Σ (4m2 + 4)
= 1
how do i rewrite each series as a sum?

The question is incomplete:

The telephone company offers two billing plans for local calls. Plan 1 charges ​$38 per month for unlimited calls and Plan 2 charges ​$18 per month plus ​$0.04 per call.

Use an inequality to find the number of monthly calls for which plan 1 is more economical than plan 2.

Answer:

Plan 1 is more economical than plan 2 when you make more than 500 monthly calls.

Step-by-step explanation:

Plan 1 costs $38 per month for unlimited calls and plan 2 costs $18 per month plus ​$0.04 per call which is: 18+0.04x and you can infer that plan 1 would be cheaper when you have to pay more than $38 using plan 2 and you can express it with the inequality:

18+0.04x>38, where x is the amount of monthly calls

Now, you can solve for x:

0.04x>20

x>20/0.04

x>500

According to this, plan 1 is more economical than plan 2 when you make more than 500 monthly calls.

Answer:

Eric forgot to add 2 to both sides.

Step-by-step explanation:

He forgot to add 2 to both sides so that he cancel out the -2 from the equation. Then the equation would become 2/5v=6 the you would divide those two and your answer would be  1/15.

Answer:

sqrt(4 + (3 x) ) = 7

4 + 3 x = 49

3 x = 45

x = 15

Answer:

x = -11

Step-by-step explanation:

First, get rid of parentheses:

5 + x - 2 = -8

Then, simplify:

3 + x = -8

Finally, subtract 3 on both sides:

x = -11

Hope this helps ^^

Answer:

x = -11

Step-by-step explanation:

5+(x-2)=-8

3+x = -8

Subtract 3 from each side

3+x-3 = -8-3

x = -11

Reflexive Property=For all real number X,X=X

A number equals itself

Addition Property=For all real number X,y & Z,. if

X=Y then X+y=y+Z

Subtraction Property=For all real number X,Y And Z if X=y then X-Z=y-Z.

Answer:

the width of the path is 2.81 m

Step-by-step explanation:

given:

A circular plot of diameter 28m is surrounded by a path of uniform width

If the area of the path is 346.5^2

find:

the width of the path.

​---------------------------------

dia of circle = 28m

let Si = side of inner square path = 28 m

let So = outer side of square path = ?

1st step

is to get the total area

At = area of path + area of inner square

At = 346.5 + (28 x 28)

At = 1130 m²

2nd step

get the outer side of square path So

At = So²

1130 = So²

So = √1130

So = 33.62 m

lastly solve the width of path:

Width (w) = (So - Si)/2

w = (33.62 m - 28 m) / 2

w = 2.81 m

therefore,

the width of the path is 2.81 m

Answer:

y-intercept and slope

Step-by-step explanation:

When we graph a line using slope and y-intercept, the first point that you graph is  y-intercept.

What is Mathematical equation ?

By definition, an equation is a mathematical statement made up of two expressions linked by an equal sign. In other words the equation represents the graph between x and y that is for each value of x there exist one value of y.

So, When we graph a line using slope and y-intercept, the first point that you graph is  y-intercept.

Let, consider the equation of y = mx+c, where, m is the slope of line and c is the y - intercepts. So to draw the graph firstly we find the two points to connect the line in which first is y-intercepts by putting x=0 in the given equation.

Therefore, When we graph a line using slope and y-intercept, the first point that you graph is y-intercept.

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Answer:

Ellen will need 65 beads to make one jewelry set

Step-by-step explanation:

Answer:

equality

Step-by-step explanation:

Answer: 1000050000000

Answer:

1 X 10^12 + 5 X 10^7

$10000050000000

Step-by-step explanation:

Answer:

0.000406x

Step-by-step explanation:

Answer:

15:20 and 40:60

Step-by-step explanation:

When simplified completely they both are equal to 2/3

Your answer is 6170.

So, we have the equation..

[tex]6.17*1,000[/tex]

Multiply 6.17 by 1,00 and you get [tex]6170[/tex].

Answer:

C.

Step-by-step explanation:

To find:

Which of the following options is an equation.

Solution:

A mathematics or algebraic statement which represents that the values of two mathematical expressions are equal, is called an equation.

In option A,

[tex]5-4=9[/tex]

[tex]1\neq 9[/tex]

LHS≠RHS. So, it is not an equation.

In option B and C,

[tex]5+4=9[/tex]

[tex]9=9[/tex]

LHS=RHS. Both are equations.

In option D,

[tex]5+4-9[/tex]

This is an expression, not an equations.

Therefore, the correct options are B and C.

Answer:

Step-by-step explanation:

(2-2)/(10-8)= 0/2 = 0 is the slope

y - 2 = 0(x - 8)

y - 2 = 0

y = 2

Answer:

[tex]m=158[/tex]

Step-by-step explanation:

Angles on a straight line add up to 180 degrees.

Hence,

[tex](m-29)+51=180[/tex]

Remove brackets:

[tex]m-29+51=180[/tex]

[tex]m+22=180[/tex]

Subtract 22 from both sides:

[tex]m+22-22=180-22[/tex]

[tex]m=158[/tex]

Answer:

[tex]\displaystyle 158 = m[/tex]

Step-by-step explanation:

Both angles form a linear pair, making them supplementary angles. This means you set both expressions equivalent to one hundred eighty degrees:

[tex]\displaystyle 180° = 51° + [m - 29]° \hookrightarrow 180° = [m + 22]° \\ \\ \boxed{158 = m}[/tex]

I am joyous to assist you at any time.

Answer: yes, because it is a straight line and is on the origin and goes through the origin so it is a proportional relationship

hoped this helped let me know if it did

The answer should be 10p - 4.

An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.

Now the given expression is,

3p + 5 + 7p - 9

To solve this taking alike terms together.

3p + 7p + 5 - 9

Thus, we have

Variables = 3p + 7p = 10p

Constants =  5 - 9 = -4

Thus, the expression becomes,

3p + 5 + 7p - 9 = 10p - 4

So, this is the required answer of the given expression.

Thus, the answer should be 10p - 4.

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He bring $12 to the movie.

Algebra is the branch of mathematics that helps in the representation of problems or situations in the form of mathematical expressions. It involves variables like x, y, z, and mathematical operations like addition, subtraction, multiplication, and division to form a meaningful mathematical expression. All the branches of mathematics such as trigonometry, calculus, coordinate geometry, involve the use of algebra. One simple example of an expression in algebra is 2x + 4 = 8.

Given:

let the total money be x

1/2 of the money on the ticket

=1/2 x

1/3 of the money on snacks

=1/3 x

total he spent= $10

1/2 x + 1/3 x = $10

5/6 x= 10

x= 10* 6/5

x = 12

Hence. he bring $12 to the movie.

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Answer: The answer is 8.5

Step-by-step explanation:

The value of the number expression 56.1 ÷ 6.6 is 8.5 after using the concept of arithmetic operation the answer is 8.5.

It is defined as the operation in which we do the addition of numbers, subtraction, multiplication, and division. It has a basic four operators that is +, -, ×, and ÷.

It is given that:

56.1 divided by 6.6 (ones)

As we know from the arithmetic operation, the operation in which we do

the addition of numbers, subtraction, multiplication, and division.

= 56.1 ÷ 6.6

= 8.5

A number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers.

Thus, the value of the number expression 56.1 ÷ 6.6 is 8.5 after using the concept of arithmetic operation the answer is 8.5.

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Answer:

21

Step-by-step explanation:

i did it on a calculator

hope this helps

Answer:

21

Step-by-step explanation:

Can i be brainliest

Answer:(4,-1)

Step-by-step explanation:

Answer:

1,4

Step-by-step explanation:

Answer:  $27.35  

Step-by-step explanation:

First let's  find the variables.We will use x to represent the number of subscription sold and y we will represent the amount of money you will get paid.

So we know that , if you sell One You will get $1.25  so we could represent it by the point  (1,1.25) .

Now the second statement says that if you sell an additional subscription you will get an additional 15 cents or $0.15.Which means if you sell the second subscription, you will get  $1.40  because it is an additional 15 cents. We can also represent that by the point (2,1.40)  

Now using the two points come up with an equation.  

(1,1.25)

(2,1.40)    Find the slope and y intercept.

TO find the slope find the difference between y and divide it by the difference in x.

1.25 - 1.40 = 0.15

1 - 2  =   1  

0.15/ 1 =  0.15  So the slope is 0.15

Now use the point to find the y intercept. using the y-intercept formula,  

y = mx + b  

1.25 = 0.15(1) + b

1.25 =  0.15 + b

-0.15     0.15

 b = 1.1  

We can now write the equation  y = 0.15x + 1.1 to represent the whole situation where  x is still the number of subscriptions sold and y is the money you will get paid. Now to find how much you will earn for 175 subscriptions, you will input 175 for x and solve for y.

y = 0.15(175) + 1.1

y = 26.25 + 1.1

 y = 27.35

So you will earn $27.35  for 175 subscriptions

Answer:

f=1

Step-by-step explanation:

Answer: 12k+2

Step-by-step explanation:

Answer:

cube root of -215 or -5.9

Step-by-step explanation:

Since this can't be a perfect cube the answer would be cube root of -215 or you find the closest perfect cubes which would be -5 and -6

-5cubed is -125 and -6cubed is -216  and -215 is closer to -216 the number approximately would be -5.9

Hope this helps :)

The cube root of the number -215 will be 5.99i.

An integer y such that y³ = x is known as the cube root of a number x in mathematics. All nonzero complex numbers have three different complex cube roots, while all nonzero real numbers have exactly one real cube root and two complex conjugate cube roots.

Iota is a fictitious unit number represented by the letter I and its value is -1. You may have encountered circumstances where the discriminant is negative while attempting to solve quadratic equations.

Given the expression of cube root is x³ = -215.

x³ = -215

x = ∛-215

x = 5.99i

Therefore, the cube root of the number -215 will be 5.99i.

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Answer:

D

Step-by-step explanation:

Note that 3 × 4 = 4 × 3 = 12

This is called the commutative property of multiplication.

Thus

(5 + 6) × (2 + 4) = (2 + 4) × (5 + 6)

Answer:

Distance

Step-by-step explanation: