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lakkis [162]
3 years ago
10

Write an equation for this linear function. f(3) = 7 and f(7) = 3

Mathematics
1 answer:
Olenka [21]3 years ago
7 0

f(x)=-x+10

well looking at the difference on the x and y coordinates, it is a difference of 4 and-4, making the slope -1. because it is next to x on the function notation you can just say -x, then insert the y and x coordinates to solve for y intercept

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1 Select the correct answer. Multiply the binomials: (3x + 4)(5x - 2) A.15x2 + 20x-8b. 15x2 + 14x-8 c. 15x2- 14x-8 D. 15x2+ 14x8
leonid [27]

Multiply the binomials:



(3x + 4)(5x - 2)

\begin{gathered} =3x(5x\text{ - 2) + 4(5x - 2)} \\ =15x^2\text{ - 6x + 20x - 8} \\ =15x^2\text{ + 14x - 8} \end{gathered}

Final answer

Option B is the final answer

3 0
1 year ago
Please answer this question now
Tema [17]

Answer:

Surface Area = 85.75 ft²

Step-by-step explanation:

Surface area of pyramid = ½(Perimeter of triangular base * slant height of pyramid) + Area of triangular base

Perimeter of triangular base = sum of all sides of the triangular base = 5+5+5 = 15 ft

Slant height of pyramid = 10 ft

Area of triangular base = ½*base of triangle*height of triangle = ½*5*4.3 = 10.75 ft²

Plug in the above values:

Surface Area = ½(15*10) + 10.75

= (15*5) + 10.75

= 75 + 10.75

Surface Area = 85.75 ft²

8 0
4 years ago
Suppose you pay $24 for a pair of shoes that has been discounted 20%. What is the original price of the shoes? Show how you iden
kozerog [31]
Since the discount is 20%, we know that $24 is 80% or 4/5 of the original price of the shoes. Divide the $24 by 20%, and you get $6. Add that to $24, and you get the original shoe price: $30. You can verify by Multiply 30 by 80%, which comes out to the discount price-$24. 
5 0
3 years ago
The rectangular box can be constructed from the pattern above. The box has a length of 8 units, a width of 2 units, and a height
adoni [48]

Answer:

72 units

Step-by-step explanation:

SA=2lw+2lh+2hw

SA=2(8x2) + 2(8x2) + 2(2x2) Note, Not distributive

SA= 2(16) + 2(16) + 2(4)

SA= 32 + 32 + 8

SA= 72

5 0
3 years ago
Read 2 more answers
kim is 10 years older than laura. laura is twice as old as melissa. if melissa will be 1o years old in 5 years, how old is kim n
Sergio039 [100]

Answer:

Kim is 20 years old

Step-by-step explanation:

We have to make equations;

Kim= laura+10 so L+10

Laura is twice as old as Melissa so Laura will be

2 X M = 2M

<h2>Melissa is 5 years old now </h2>

Input values in to the equation

<h2>2M = 2X5= 10 years old (Laura)</h2>

As Kim is 10 years older than Laura it will be 10+10

<h3>which will give the answer of 20 </h3>

7 0
4 years ago
Read 2 more answers
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