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tatiyna
3 years ago
8

Justify each step used to simplify the expression.

Mathematics
1 answer:
stepladder [879]3 years ago
8 0
Get photomath :) it'll give you the answer automatically.
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Zeke read z books over the summer. Michelle read twice as many books over the summer as Zeke. Tay read 3 more books over the sum
Vikki [24]

Answer: 4z + 3

Step-by-step explanation:

Number of books read by Zeke = z

Michelle read twice as many book as Zeke. This will be: = 2 × z = 2z

Tay read 3 more books than Zeke. This will be: = z + 3

The expression that represents the total number of books read over the summer by Zeke, Michelle and Tay would be the addition of the books read by each person. This will be:

= z + 2z + z + 3

= 4z + 3

6 0
3 years ago
Help ASAP I need a answer please
lesya [120]

Answer:

The common difference is 10, so the function is f(n + 1) = f(n) + 10 where f(1) = 14.

Step-by-step explanation:

14 , 24 , 34 , 44 , 54

The common difference(d) is 24 - 14 = 10 , 34 - 24 = 10 , 44 - 34 = 10 , 54 - 44 = 10

f(n + 1) = f(n) + 10 where f(1) = 14.

6 0
3 years ago
PLS HURRY ILL GIVE BRAINLIEST<br> Which graph of ordered pairs shows a proportional relationship?
sp2606 [1]

Answer:

pretty sure is the first one

Step-by-step explanation:

a proportional relationship is a straight line that passes through the origin

8 0
3 years ago
Read 2 more answers
What best explains whether a triangle with side links 5 cm 13 cm and 12 cm is a right triangle
Lostsunrise [7]

Step-by-step explanation:

Pythagoras Theorem

If the sum of the squares of the smaller two sides is equal to the square if the third side then it is a right triangle

{a}^{2}  +  {b}^{2}  =  {c}^{2}

So, (5)^2 + (12)^2

is 25 + 144 = 169

Which is equal to (13)^2 which is also 169

The sides of the given triangle follows pythagoras theorem, therefore it is a right triangle

Hope it helps:)

4 0
3 years ago
Read 2 more answers
The variables A, B, and C represent polynomials where A = x + 1, B = x2 + 2x − 1, and C = 2x. What is AB + C in simplest form? x
mylen [45]

Answer:

If you would like to write a * b + c in simplest form, you can do this using the following steps:a = x + 1b = x^2 + 2x - 1c = 2xa * b + c = (x + 1) * (x^2 + 2x - 1) + 2x = x^3 + 2x^2 - x + x^2 + 2x - 1 + 2x = x^3 + 3x^2 + 3x - 1The correct result would be x^3 + 3x^2 + 3x - 1.

Step-by-step explanation:

3 0
3 years ago
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