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babymother [125]
4 years ago
8

Liam had $250. Then, he and his classmates bought a present for their teacher, evenly splitting the $120 among the e of them. Ho

w much money does Liam have left? Write your answer as an expression.
Mathematics
2 answers:
Gemiola [76]4 years ago
7 0
Liam Splits $40 With The 3 Of Them Out Of $120 And Liam Has 130 Because 250-120=130
garri49 [273]4 years ago
7 0

Answer:

250-\frac{120}{e}

Step-by-step explanation:

We have been given that Liam and his classmates bought a present for their teacher, evenly splitting the $120 among the 'e' of them.

This means that number of all students is 'e'. To find the cost of present for each student, we will divide 120 by e.

\text{Cost of present for each student}=\frac{120}{e}

Since Liam had $250, so we need to subtract \frac{120}{e} from 250 to get amount Liam has left:

\text{Amount Liam has left}=250-\frac{120}{e}

Therefore, our required expression would be 250-\frac{120}{e}.

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Find all the zeros of the function y=-7x+8
alexdok [17]

The zero of the function is for x = 0. Put the value of x to the equation

y = -7x + 8:

-7x + 8 = 0        <em>subtract 8 from both sides</em>

-7x =-8       <em>divide both sides by (-7)</em>

\boxed{x=\dfrac{8}{7}}

4 0
3 years ago
(-4, 7), (-6,-4)<br><br> find the slope of the line through each pair of points
HACTEHA [7]

Answer:

slope = 11/2

Step-by-step explanation:

If you are given two points, you can find the slope using the point-slope equation. The equation looks like this:

y₁ - y₂ = m(x₁ - x₂)

In this form, "m" represents the slope, "x₁" and "y₁" represent the values from one point, and "x₂" and "y₂" represent the values from the other point. You can plug the values from the points into the equation and simplify to find the slope.

Point 1: (-4, 7)                Point 2: (-6, -4)

x₁ = -4                              x₂ = -6

y₁ = 7                               y₂ = -4

y₁ - y₂ = m(x₁ - x₂)                               <----- Point-slope form

7 - (-4) = m(-4 - (-6))                            <----- Insert values

11 = m(2)                                             <----- Simplify

11/2 = m                                             <----- Divide both sides by 2

5 0
2 years ago
Read 2 more answers
Find the midpoint between the points (1, -7) and (-5, -3).
klio [65]
The midpoint between the two points is (-6,4)
7 0
3 years ago
The cost of 3 notebooks and 2 pens is $10.45. The cost of 4 notebooks and 6 pens is $17.60.
loris [4]

Answer:

Notebooks cost $2.75 and pens cost $1.10.

He can also buy 3 notebooks.

Step-by-step explanation:

In order to find this, we need to create two equations given each of the situations.

3n + 2p = 10.45

4n + 6p = 17.60

Now to solve for n, multiply the top equation by -3 and add together.

-9n - 6p = -31.35

4n + 6p = 17.60

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

-5n = -13.75

n = 2.75

Now that we have the value of notebooks, we can find the amount for pens using either equation.

3n + 2p = 10.45

3(2.75) + 2p = 10.45

8.25 + 2p = 10.45

2p = 2.20

p = 1.10

Finally, to find the number of notebooks that he can purchase, find the cost of a notebook with 3 pens.

n + 3p

2.75 + 3(1.10)

2.75 + 3.30

6.05

Now divide 22 by that number

22/6.05 = 3.63

Since we can't have fractional notebooks, we round down to 3.

5 0
3 years ago
I need help with this
Aloiza [94]

The expression will be given as h(8) = -0.3(8-5)²+7.5 the value of the function h(8) will be 6.3 feet.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Given that:-

  • The function is h(x) = -0.3( x - 8)² +7.5

Now from the question when the boy jumped from a certain height he lands 8 feet farther away this condition will be expressed in the expression as follows:-

h(x) = -0.3( x - 8)² +7.5

Put x = 8 feet as

h(8) = -0.3(8-5)²+7.5

h(8) = -0.3 ( 3 )² + 7.5

h(8) = -2.7 + 9

h( 8 ) =  6.3 feet

Therefore expression will be given as h(8) = -0.3(8-5)²+7.5 the value of the function h(8) will be 6.3 feet.

To know more about expression follow

brainly.com/question/723406

#SPJ1

6 0
2 years ago
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