(r + 1)   [r = 0 to r = 5] , we can say that the -

1st term of series = 0

2nd term of series = 2

3rd term of series = 6

Last term = 30

A series is the sum of a few or all elements of the sequence in which the elements are arranged according to some specific pattern.

Given in the question is a series represented by -

∑ r(r + 1)    [r = 0 to r = 5]

We can determine any term of this series by replacing it with r. The series given to us however only contains six terms. So, we will write the complete series in numeral form and then determine the terms.

We have -

∑ r(r + 1)    [r = 0 to r = 5]

Expanding the series, we get -

∑ r(r + 1)    [r = 0 to r = 5] = (0 x 1) + (1 x 2) + (2 x 3) + (3 x 4) + (4 x 5) + (5 x 6).

∑ r(r + 1)    [r = 0 to r = 5] = 0 + 2 + 6 + 12 + 20 + 30.

Hence, the numeral form of the series with elements position is -

0 + 2 + 6 + 12 + 20 + 30.

[1]   [2]  [3]   [4]   [5]     [6]

Therefore, after the expansion of the series represented by -

∑ r(r + 1)   [r = 0 to r = 5] , we can say that the -

1st term of series = 0

2nd term of series = 2

3rd term of series = 6

Last term = 30

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Answer:

Step-by-step explanation:

D

The value of the  angle of the quadrilateral is 80° .

A quadrilateral in geometry is represented as a four-sided polygon with four  corners (vertices) and four sides .

Given angles of the quadrilateral are 110° ,90⁰ and 80⁰.

Now let us consider the fourth angle be x.

∴110°+ 90⁰ + 80⁰ + x = 360°

or, x = 360° - (280°)

or, x = 80°.

The missing angle of the quadrilateral is 80°

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The possible solution for x can be 22.5.

We are given that the side of the regular pentagon = 2 x + 9

So, the perimeter will be:

P ( Regular pentagon) = 5 × ( 2 x + 9 )

P ( Regular pentagon) = 10 x + 45

Also, we are given that the side of a square is 3 x

Perimeter will be:

P ( square) = 4 × 3 x

P ( square) = 12 x

Now, we are given that P ( Regular pentagon) = P ( square)

So, we get that:

10 x + 45 = 12 x

12 x - 10 x = 45

2 x = 45

x = 45 / 2

x = 22.5

Therefore, the possible solution for x can be 22.5.

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Your question was incomplete. Please refer the content below:

A regular pentagon has a side length of 2x-9. A square has a side length of 3x. If both polygons have the same perimeter, what is a possible solution of x?

Answer:

16 1/2 miles

Step-by-step explanation:

If 1 inch = 11 miles and the distance between cities is 1 1/2 inches, then we can solve by multiplying [tex]1 \frac{1}{2} *11=16 \frac{1}{2}[/tex].

Hope this helps!

Answer:

118

Step-by-step explanation:

We need to calculate the surface square of the cylinder. The formula for that is S=2*pi*r*(r+h). r is radius of the cylinder which is diameter/2=3/2=1.5. The formula becomes: S=2*pi*1.5(1.5+11)=37.5pi=~117.5 which is approximated to 118 since if the decimal you're approximating is 5 or higher it just increments the previous one, so here we just add 1 to 117

Answer: -$150

Step-by-step explanation:

withdrawal is removing funds from bank account.

withdrawals of $25 ==> -$25 change

-25*6=-$150

Answer:

400,000

Step-by-step explanation:

➟ 10 × 4 ten thousand

Since, a ten thousand = 10,000 therefore 4 ten thousand = 40,000

➟ 10 × 40,000

➟ 400,000

Answer:

x = 2

Step-by-step explanation:

Hello!

Solve for x by isolating the variable.

The value of x is 2.

x = 1, y = -1 and z = -2.

Here, we are given 3 equations-

4x+12y+4z = -16 ...(1)

12x-12y+8z = 8   ...(2)

4x+12y-4z = 0    ...(3)

Firstly, we add equations 1 and 2, we get,

4x + 12y + 4z + 12x - 12y + 8z = -16 + 8

16x + 12z = -8

4x + 3z = -2 ...(4)

Adding 2 and 3, we get,

12x - 12y + 8z + 4x + 12y - 4z = 8

16x + 4z = 8

4x + z = 2 ...(5)

Now, subtracting equation 4 from 5, we get-

4x + z - 4x - 3z = 2 + 2

-2z = 4

z = 4/-2

z = -2

Thus, 4x - 2 = 2

4x = 4

x = 4/4

x = 1

and 4(1) + 12y + 4(-2) = -16

4 + 12y -8 = -16

12y = -16 + 4

12y = -12

y = -12/12

y = -1

Thus, x = 1, y = -1 and z = -2.

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The width of the table is 63 because 21 x 3 = 63

Answer:

(5,6)

Step-by-step explanation:

subtract 7-2 and add 3+3.